Mechanical Engineer - Labs (Foundry)
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About DoorDash
DoorDash Labs, launched in 2018, is the innovative hub of DoorDash, pioneering advancements in automation and robotics aimed at enhancing last-mile logistics. Our mission is to develop technologies that empower and enrich human networks, driving efficiency for Dashers, merchants, and consumers. With a highly experienced team comprised of industry pioneers, we have achieved over 10 billion deliveries and are committed to enhancing the next 10 billion.
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Join the dynamic team at DoorDash Labs, the forefront of innovation within DoorDash, dedicated to transforming last-mile logistics through cutting-edge automation and robotics. We are on the lookout for a passionate Senior Mechanical Engineer who will be instrumental in designing, developing, and validating mechanical systems for our advanced unmanned platforms. Ideal candidates will possess substantial experience in mechanical design, structural analysis, CAD, and rapid prototyping, with a history of delivering effective solutions in fast-paced production environments.
The OpportunityJoin Foundry Robotics, an innovative leader reshaping the landscape of manufacturing through cutting-edge robotics technology. We are dedicated to revolutionizing assembly and production processes for top-tier robotics enterprises and critical national security hardware. In essence, we are architecting robots that manufacture other robots.We are seeking a passionate Mechatronics Engineer who excels at the convergence of mechanical design, electronic systems, and control engineering. In this role, you will transform complex robotic hardware into reality through seamless integration and hands-on execution. Your responsibilities will span the entire lifecycle, from conceptual prototypes to production-ready assemblies. Collaborating closely with diverse teams, you will integrate sensors, actuators, and control systems into high-performance hardware while developing and fine-tuning closed-loop behaviors in real-time with operational machines. As part of a dynamic and agile team, your designs will swiftly transition from the drawing board to the manufacturing floor, where you will validate, troubleshoot, and enhance them.About Foundry RoboticsAt Foundry Robotics, we are redefining the future of manufacturing through advanced robotics solutions. Our mission is to revitalize the American manufacturing sector as an AI-driven, assembly-centric, dual-use contract manufacturer. We are committed to equipping manufacturers with intelligent, efficient, and versatile robotic systems that significantly enhance productivity and quality. As a pivotal member of our engineering team, your contributions will shape our products, culture, and overall success. This position is 100% on-site at our Mission District office in San Francisco.Key ResponsibilitiesDesign and develop mechanical and electromechanical systems utilizing CAD, ranging from rapid prototypes to production-intent assemblies.Collaborate effectively on the integration of sensors, actuators, and control systems within mechanical assemblies, guiding them from concept through to validation.Create and execute closed-loop control architectures for electromechanical systems, working alongside software and robotics team members.Configure and integrate motor controllers, including servo and stepper drives, encoder/resolver interfacing, and closed-loop motion tuning.Engage in hands-on work with hardware, building, assembling, testing, and iterating through prototyping and initial production phases.Support fabrication efforts across various technologies, including machining, sheet metal, welding, 3D printing, fixtures, and tooling.Collaborate with external vendors and contract manufacturers to meet development and production requirements.Make informed trade-offs between performance, cost, and manufacturability to drive successful project outcomes.
PAX Labs, Inc.
ABOUT PAX LABSAt PAX, our mission is to elevate consumer experiences through innovative products that honor the plant. For nearly 20 years, we have crafted high-performance devices designed with precision, purity, and reliability, trusted by millions globally.Our company culture prioritizes our people, collaboration, and enjoyment in the workplace. We believe that exceptional products and a fulfilling employee experience are intrinsically linked. PAX has received accolades from leading publications including The New York Times’ Wirecutter, TIME, Fast Company, GQ, and High Times, highlighting our commitment to quality and innovation. We are proud to be certified Plastic Negative by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products.ROLE OVERVIEWAs a Mechanical Engineer reporting to the Director of Mechanical Engineering, you will play a pivotal role in designing innovative components and subassemblies for our new products that are not only cost-effective but also reliable and timely. Your expertise will also extend to troubleshooting and enhancing existing products, collaborating with fellow engineers to devise solutions for complex structural, thermal, illumination, and usability challenges. Proficiency in sketching, prototyping, and familiarity with mechanical engineering principles, product development best practices, and design documentation is essential.Our products are celebrated for their aesthetic appeal, durability, and innovative technology. As a Mechanical Engineer, you will be instrumental in shaping the architecture and design of all our products, working closely with the Hardware team to realize our product vision. This role is fundamental to the future development of PAX products.KEY RESPONSIBILITIES:Engage in the design and development of mechanical product architectures, including assemblies, modules, parts, and accessories.Participate actively in decision-making processes pertaining to mechanical product design and architecture.Conduct structural, tolerance, thermal, and fluid analyses to inform design decisions.Generate detailed 3D and 2D drawings, including specifications that clearly define components and subassemblies.Collaborate with industrial designers to evaluate product details for manufacturability and propose improvements.
At Mechanize, we specialize in developing reinforcement learning (RL) environments that empower AI models to execute real-world tasks efficiently. Our mission is to drive the complete automation of the economy, providing innovative solutions to leading AI laboratories. Discover more about our work at mechanize.work.As a Senior Software Engineer at Mechanize, you will contribute to the creation of RL environments that are pivotal in the field of AI model training. Ideal candidates will have 2-5 years of software engineering experience with proficiency in Python programming. Previous experience in machine learning or AI is not a prerequisite.For insights on our interview process, visit: Interview Process at Mechanize.
At Mechanize, we are pioneering the development of Reinforcement Learning (RL) environments tailored to train AI models for real-world applications. Our ambition is to facilitate the complete automation of the economy, partnering with leading AI laboratories. Discover more at mechanize.work.As a Software Engineering Intern at Mechanize, you will play a pivotal role in assisting our team to develop these groundbreaking RL environments. If you have a solid command of Python programming and possess a keen intellect, we would love to hear from you.We are currently seeking interns for Winter 2026, Spring 2026, and Summer 2026.No prior experience in machine learning or AI is necessary.Curious about our interview process? Learn more here: https://www.mechanize.work/how-our-interview-process-works/
Join mechanize as a Senior Software Engineer, where you'll contribute to innovative software solutions that shape the future of technology. In this role, you will lead projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software products. Your expertise will drive architectural decisions and enhance our development processes.
PAX Labs, Inc.
