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Experience Level
Senior
Qualifications
Proven experience in systems engineering and architecture. Strong understanding of cloud infrastructure and serverless technologies. Expertise in programming languages such as Python, Go, or Java. Excellent problem-solving skills and the ability to work in a fast-paced environment. Effective communication skills, both written and verbal.
About the job
Join Cloudflare as a Senior Systems Engineer specializing in Workers AI, where you will play a pivotal role in shaping the future of serverless computing. You will collaborate with cross-functional teams to design, implement, and optimize systems that empower developers worldwide.
In this dynamic position, your expertise will be critical in enhancing the performance and reliability of our services. We are looking for an innovative thinker with a passion for technology and a strong background in systems engineering.
About Cloudflare, Inc.
Cloudflare, Inc. is a leading internet security and performance company, committed to building a better internet. Our mission is to help organizations securely connect to their customers and to protect and accelerate their online presence. Join us and be part of a team that values innovation, collaboration, and excellence.
Join Cloudflare as a Senior Systems Engineer specializing in Workers AI, where you will play a pivotal role in shaping the future of serverless computing. You will collaborate with cross-functional teams to design, implement, and optimize systems that empower developers worldwide.In this dynamic position, your expertise will be critical in enhancing the performance and reliability of our services. We are looking for an innovative thinker with a passion for technology and a strong background in systems engineering.
Join our dynamic team at Cloudflare as a Senior/Principal Systems Engineer specializing in Workers AI (AI/ML). In this pivotal role, you will leverage your expertise in artificial intelligence and machine learning to develop cutting-edge solutions that enhance our platform's capabilities. You will collaborate with cross-functional teams to drive innovation and improve our systems, ensuring we remain at the forefront of technology.
Join Cloudflare, a leading internet security and performance company, as a Systems Engineer focused on Workers Authoring and Testing. In this dynamic role, you will be instrumental in developing and maintaining our innovative serverless platform. Your expertise will help enhance our engineering practices and ensure seamless integration of worker scripts into our deployment pipeline.
Join Saris AI as an AI Systems Engineer, where you will play a pivotal role in designing and implementing innovative solutions that leverage artificial intelligence technologies. You will collaborate closely with cross-functional teams to develop AI systems that enhance our products and services, driving impactful results for our clients.
About GranicaGranica is an innovative AI research and infrastructure firm dedicated to creating reliable and steerable representations of enterprise data.We build trust through our product Crunch, a policy-driven health layer that ensures large tabular datasets remain efficient, reliable, and reversible. On this solid foundation, we are developing Large Tabular Models—systems designed to learn cross-column and relational structures in order to provide trustworthy answers and automation with inherent provenance and governance.Our MissionAI is currently hampered not only by the design of models but also by the inefficiencies of the data that supports them. Every redundant byte, poorly organized dataset, and inefficient data pathway contributes to significant costs, latency, and energy waste as we scale.Granica aims to eliminate these inefficiencies. We merge cutting-edge research in information theory, probabilistic modeling, and distributed systems to craft self-optimizing data infrastructures: systems that consistently enhance the representation and utilization of information by AI.Our engineering team collaborates closely with the Granica Research group led by Prof. Andrea Montanari of Stanford University, bridging advancements in information theory and learning efficiency with large-scale distributed systems. Together, we firmly believe that the next major advancement in AI will stem from breakthroughs in efficient systems rather than merely larger models.Your ContributionsGlobal Metadata Substrate: Design a transactional and metadata substrate that facilitates time-travel, schema evolution, and atomic consistency across massive petabyte-scale tabular datasets.Adaptive Engines: Develop systems that autonomously reorganize data, learning from access patterns and workloads to maintain peak efficiency without the need for manual tuning.Intelligent Data Layouts: Optimize bit-level organization (including encoding, compression, and layout) to maximize signal extraction per byte read.Autonomous Compute Pipelines: Create distributed compute systems that scale predictably, adapt to dynamic loads, and ensure reliability under failure conditions.Research to Production: Apply new algorithms in compression, representation, and optimization that emerge from ongoing research. We encourage opportunities to publish and open-source your work.Latency as Intelligence: Design systems that inherently minimize latency as a measure of intelligence.