ABOUT PAX At PAX, we are dedicated to transforming lives through outstanding consumer experiences. Our commitment to innovation, scientifically-backed quality, and award-winning design has established us as a leader in the industry for nearly two decades. Millions trust our high-performance products, which are crafted for precision, purity, and consistency. Our culture revolves around prioritizing people, making impactful contributions together, and enjoying the journey. We believe that exceptional products, a fulfilling employee experience, and robust operational rhythms are interconnected. PAX has garnered accolades for its brand, culture, and products from esteemed publications, including The New York Times’ Wirecutter, TIME, Fast Company, GQ, Gear Patrol, mg Magazine, and High Times. Furthermore, we are proud to be certified Plastic Negative across all product lines by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products. ROLE OVERVIEW As a Senior Mechanical Engineer reporting to the Director of Mechanical Engineering, you will spearhead the design of innovative, cost-effective, and reliable products that meet delivery schedules. You will also troubleshoot and enhance existing products while collaborating closely with engineering colleagues to devise optimal solutions for complex design, structural, thermal, and battery life challenges. Proficiency in sketching and prototyping new concepts, along with familiarity with engineering best practices, will be essential. You may also guide and oversee the work of junior team members. Our products are celebrated for their exquisite design, high quality, and reliability. Our Mechanical Engineers play a vital role in shaping the architecture and detailed design of all our products, working in tandem with the Hardware team to realize the product vision. This role is pivotal in leading the development of future innovations. Key Responsibilities: Collaborate with cross-functional teams to develop high-quality products that exceed customer expectations. Partner with Industrial Design to evaluate product features for manufacturability and recommend efficient processes and equipment. Lead the development of mechanical product architectures, assemblies/modules, parts, and accessories. Design detailed mechanical components, including complex assemblies and sub-systems. Conduct feasibility studies to ensure designs meet mechanical robustness, scheduling, and cost targets. Oversee both internal and external prototyping efforts. Facilitate design reviews and promote engineering best practices.
Join our dynamic team at unto-labs as a Product Engineer where you will be at the forefront of innovation. In this role, you will design, develop, and enhance our cutting-edge products while collaborating with cross-functional teams. Your contributions will directly impact the product lifecycle, from conceptualization to deployment.
About Unto LabsAt Unto Labs, we are a dedicated team of low-level engineers pushing the boundaries of distributed systems to harness the full potential of modern hardware. Our mission is to revolutionize blockchain technology, innovating from fundamental consensus mechanisms to finely-tuned networking stacks, serving applications that scale globally.About the RoleWe are on the lookout for a talented Systems Engineer to tackle the most complex challenges in distributed, high-performance computing. In this role, you will design and develop critical components of a base-layer blockchain, aiming to extract maximum performance from standard hardware. As part of our dynamic team, you will engage with the entire modern blockchain stack, including cryptography, consensus, distributed systems, and core kernels.Key ResponsibilitiesDesign robust systems ensuring effective process isolation.Develop and test high-performance subsystems from the ground up in C, with a focus on cryptography, consensus algorithms, and networking.Implement sophisticated error correction and data recovery solutions.Contribute to and enhance a suite of custom benchmarking and performance testing tools.QualificationsExtensive knowledge of systems programming languages (C, C++, Rust) with an emphasis on performance optimization.Strong understanding of contemporary CPU architectures, memory hierarchies, and low-level optimization strategies.Expertise in high-performance networking and protocol design.Familiarity with distributed systems and consensus algorithms.Why Join Us?Be at the cutting edge of blockchain technology, working on next-generation performance enhancements within a small, agile, and collaborative team.Collaborate with seasoned experts in high-frequency trading and the development of scalable ecosystems.Contribute to the architecture of a system capable of processing millions of transactions per second.Gain access to state-of-the-art hardware and development tools.Compensation and BenefitsCompetitive salary ranging from $180,000 to $250,000+ USD.Significant equity and potential for growth.A flexible working environment.
Join Us in Building a Safer Financial Future.At TRM Labs, we leverage blockchain analytics and AI technologies to empower law enforcement, national security agencies, financial institutions, and cryptocurrency enterprises in their battle against crypto-related fraud and financial crime. Our robust blockchain intelligence and AI solutions are designed to trace funds, identify illicit activities, construct cases, and provide comprehensive threat assessments. Trusted by leading global organizations, TRM Labs is dedicated to fostering a safer and more secure world.As part of our Data Platform team, you will work alongside a talented group of data scientists, engineers, and product managers to create highly available and scalable data infrastructure essential for TRM's products and services. In the role of Engineering Manager, you will spearhead the development of mission-critical systems and data services that analyze blockchain transaction activities at an unprecedented petabyte scale, contributing to a safer financial ecosystem for millions.Your Impact:Lead and mentor a dynamic team of skilled engineers, fostering a culture of technical excellence and collaboration.Provide ongoing coaching and technical guidance to your team and the broader engineering department.Assume responsibility for the quality and timely delivery of your team’s projects, ensuring optimal performance and reliability of critical services.Drive initiatives based on defined goals and measurable outcomes, aligning with key performance indicators (KPIs).Promote best practices in design and usability, developing scalable solutions accompanied by thorough documentation and knowledge sharing.Address escalations from operations and collaborate with various teams to resolve production incidents effectively.Work closely with management and product teams to strategize, estimate, and prioritize roadmap objectives, while identifying upcoming opportunities and risks.Develop highly reliable data services that integrate seamlessly with numerous blockchain protocols.Create and manage ETL pipelines that process and transform petabytes of structured and unstructured data in real time.Design efficient data models for optimal storage and retrieval, ensuring sub-second latency for querying blockchain data.Oversee the deployment and monitoring of large database clusters, ensuring high performance and availability.Collaborate cross-functionally with data scientists and backend engineers to deliver exceptional solutions.
Foundry Robotics
Founding Robotics Engineer in AI & SoftwareAre you an innovative engineer with a strong enthusiasm for robotics and AI, thriving in collaborative, cross-functional teams? Join us at Foundry Robotics, a pioneering seed-stage startup dedicated to developing advanced robotics solutions tailored for the manufacturing sector. We are seeking a Founding Engineer to become part of our core team, someone who excels in a dynamic environment, takes significant ownership, and is eager to tackle intricate mechanical and manufacturing hurdles.About UsAt Foundry Robotics, we are transforming the manufacturing landscape through state-of-the-art robotics. Our mission is to rejuvenate the American manufacturing industry with an AI-first approach, focusing on assembly and dual-use contract manufacturing. We strive to empower manufacturers with intelligent, efficient, and adaptable robotic systems that redefine productivity and quality. As a founding member of our engineering team, your contributions will have a direct and meaningful impact on our products, culture, and overall success. This position requires full-time, in-person work at our office located in the Mission District of San Francisco.The RoleIn the role of Founding Engineer, you will play a crucial part in the design, development, and deployment of AI and software infrastructure for our autonomous robotic systems. This position requires a hands-on approach, a deep understanding of computer vision and VLA models, as well as proficiency in ROS. You will be responsible for creating high-quality, high-performance software that meets the demanding requirements of a manufacturing environment.Key ResponsibilitiesDesign, develop, and implement innovative AI and software solutions for autonomous robotics in manufacturing.Lead the advancement of computer vision algorithms and VLA models to enhance robotic perception and control.Architect and construct robust, scalable, and high-performance software systems optimized for superior reliability.Leverage ROS2 (Robot Operating System) for diverse robotic applications.Collaborate closely with hardware engineers, product managers, and other stakeholders.Take full ownership of critical software components from conception through deployment.Serve as the primary technical liaison with vendors, partners, and customers, representing the company in external interactions.Contribute to the company's overall technical strategy and roadmap.
Join Pylon Labs and Shape the Future of B2B Post-Sales!At Pylon Labs, we are pioneering an all-in-one B2B post-sales support platform that leverages conversational data and advanced intelligence to empower our clients to operate seamlessly in real-time.Backed by renowned investors like a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1000 companies, including industry leaders such as Linear, Cognition (creators of Devin), Modal Labs, and Incident.io. We are also featured on the prestigious Enterprise Tech 30 List.This position requires full-time, in-person commitment; we do not offer remote or hybrid arrangements.
PAX Labs, Inc.
About PAX Labs At PAX Labs, we are dedicated to transforming the consumer experience through innovative, high-quality products that respect the plant and elevate everyday moments. For nearly two decades, we have been at the forefront of the industry, delivering products that are trusted by millions around the globe. Our ethos revolves around placing people at the heart of our operations, fostering collaboration, and ensuring a fun work environment. Recognized by various esteemed publications such as The New York Times, TIME, and Fast Company, we pride ourselves on our award-winning designs and commitment to sustainability, being certified Plastic Negative by rePurpose Global. Role Overview We are seeking a passionate and results-driven Director of Mechanical Engineering to join our dynamic team at PAX Labs. Reporting directly to the VP of Engineering, you will lead a talented group of Mechanical Engineers focused on the design, development, and continuous improvement of our hardware products. This pivotal role acts as a facilitator among various departments, including embedded systems, product integrity, sourcing, and product management, ensuring seamless collaboration to realize our vision for high-performance devices. Your leadership will be instrumental in maintaining our commitment to excellence, driving design reviews, and elevating the sophistication of our products while adhering to strict timelines. You will also be responsible for nurturing our Mechanical Engineering team, refining design processes, and implementing best practices to achieve outstanding results.
Who We AreAt Twelve Labs, we are at the forefront of innovation, developing state-of-the-art multimodal foundation models that enable video comprehension akin to human understanding. Our models have set new benchmarks in video-language modeling, unlocking more intuitive and expansive capabilities that fundamentally reshape how we engage with and analyze diverse media formats.With an impressive funding of $107 million from Seed and Series A rounds, we are proudly supported by leading venture capital firms, including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, alongside renowned AI pioneers such as Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters in San Francisco, complemented by a significant presence in the APAC region with offices in Seoul, highlights our dedication to spearheading global innovation.As a globally minded organization, we celebrate the uniqueness of each individual’s journey. The diversity in our cultural, educational, and personal experiences empowers us to continuously challenge conventional ideas. We seek passionate individuals driven by our mission, eager to make a difference as we expand the horizons of technology to transform the world. Join us in revolutionizing video understanding and multimodal AI.About the RoleThis position requires an active US Department of Defense or Intelligence Community TS/SCI clearance.We are looking for a distinguished Solutions Engineer to provide direct support to US public sector clients. In this capacity, you will serve as the essential link between Twelve Labs' advanced video understanding platform and critical government operations.You will not merely be a consultant presenting a pitch deck; instead, you will act as a technical owner responsible for delivering production solutions. You’ll analyze an agency's workflow on Monday, design a solution utilizing our video AI models by Wednesday, and deploy a working prototype by Friday.This role merges the independence of a startup engineer with the significance of aiding vital government missions. You will collaborate in small, agile teams and take full ownership of the execution of high-impact projects that serve the public interest.Candidates should be prepared to travel up to 10% annually for conferences, off-site meetings, and other business-related events as required. This position may necessitate participation in on-site interviews and/or completion of in-person onboarding processes.
Join Pylon Labs and Shape the Future of B2B Post Sales!At Pylon, we are revolutionizing B2B post-sales support with an all-inclusive platform that leverages conversational data and advanced intelligence, empowering our clients to manage their operations seamlessly in real-time.Supported by leading investors including a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1,000 companies such as Linear, Cognition (creators of Devin), and Modal Labs, who trust us to streamline their support and customer success workflows. We are also honored to be featured on the Enterprise Tech 30 List.This role is fully in-person; remote or hybrid options are not available. Your RoleEngage directly with customers while developing bespoke solutions.We seek a former Software Engineer who appreciates the power of automation—complete a task once and automate it, never to revisit it.Facilitate the migration of new customers from their legacy support systems to Pylon.Lead customer migration meetings within your first week.Serve as the primary 'problem-solver' for customers as they transition to Pylon, guiding them through the reconstruction of their processes and data.Become a product expert and assist customers in identifying the most suitable solutions, even when they may not initially understand their needs.Participate in pre-sales calls, showcasing your expertise in potential solutions.Develop proficiency not only in Pylon but also in the systems we are migrating from (e.g., Zendesk, Intercom).Manage multiple customer migrations simultaneously, ensuring timely completion.Continuously refine and enhance the migration process.RequirementsMust be located in or willing to relocate to San Francisco and eager to work on-site.Highly organized and quick to adapt; you’ll be managing multiple migrations concurrently.Detail-oriented with a strong capacity to learn rapidly; you will need to master various tools promptly.A passion for product innovation and the ability to suggest enhancements.Our BenefitsWe offer a vibrant work culture with numerous perks to enhance your experience.