Full-time|$139K/yr - $204K/yr|On-site|Livingston, NJ / New York, NY / Sunnyvale, CA / San Francisco, CA / Bellevue, WA
CoreWeave is The Essential Cloud for AI™. Designed by innovators for innovators, CoreWeave provides a robust platform of advanced technology and exceptional teams, empowering organizations to confidently build and scale AI solutions. As a trusted partner for leading AI labs, startups, and global enterprises, CoreWeave integrates unmatched infrastructure performance with extensive technical expertise, driving innovation and transforming compute capabilities into actionable results. Since its inception in 2017, CoreWeave has rapidly advanced, becoming a publicly traded company (Nasdaq: CRWV) in March 2025. Explore more at www.coreweave.com.What You’ll Do:Description of the TeamThe IT Business Systems (GTM) team at CoreWeave is responsible for the application stack that facilitates the entire customer journey—from lead generation to quoting and cash collection. This team designs and manages systems that underpin a rapidly growing AI cloud business, collaborating closely with Revenue Operations, Marketing Operations, Finance, Billing, and Customer Experience to deliver scalable, compliant, and automated workflows.About the role:As a Senior Salesforce Engineer, you will take on a pivotal role as a hands-on technical leader, tasked with designing, building, and operating Salesforce solutions across Sales Cloud, Revenue Cloud/CPQ, and GTM integrations. You will tackle high-impact projects including post-acquisition system integrations, the implementation of a new usage-based billing platform, and enhancements within quoting, forecasting, and revenue operations. This role demands deep expertise in CPQ workflows while also overseeing broader platform architecture and integrations with finance and GTM systems. You will work cross-functionally with GTM, Finance, and IT leadership to create scalable, dependable solutions that position CoreWeave for continued success.
The Role Are you a skilled software engineer with a proven track record in building and refining production systems? Are you eager to apply your expertise at the forefront of AI technology? If so, this opportunity may be perfect for you. As a Senior Software Engineer on our Natural Language Understanding team within the “agent lab,” you will be pivotal in our mission to enhance the capabilities of AI agents for reliable, scalable performance. You will have the chance to influence the evolution of the Moveworks AI Assistant platform in several key areas: agent orchestration, sandboxed file systems, latency optimization, and multimodal I/O, among others. You will leverage the best tools in enterprise AI, including cutting-edge LLMs from top providers like OpenAI. Our team prioritizes rapid innovation on scalable infrastructure while tackling challenging product and engineering obstacles to deliver exceptional value to our clients. If you are looking to achieve the pinnacle of your career alongside a passionate, dedicated team focused on making an impact, we invite you to connect with us.
About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) is a premier online personal styling service that empowers individuals to discover and embrace their unique styles. By expertly blending skilled stylists with cutting-edge AI and recommendation algorithms, we curate an exceptional selection of both exclusive and national brands, tailored to meet each client's distinct tastes and preferences. Founded in 2011 and headquartered in San Francisco, Stitch Fix revolutionizes the way people shop, making it effortless for clients to express their personal style without the hassle of navigating through endless options in stores or online.About the TeamThe Business Systems team serves as the strategic technology and data partner for our core operations. We design and maintain the technological framework that supports our Finance, Procurement, Merchandising, and HR/People and Culture functions. By collaborating directly with business leaders, we create, implement, and enhance scalable systems while transforming our business data into a strategic asset. Our team is responsible for building and managing data engineering pipelines, analytics dashboards, and next-generation automation and Gen AI solutions that provide critical insights and empower leaders to make informed, data-driven decisions.About the RoleWe are on the lookout for a strategic Senior Engineering Manager to lead our Business Systems Data & Insights team, focusing on pivotal domains including Finance (Accounting, FP&A), Merchandising, Procurement, and HR/People & Culture. This high-impact role will allow you to shape how Stitch Fix utilizes data and AI to drive essential business decisions and influence company strategy. You will spearhead our data and AI transformation by constructing scalable data infrastructure, enhancing analytics capabilities, implementing intelligent automation, and accelerating the adoption of Gen AI across these critical business functions.
About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/
C1 stands at the forefront of cybersecurity, offering the first AI-native identity security platform designed to safeguard all identities—human, non-human, and AI. Our innovative solution leverages powerful automation, platform-level AI, and seamless connectors to centralize access visibility, enforce granular controls, enable just-in-time access, and automate user access reviews across a plethora of applications. Trusted by leading enterprises such as DigitalOcean, Instacart, Ramp, and Zscaler, our platform is user-friendly, quick to deploy, and highly effective.The RoleWe are in search of a Senior IT Systems Engineer who is passionate about resolving complex challenges and possesses an unquenchable curiosity for AI technologies. This individual will be pivotal in maintaining and enhancing our internal technology stack, which encompasses endpoint management, SaaS administration, and infrastructure automation. As the primary technology resource at C1, you will manage everything from strategic platform choices to hands-on troubleshooting, ensuring our fast-paced organization continues to thrive.This is not your conventional IT role. You will be encouraged to explore the limits of AI-driven tools, automation, and contemporary IT practices. If you are someone who eagerly prototypes new AI workflow tools by Monday after reading about them over the weekend, you will find your place here.Your Responsibilities• Own the IT stack end-to-end: Oversee and enhance our SaaS ecosystem (including Google Workspace, Okta, Slack, Zoom, Jira/Linear, GitHub, etc.), endpoint fleet (macOS-focused), and networking/security infrastructure.• Be the fixer: Diagnose and resolve a wide range of workplace technology issues—from access challenges and hardware malfunctions to intricate integration problems. No challenge is too small or too complex.• Automate relentlessly: Develop scripts, workflows, and integrations to eliminate manual tasks. Utilize AI tools and LLMs to optimize IT operations, ticket management, onboarding/offboarding, and daily support.• Drive AI adoption internally: Assess, pilot, and deploy AI-driven tools to enhance productivity across the organization. Advocate for responsible AI implementation and contribute to shaping our internal AI policies and best practices.• Manage identity and access: Administer identity providers, SSO, MFA, and access governance—utilizing C1’s own platform to manage access throughout our environment.• Scale for growth: Design and implement IT processes, policies, and infrastructure that grow alongside the company as we expand from approximately 100 employees and beyond.