Join Our Team at Pylon Labs!At Pylon, we are on a mission to redefine the B2B post-sales landscape. Our innovative all-in-one platform leverages conversational data and advanced intelligence to empower our clients to manage their operations seamlessly and in real-time.Pylon is proudly backed by top-tier investors including a16z, BCV, General Catalyst, and Y Combinator.Today, over 1000 companies, including notable names like Linear, Cognition (the team behind Devin), Modal Labs, and Incident.io, rely on Pylon for their support and customer success workflows. We are also honored to be featured on the Enterprise Tech 30 List.Our product encompasses a vast problem space, presenting numerous opportunities for impactful contributions. We are eager to bring on board several exceptionally skilled software engineers across various tech stacks.Are You the Right Fit?You prefer coding over meetings and are committed to delivering high-quality work.You possess strong engineering fundamentals, write efficient code, and understand your strengths and areas for growth.You thrive on autonomy and take ownership of your projects.You are located in San Francisco or are willing to relocate, and you value in-person collaboration to foster a vibrant company culture.Familiarity with React, Golang, GraphQL, and AWS is a plus.You will be joining a highly skilled technical team with senior engineers from respected organizations such as Samsara, Affinity, and Airbnb.Perks of Joining Pylon Comprehensive medical, dental, and vision coverage for employees. 401(k) retirement plan with company match. Commuter benefits to ease your travel. Generous parental leave. 14 company holidays and unlimited paid time off. Annual offsite retreats. Free lunch, dinner, and snacks at the office to fuel your day. Fitness stipend to support your well-being.About Pylon LabsFunding: Series B led by a16z and BCV, with a total of $51M raised.Founders: [Details about the founders].
Join Pylon Labs and Shape the Future of B2B Post Sales!At Pylon, we are on a mission to revolutionize B2B post-sales support with our all-in-one platform that leverages conversational data and advanced intelligence. Our goal is to empower our clients to manage their operations seamlessly in real-time.Backed by leading venture capital firms including a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1,000 companies, such as Linear, Cognition (Windsurf), and Modal Labs, who rely on Pylon for their support and customer success workflows. Discover more about us on the Enterprise Tech 30 List.This position is fully in-person at our San Francisco office; we do not provide remote or hybrid work options.Your RoleYou will manage the complete migration process for our clients, which encompasses translating their existing workflows, enabling their teams, and assisting with the transfer of historical data.We believe in utilizing our products ourselves; thus, you will develop strong fluency in our platform. By the end of your first week, you will be fully equipped to guide both yourself and others in using Pylon effectively.As the primary expert on Pylon implementations, you will also gain in-depth knowledge of legacy support systems such as Zendesk and Intercom that we transition customers away from.You will be the first point of contact for customer inquiries related to our product, addressing questions ranging from simple how-tos to intricate edge cases.Handle multiple customer migrations simultaneously, ensuring successful outcomes; currently, we boast zero failed migrations, and we intend to maintain this record.QualificationsMust be located in or willing to relocate to San Francisco and enthusiastic about working on-site.Highly organized, diligent, and swift; you will manage over 20 migrations concurrently.Comfortable engaging with customers via chat and video regularly.A collaborative team player; our Solutions Engineering team is small yet impactful. We thrive on collective efforts, valuing the best ideas regardless of their origin.Detail-oriented with the capacity to learn rapidly; you will need to master various tools quickly.
At Mechanize, we are on a mission to revolutionize the economy through the automation of real-world tasks. We specialize in building reinforcement learning (RL) environments designed to enhance AI models, enabling them to tackle complex challenges. Our innovative solutions are trusted by leading AI laboratories. Discover more about our work at mechanize.work.As a Junior Software Engineer at Mechanize, you will play a key role in developing RL environments that cater to the needs of the top AI labs. This position is ideal for individuals who are nearing graduation or have 0-2 years of experience in software engineering, and possess proficiency in Python programming.Prior experience in machine learning or AI is not a requirement.Curious about our interview process? Learn more about it here.
About Absentia LabsAbsentia Labs is at the forefront of innovation, creating intelligent systems that integrate artificial intelligence, biology, chemistry, and large-scale engineering. Our mission is to convert intricate scientific data into machine intelligence that can reason, generalize, and foster discovery.We tackle the challenges of fragmented, noisy, and interconnected biomedical data, transforming it into a meaningful signal through robust data foundations and well-designed learning systems that are scalable across different modalities, tasks, and uncertainties. This position emphasizes the design and training of such systems.The RoleAs a Senior AI/ML Engineer, you will spearhead the architecture, training, and deployment of large-scale machine learning models that are central to Absentia Labs’ AI initiatives. Your role will bridge model architecture, training systems, and production infrastructure, granting you significant ownership of the technical direction.This position is tailored for engineers experienced in training large models in real-world production settings, who are adept at navigating scale and can analyze both learning dynamics and system constraints.What You’ll DoDesign, train, and evaluate large-scale models, including Large Language Models (LLMs), diffusion models, and Graph Neural Networks (GNNs).Own end-to-end training pipelines, from dataset interfaces and batching strategies to distributed training and checkpointing.Make informed decisions regarding model architecture, objective functions, optimization strategies, and scaling principles.Develop and enhance distributed training systems (data parallelism, model parallelism, sharding, mixed precision).Collaborate closely with data engineers to establish ML-ready datasets and streaming interfaces.Translate vague scientific or product requirements into solid ML solutions.Lead model assessment, ablation, and iteration with a focus on generalization, stability, and reproducibility.Contribute to architectural decisions concerning model serving, inference efficiency, and lifecycle management.Provide technical leadership through design reviews, mentorship, and cross-functional collaboration.Who You AreYou are a senior ML engineer with a holistic approach to models as systems. You comfortably navigate uncertainty, make informed trade-offs between compute, data, and performance, and take ownership of outcomes from research through to deployment.
Join Pylon Labs: Pioneering B2B Post-Sales SolutionsAt Pylon, we are at the forefront of innovation, creating a comprehensive B2B post-sales support platform that harnesses conversational data and advanced intelligence. Our mission is to empower our clients to manage their operations seamlessly in real-time.With backing from renowned investors such as a16z, BCV, General Catalyst, and Y Combinator, we are proud to support over 1,000 companies, including Linear, Cognition (creators of Devin), Modal Labs, and Incident.io, in streamlining their customer success workflows with our platform. We are also honored to be featured on the Enterprise Tech 30 List.Your Role and ResponsibilitiesDevelop and integrate security features within the product such as audit logging, RBAC, SCIM, SAML, and more.Oversee security review processes, including SOC 2, ISO 27001, HIPAA compliance, and bug bounty programs.Act as the security expert in pre- and post-sales discussions.Facilitate rapid development while ensuring robust security measures are upheld.Lead projects from customer requests through design to deployment.Who You AreYou have experience in building or shipping security features.You have contributed to security and compliance initiatives in a startup or dynamic environment.You are adept at engaging with customers and clarifying technical decisions.You excel when given autonomy, taking ownership of projects, and managing your own tasks.You are located in San Francisco or are open to relocating, enjoy in-person collaboration, and are committed to fostering a positive workplace culture.You are proficient in technologies such as React, Golang, GraphQL, and AWS.You will be joining a skilled technical team of senior engineers from prestigious companies like Samsara, Affinity, and Airbnb.Perks of Working with Us Comprehensive medical, dental, and vision coverage for employees 401(k) retirement savings plan Commuter benefits Generous parental leave 14 company holidays plus unlimited PTO Annual team offsite
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Join the dynamic team at DoorDash Labs, the forefront of innovation within DoorDash, dedicated to transforming last-mile logistics through cutting-edge automation and robotics. We are on the lookout for a passionate Senior Mechanical Engineer who will be instrumental in designing, developing, and validating mechanical systems for our advanced unmanned platforms. Ideal candidates will possess substantial experience in mechanical design, structural analysis, CAD, and rapid prototyping, with a history of delivering effective solutions in fast-paced production environments.
The OpportunityJoin Foundry Robotics, an innovative leader reshaping the landscape of manufacturing through cutting-edge robotics technology. We are dedicated to revolutionizing assembly and production processes for top-tier robotics enterprises and critical national security hardware. In essence, we are architecting robots that manufacture other robots.We are seeking a passionate Mechatronics Engineer who excels at the convergence of mechanical design, electronic systems, and control engineering. In this role, you will transform complex robotic hardware into reality through seamless integration and hands-on execution. Your responsibilities will span the entire lifecycle, from conceptual prototypes to production-ready assemblies. Collaborating closely with diverse teams, you will integrate sensors, actuators, and control systems into high-performance hardware while developing and fine-tuning closed-loop behaviors in real-time with operational machines. As part of a dynamic and agile team, your designs will swiftly transition from the drawing board to the manufacturing floor, where you will validate, troubleshoot, and enhance them.About Foundry RoboticsAt Foundry Robotics, we are redefining the future of manufacturing through advanced robotics solutions. Our mission is to revitalize the American manufacturing sector as an AI-driven, assembly-centric, dual-use contract manufacturer. We are committed to equipping manufacturers with intelligent, efficient, and versatile robotic systems that significantly enhance productivity and quality. As a pivotal member of our engineering team, your contributions will shape our products, culture, and overall success. This position is 100% on-site at our Mission District office in San Francisco.Key ResponsibilitiesDesign and develop mechanical and electromechanical systems utilizing CAD, ranging from rapid prototypes to production-intent assemblies.Collaborate effectively on the integration of sensors, actuators, and control systems within mechanical assemblies, guiding them from concept through to validation.Create and execute closed-loop control architectures for electromechanical systems, working alongside software and robotics team members.Configure and integrate motor controllers, including servo and stepper drives, encoder/resolver interfacing, and closed-loop motion tuning.Engage in hands-on work with hardware, building, assembling, testing, and iterating through prototyping and initial production phases.Support fabrication efforts across various technologies, including machining, sheet metal, welding, 3D printing, fixtures, and tooling.Collaborate with external vendors and contract manufacturers to meet development and production requirements.Make informed trade-offs between performance, cost, and manufacturability to drive successful project outcomes.
PAX Labs, Inc.
ABOUT PAX LABSAt PAX, our mission is to elevate consumer experiences through innovative products that honor the plant. For nearly 20 years, we have crafted high-performance devices designed with precision, purity, and reliability, trusted by millions globally.Our company culture prioritizes our people, collaboration, and enjoyment in the workplace. We believe that exceptional products and a fulfilling employee experience are intrinsically linked. PAX has received accolades from leading publications including The New York Times’ Wirecutter, TIME, Fast Company, GQ, and High Times, highlighting our commitment to quality and innovation. We are proud to be certified Plastic Negative by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products.ROLE OVERVIEWAs a Mechanical Engineer reporting to the Director of Mechanical Engineering, you will play a pivotal role in designing innovative components and subassemblies for our new products that are not only cost-effective but also reliable and timely. Your expertise will also extend to troubleshooting and enhancing existing products, collaborating with fellow engineers to devise solutions for complex structural, thermal, illumination, and usability challenges. Proficiency in sketching, prototyping, and familiarity with mechanical engineering principles, product development best practices, and design documentation is essential.Our products are celebrated for their aesthetic appeal, durability, and innovative technology. As a Mechanical Engineer, you will be instrumental in shaping the architecture and design of all our products, working closely with the Hardware team to realize our product vision. This role is fundamental to the future development of PAX products.KEY RESPONSIBILITIES:Engage in the design and development of mechanical product architectures, including assemblies, modules, parts, and accessories.Participate actively in decision-making processes pertaining to mechanical product design and architecture.Conduct structural, tolerance, thermal, and fluid analyses to inform design decisions.Generate detailed 3D and 2D drawings, including specifications that clearly define components and subassemblies.Collaborate with industrial designers to evaluate product details for manufacturability and propose improvements.
At Mechanize, we specialize in developing reinforcement learning (RL) environments that empower AI models to execute real-world tasks efficiently. Our mission is to drive the complete automation of the economy, providing innovative solutions to leading AI laboratories. Discover more about our work at mechanize.work.As a Senior Software Engineer at Mechanize, you will contribute to the creation of RL environments that are pivotal in the field of AI model training. Ideal candidates will have 2-5 years of software engineering experience with proficiency in Python programming. Previous experience in machine learning or AI is not a prerequisite.For insights on our interview process, visit: Interview Process at Mechanize.
At Mechanize, we are pioneering the development of Reinforcement Learning (RL) environments tailored to train AI models for real-world applications. Our ambition is to facilitate the complete automation of the economy, partnering with leading AI laboratories. Discover more at mechanize.work.As a Software Engineering Intern at Mechanize, you will play a pivotal role in assisting our team to develop these groundbreaking RL environments. If you have a solid command of Python programming and possess a keen intellect, we would love to hear from you.We are currently seeking interns for Winter 2026, Spring 2026, and Summer 2026.No prior experience in machine learning or AI is necessary.Curious about our interview process? Learn more here: https://www.mechanize.work/how-our-interview-process-works/
Join mechanize as a Senior Software Engineer, where you'll contribute to innovative software solutions that shape the future of technology. In this role, you will lead projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software products. Your expertise will drive architectural decisions and enhance our development processes.
PAX Labs, Inc.
ABOUT PAX At PAX, we are dedicated to transforming lives through outstanding consumer experiences. Our commitment to innovation, scientifically-backed quality, and award-winning design has established us as a leader in the industry for nearly two decades. Millions trust our high-performance products, which are crafted for precision, purity, and consistency. Our culture revolves around prioritizing people, making impactful contributions together, and enjoying the journey. We believe that exceptional products, a fulfilling employee experience, and robust operational rhythms are interconnected. PAX has garnered accolades for its brand, culture, and products from esteemed publications, including The New York Times’ Wirecutter, TIME, Fast Company, GQ, Gear Patrol, mg Magazine, and High Times. Furthermore, we are proud to be certified Plastic Negative across all product lines by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products. ROLE OVERVIEW As a Senior Mechanical Engineer reporting to the Director of Mechanical Engineering, you will spearhead the design of innovative, cost-effective, and reliable products that meet delivery schedules. You will also troubleshoot and enhance existing products while collaborating closely with engineering colleagues to devise optimal solutions for complex design, structural, thermal, and battery life challenges. Proficiency in sketching and prototyping new concepts, along with familiarity with engineering best practices, will be essential. You may also guide and oversee the work of junior team members. Our products are celebrated for their exquisite design, high quality, and reliability. Our Mechanical Engineers play a vital role in shaping the architecture and detailed design of all our products, working in tandem with the Hardware team to realize the product vision. This role is pivotal in leading the development of future innovations. Key Responsibilities: Collaborate with cross-functional teams to develop high-quality products that exceed customer expectations. Partner with Industrial Design to evaluate product features for manufacturability and recommend efficient processes and equipment. Lead the development of mechanical product architectures, assemblies/modules, parts, and accessories. Design detailed mechanical components, including complex assemblies and sub-systems. Conduct feasibility studies to ensure designs meet mechanical robustness, scheduling, and cost targets. Oversee both internal and external prototyping efforts. Facilitate design reviews and promote engineering best practices.
Join our dynamic team at unto-labs as a Product Engineer where you will be at the forefront of innovation. In this role, you will design, develop, and enhance our cutting-edge products while collaborating with cross-functional teams. Your contributions will directly impact the product lifecycle, from conceptualization to deployment.
About Unto LabsAt Unto Labs, we are a dedicated team of low-level engineers pushing the boundaries of distributed systems to harness the full potential of modern hardware. Our mission is to revolutionize blockchain technology, innovating from fundamental consensus mechanisms to finely-tuned networking stacks, serving applications that scale globally.About the RoleWe are on the lookout for a talented Systems Engineer to tackle the most complex challenges in distributed, high-performance computing. In this role, you will design and develop critical components of a base-layer blockchain, aiming to extract maximum performance from standard hardware. As part of our dynamic team, you will engage with the entire modern blockchain stack, including cryptography, consensus, distributed systems, and core kernels.Key ResponsibilitiesDesign robust systems ensuring effective process isolation.Develop and test high-performance subsystems from the ground up in C, with a focus on cryptography, consensus algorithms, and networking.Implement sophisticated error correction and data recovery solutions.Contribute to and enhance a suite of custom benchmarking and performance testing tools.QualificationsExtensive knowledge of systems programming languages (C, C++, Rust) with an emphasis on performance optimization.Strong understanding of contemporary CPU architectures, memory hierarchies, and low-level optimization strategies.Expertise in high-performance networking and protocol design.Familiarity with distributed systems and consensus algorithms.Why Join Us?Be at the cutting edge of blockchain technology, working on next-generation performance enhancements within a small, agile, and collaborative team.Collaborate with seasoned experts in high-frequency trading and the development of scalable ecosystems.Contribute to the architecture of a system capable of processing millions of transactions per second.Gain access to state-of-the-art hardware and development tools.Compensation and BenefitsCompetitive salary ranging from $180,000 to $250,000+ USD.Significant equity and potential for growth.A flexible working environment.
Join Us in Building a Safer Financial Future.At TRM Labs, we leverage blockchain analytics and AI technologies to empower law enforcement, national security agencies, financial institutions, and cryptocurrency enterprises in their battle against crypto-related fraud and financial crime. Our robust blockchain intelligence and AI solutions are designed to trace funds, identify illicit activities, construct cases, and provide comprehensive threat assessments. Trusted by leading global organizations, TRM Labs is dedicated to fostering a safer and more secure world.As part of our Data Platform team, you will work alongside a talented group of data scientists, engineers, and product managers to create highly available and scalable data infrastructure essential for TRM's products and services. In the role of Engineering Manager, you will spearhead the development of mission-critical systems and data services that analyze blockchain transaction activities at an unprecedented petabyte scale, contributing to a safer financial ecosystem for millions.Your Impact:Lead and mentor a dynamic team of skilled engineers, fostering a culture of technical excellence and collaboration.Provide ongoing coaching and technical guidance to your team and the broader engineering department.Assume responsibility for the quality and timely delivery of your team’s projects, ensuring optimal performance and reliability of critical services.Drive initiatives based on defined goals and measurable outcomes, aligning with key performance indicators (KPIs).Promote best practices in design and usability, developing scalable solutions accompanied by thorough documentation and knowledge sharing.Address escalations from operations and collaborate with various teams to resolve production incidents effectively.Work closely with management and product teams to strategize, estimate, and prioritize roadmap objectives, while identifying upcoming opportunities and risks.Develop highly reliable data services that integrate seamlessly with numerous blockchain protocols.Create and manage ETL pipelines that process and transform petabytes of structured and unstructured data in real time.Design efficient data models for optimal storage and retrieval, ensuring sub-second latency for querying blockchain data.Oversee the deployment and monitoring of large database clusters, ensuring high performance and availability.Collaborate cross-functionally with data scientists and backend engineers to deliver exceptional solutions.
Foundry Robotics
Founding Robotics Engineer in AI & SoftwareAre you an innovative engineer with a strong enthusiasm for robotics and AI, thriving in collaborative, cross-functional teams? Join us at Foundry Robotics, a pioneering seed-stage startup dedicated to developing advanced robotics solutions tailored for the manufacturing sector. We are seeking a Founding Engineer to become part of our core team, someone who excels in a dynamic environment, takes significant ownership, and is eager to tackle intricate mechanical and manufacturing hurdles.About UsAt Foundry Robotics, we are transforming the manufacturing landscape through state-of-the-art robotics. Our mission is to rejuvenate the American manufacturing industry with an AI-first approach, focusing on assembly and dual-use contract manufacturing. We strive to empower manufacturers with intelligent, efficient, and adaptable robotic systems that redefine productivity and quality. As a founding member of our engineering team, your contributions will have a direct and meaningful impact on our products, culture, and overall success. This position requires full-time, in-person work at our office located in the Mission District of San Francisco.The RoleIn the role of Founding Engineer, you will play a crucial part in the design, development, and deployment of AI and software infrastructure for our autonomous robotic systems. This position requires a hands-on approach, a deep understanding of computer vision and VLA models, as well as proficiency in ROS. You will be responsible for creating high-quality, high-performance software that meets the demanding requirements of a manufacturing environment.Key ResponsibilitiesDesign, develop, and implement innovative AI and software solutions for autonomous robotics in manufacturing.Lead the advancement of computer vision algorithms and VLA models to enhance robotic perception and control.Architect and construct robust, scalable, and high-performance software systems optimized for superior reliability.Leverage ROS2 (Robot Operating System) for diverse robotic applications.Collaborate closely with hardware engineers, product managers, and other stakeholders.Take full ownership of critical software components from conception through deployment.Serve as the primary technical liaison with vendors, partners, and customers, representing the company in external interactions.Contribute to the company's overall technical strategy and roadmap.
Join Pylon Labs and Shape the Future of B2B Post-Sales!At Pylon Labs, we are pioneering an all-in-one B2B post-sales support platform that leverages conversational data and advanced intelligence to empower our clients to operate seamlessly in real-time.Backed by renowned investors like a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1000 companies, including industry leaders such as Linear, Cognition (creators of Devin), Modal Labs, and Incident.io. We are also featured on the prestigious Enterprise Tech 30 List.This position requires full-time, in-person commitment; we do not offer remote or hybrid arrangements.
PAX Labs, Inc.
About PAX Labs At PAX Labs, we are dedicated to transforming the consumer experience through innovative, high-quality products that respect the plant and elevate everyday moments. For nearly two decades, we have been at the forefront of the industry, delivering products that are trusted by millions around the globe. Our ethos revolves around placing people at the heart of our operations, fostering collaboration, and ensuring a fun work environment. Recognized by various esteemed publications such as The New York Times, TIME, and Fast Company, we pride ourselves on our award-winning designs and commitment to sustainability, being certified Plastic Negative by rePurpose Global. Role Overview We are seeking a passionate and results-driven Director of Mechanical Engineering to join our dynamic team at PAX Labs. Reporting directly to the VP of Engineering, you will lead a talented group of Mechanical Engineers focused on the design, development, and continuous improvement of our hardware products. This pivotal role acts as a facilitator among various departments, including embedded systems, product integrity, sourcing, and product management, ensuring seamless collaboration to realize our vision for high-performance devices. Your leadership will be instrumental in maintaining our commitment to excellence, driving design reviews, and elevating the sophistication of our products while adhering to strict timelines. You will also be responsible for nurturing our Mechanical Engineering team, refining design processes, and implementing best practices to achieve outstanding results.
Who We AreAt Twelve Labs, we are at the forefront of innovation, developing state-of-the-art multimodal foundation models that enable video comprehension akin to human understanding. Our models have set new benchmarks in video-language modeling, unlocking more intuitive and expansive capabilities that fundamentally reshape how we engage with and analyze diverse media formats.With an impressive funding of $107 million from Seed and Series A rounds, we are proudly supported by leading venture capital firms, including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, alongside renowned AI pioneers such as Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters in San Francisco, complemented by a significant presence in the APAC region with offices in Seoul, highlights our dedication to spearheading global innovation.As a globally minded organization, we celebrate the uniqueness of each individual’s journey. The diversity in our cultural, educational, and personal experiences empowers us to continuously challenge conventional ideas. We seek passionate individuals driven by our mission, eager to make a difference as we expand the horizons of technology to transform the world. Join us in revolutionizing video understanding and multimodal AI.About the RoleThis position requires an active US Department of Defense or Intelligence Community TS/SCI clearance.We are looking for a distinguished Solutions Engineer to provide direct support to US public sector clients. In this capacity, you will serve as the essential link between Twelve Labs' advanced video understanding platform and critical government operations.You will not merely be a consultant presenting a pitch deck; instead, you will act as a technical owner responsible for delivering production solutions. You’ll analyze an agency's workflow on Monday, design a solution utilizing our video AI models by Wednesday, and deploy a working prototype by Friday.This role merges the independence of a startup engineer with the significance of aiding vital government missions. You will collaborate in small, agile teams and take full ownership of the execution of high-impact projects that serve the public interest.Candidates should be prepared to travel up to 10% annually for conferences, off-site meetings, and other business-related events as required. This position may necessitate participation in on-site interviews and/or completion of in-person onboarding processes.
Join Pylon Labs and Shape the Future of B2B Post Sales!At Pylon, we are revolutionizing B2B post-sales support with an all-inclusive platform that leverages conversational data and advanced intelligence, empowering our clients to manage their operations seamlessly in real-time.Supported by leading investors including a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1,000 companies such as Linear, Cognition (creators of Devin), and Modal Labs, who trust us to streamline their support and customer success workflows. We are also honored to be featured on the Enterprise Tech 30 List.This role is fully in-person; remote or hybrid options are not available. Your RoleEngage directly with customers while developing bespoke solutions.We seek a former Software Engineer who appreciates the power of automation—complete a task once and automate it, never to revisit it.Facilitate the migration of new customers from their legacy support systems to Pylon.Lead customer migration meetings within your first week.Serve as the primary 'problem-solver' for customers as they transition to Pylon, guiding them through the reconstruction of their processes and data.Become a product expert and assist customers in identifying the most suitable solutions, even when they may not initially understand their needs.Participate in pre-sales calls, showcasing your expertise in potential solutions.Develop proficiency not only in Pylon but also in the systems we are migrating from (e.g., Zendesk, Intercom).Manage multiple customer migrations simultaneously, ensuring timely completion.Continuously refine and enhance the migration process.RequirementsMust be located in or willing to relocate to San Francisco and eager to work on-site.Highly organized and quick to adapt; you’ll be managing multiple migrations concurrently.Detail-oriented with a strong capacity to learn rapidly; you will need to master various tools promptly.A passion for product innovation and the ability to suggest enhancements.Our BenefitsWe offer a vibrant work culture with numerous perks to enhance your experience.
Join Our Team at Pylon Labs!At Pylon, we are on a mission to redefine the B2B post-sales landscape. Our innovative all-in-one platform leverages conversational data and advanced intelligence to empower our clients to manage their operations seamlessly and in real-time.Pylon is proudly backed by top-tier investors including a16z, BCV, General Catalyst, and Y Combinator.Today, over 1000 companies, including notable names like Linear, Cognition (the team behind Devin), Modal Labs, and Incident.io, rely on Pylon for their support and customer success workflows. We are also honored to be featured on the Enterprise Tech 30 List.Our product encompasses a vast problem space, presenting numerous opportunities for impactful contributions. We are eager to bring on board several exceptionally skilled software engineers across various tech stacks.Are You the Right Fit?You prefer coding over meetings and are committed to delivering high-quality work.You possess strong engineering fundamentals, write efficient code, and understand your strengths and areas for growth.You thrive on autonomy and take ownership of your projects.You are located in San Francisco or are willing to relocate, and you value in-person collaboration to foster a vibrant company culture.Familiarity with React, Golang, GraphQL, and AWS is a plus.You will be joining a highly skilled technical team with senior engineers from respected organizations such as Samsara, Affinity, and Airbnb.Perks of Joining Pylon Comprehensive medical, dental, and vision coverage for employees. 401(k) retirement plan with company match. Commuter benefits to ease your travel. Generous parental leave. 14 company holidays and unlimited paid time off. Annual offsite retreats. Free lunch, dinner, and snacks at the office to fuel your day. Fitness stipend to support your well-being.About Pylon LabsFunding: Series B led by a16z and BCV, with a total of $51M raised.Founders: [Details about the founders].
Join Pylon Labs and Shape the Future of B2B Post Sales!At Pylon, we are on a mission to revolutionize B2B post-sales support with our all-in-one platform that leverages conversational data and advanced intelligence. Our goal is to empower our clients to manage their operations seamlessly in real-time.Backed by leading venture capital firms including a16z, BCV, General Catalyst, and Y Combinator, we proudly serve over 1,000 companies, such as Linear, Cognition (Windsurf), and Modal Labs, who rely on Pylon for their support and customer success workflows. Discover more about us on the Enterprise Tech 30 List.This position is fully in-person at our San Francisco office; we do not provide remote or hybrid work options.Your RoleYou will manage the complete migration process for our clients, which encompasses translating their existing workflows, enabling their teams, and assisting with the transfer of historical data.We believe in utilizing our products ourselves; thus, you will develop strong fluency in our platform. By the end of your first week, you will be fully equipped to guide both yourself and others in using Pylon effectively.As the primary expert on Pylon implementations, you will also gain in-depth knowledge of legacy support systems such as Zendesk and Intercom that we transition customers away from.You will be the first point of contact for customer inquiries related to our product, addressing questions ranging from simple how-tos to intricate edge cases.Handle multiple customer migrations simultaneously, ensuring successful outcomes; currently, we boast zero failed migrations, and we intend to maintain this record.QualificationsMust be located in or willing to relocate to San Francisco and enthusiastic about working on-site.Highly organized, diligent, and swift; you will manage over 20 migrations concurrently.Comfortable engaging with customers via chat and video regularly.A collaborative team player; our Solutions Engineering team is small yet impactful. We thrive on collective efforts, valuing the best ideas regardless of their origin.Detail-oriented with the capacity to learn rapidly; you will need to master various tools quickly.
At Mechanize, we are on a mission to revolutionize the economy through the automation of real-world tasks. We specialize in building reinforcement learning (RL) environments designed to enhance AI models, enabling them to tackle complex challenges. Our innovative solutions are trusted by leading AI laboratories. Discover more about our work at mechanize.work.As a Junior Software Engineer at Mechanize, you will play a key role in developing RL environments that cater to the needs of the top AI labs. This position is ideal for individuals who are nearing graduation or have 0-2 years of experience in software engineering, and possess proficiency in Python programming.Prior experience in machine learning or AI is not a requirement.Curious about our interview process? Learn more about it here.
About Absentia LabsAbsentia Labs is at the forefront of innovation, creating intelligent systems that integrate artificial intelligence, biology, chemistry, and large-scale engineering. Our mission is to convert intricate scientific data into machine intelligence that can reason, generalize, and foster discovery.We tackle the challenges of fragmented, noisy, and interconnected biomedical data, transforming it into a meaningful signal through robust data foundations and well-designed learning systems that are scalable across different modalities, tasks, and uncertainties. This position emphasizes the design and training of such systems.The RoleAs a Senior AI/ML Engineer, you will spearhead the architecture, training, and deployment of large-scale machine learning models that are central to Absentia Labs’ AI initiatives. Your role will bridge model architecture, training systems, and production infrastructure, granting you significant ownership of the technical direction.This position is tailored for engineers experienced in training large models in real-world production settings, who are adept at navigating scale and can analyze both learning dynamics and system constraints.What You’ll DoDesign, train, and evaluate large-scale models, including Large Language Models (LLMs), diffusion models, and Graph Neural Networks (GNNs).Own end-to-end training pipelines, from dataset interfaces and batching strategies to distributed training and checkpointing.Make informed decisions regarding model architecture, objective functions, optimization strategies, and scaling principles.Develop and enhance distributed training systems (data parallelism, model parallelism, sharding, mixed precision).Collaborate closely with data engineers to establish ML-ready datasets and streaming interfaces.Translate vague scientific or product requirements into solid ML solutions.Lead model assessment, ablation, and iteration with a focus on generalization, stability, and reproducibility.Contribute to architectural decisions concerning model serving, inference efficiency, and lifecycle management.Provide technical leadership through design reviews, mentorship, and cross-functional collaboration.Who You AreYou are a senior ML engineer with a holistic approach to models as systems. You comfortably navigate uncertainty, make informed trade-offs between compute, data, and performance, and take ownership of outcomes from research through to deployment.
Join Pylon Labs: Pioneering B2B Post-Sales SolutionsAt Pylon, we are at the forefront of innovation, creating a comprehensive B2B post-sales support platform that harnesses conversational data and advanced intelligence. Our mission is to empower our clients to manage their operations seamlessly in real-time.With backing from renowned investors such as a16z, BCV, General Catalyst, and Y Combinator, we are proud to support over 1,000 companies, including Linear, Cognition (creators of Devin), Modal Labs, and Incident.io, in streamlining their customer success workflows with our platform. We are also honored to be featured on the Enterprise Tech 30 List.Your Role and ResponsibilitiesDevelop and integrate security features within the product such as audit logging, RBAC, SCIM, SAML, and more.Oversee security review processes, including SOC 2, ISO 27001, HIPAA compliance, and bug bounty programs.Act as the security expert in pre- and post-sales discussions.Facilitate rapid development while ensuring robust security measures are upheld.Lead projects from customer requests through design to deployment.Who You AreYou have experience in building or shipping security features.You have contributed to security and compliance initiatives in a startup or dynamic environment.You are adept at engaging with customers and clarifying technical decisions.You excel when given autonomy, taking ownership of projects, and managing your own tasks.You are located in San Francisco or are open to relocating, enjoy in-person collaboration, and are committed to fostering a positive workplace culture.You are proficient in technologies such as React, Golang, GraphQL, and AWS.You will be joining a skilled technical team of senior engineers from prestigious companies like Samsara, Affinity, and Airbnb.Perks of Working with Us Comprehensive medical, dental, and vision coverage for employees 401(k) retirement savings plan Commuter benefits Generous parental leave 14 company holidays plus unlimited PTO Annual team offsite
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