Join Waabi, a pioneering leader in Physical AI, founded by renowned AI expert Raquel Urtasun. We are at the forefront of transforming the future of autonomous transportation, leveraging advanced technologies that drive commercial autonomous trucks and robotaxis. Our esteemed partnerships with industry leaders in AI, automotive, logistics, and deep tech fuel our mission.With expanding offices in Toronto, San Francisco, Dallas, and Pittsburgh, Waabi is on an exciting growth trajectory. We seek diverse, innovative, and collaborative individuals eager to make a positive impact in the world. Discover more at: www.waabi.aiOur commitment to safety is unwavering. We are searching for a dedicated and skilled safety or systems engineer to lead the development and execution of vital safety framework methodologies that guide our driverless autonomy readiness. This is a remarkable opportunity to influence how Waabi quantitatively guarantees and validates the safety of our autonomous trucking solutions, utilizing our sophisticated simulator, real-world data, and innovative generative AI techniques. You will be integral in creating robust evidence for safe operations and spearheading initiatives in this dynamic and groundbreaking sector.Key Responsibilities:- Scale and manage safety framework methodologies by establishing requirements for automated assessment workflows and collaborating with the autonomy and algorithms teams to implement and troubleshoot the evaluation infrastructure.- Develop and monitor quantitative metrics to assess system performance against defined safety targets.- Enhance test coverage within Waabi’s high-fidelity simulator to validate driving behaviors in safety-critical scenarios.- Define and refine human performance benchmarks to support comprehensive comparative safety assessments.- Identify safety gaps and ensure traceability between requirements, validation artifacts, and safety case claims.- Maintain thorough documentation of safety artifacts and readiness decisions to ensure rigorous transparency and traceability.- Mentor colleagues to promote technical excellence and facilitate effective cross-functional collaboration.Qualifications:- A Bachelor's degree in an engineering discipline is required; Master’s or PhD is preferred.- Proven experience in safety engineering or systems engineering.- Strong analytical skills and experience with quantitative analysis.
Join Cloudflare as a Senior Software Engineer specializing in Workers Runtime. In this dynamic role, you will be instrumental in developing and enhancing our serverless platform, enabling developers worldwide to build and deploy applications seamlessly. You will leverage your expertise in programming languages, cloud technologies, and software architecture to craft innovative solutions that power the next generation of applications.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. You will work closely with cross-functional teams to deliver high-quality software and contribute to Cloudflare's mission of building a better internet.
Full-time|$240K/yr - $280K/yr|Hybrid|San Francisco, California
About SentryAt Sentry, we are committed to transforming the way developers build software. With a mission to eradicate poor software experiences, we empower developers to create better applications more efficiently, ensuring a seamless encounter with technology.Backed by over $217 million in funding and trusted by more than 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are at the forefront of performance monitoring and error tracking solutions. Our innovative tools enable companies to focus on product development rather than bug fixes.We embrace a hybrid work environment across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office collaboration days to foster meaningful team interactions. If you are passionate about creating solutions that enhance the digital experience, join us in developing the next wave of software monitoring tools.About the RoleAs a Senior Software Engineer on Sentry’s AI/ML team, you will play a pivotal role in constructing the evaluation infrastructure that assesses the accuracy, reliability, and performance of our AI systems in real-world scenarios. This position is essential for ensuring that our debugging agents and AI-driven features operate correctly, safely, and predictably as they scale. You will design datasets, benchmarks, and test harnesses that convert vague AI behavior into quantifiable metrics, enabling the team to deploy AI solutions with confidence.In This Role You WillDevelop and implement robust evaluation frameworks to assess accuracy, reliability, regressions, and edge cases within AI systems.Generate and manage high-quality datasets, golden test cases, and benchmarks based on real production data.Create automated test harnesses and metrics pipelines to continuously evaluate models, prompts, and workflows.Collaborate closely with applied AI engineers and product leaders to establish clear definitions of success and translate them into measurable criteria.Oversee the evaluation lifecycle for significant AI projects, from initial experimentation to ongoing production monitoring.You'll Love This Job If YouHave a strong commitment to accuracy, rigor, and measurement in AI systems.Enjoy transforming ambiguous product objectives and model behaviors into precise tests and metrics.Take pleasure in building foundational infrastructure that facilitates rapid iteration and boosts team confidence.Thrive in collaborative environments and relish the opportunity to influence model design through effective evaluation.
About Sage CareSage Care is an innovative healthcare startup that is rapidly gaining traction, founded by industry leaders from Apple, Uber, and Carbon Health, and supported by esteemed venture capital firms including General Catalyst and Chelsea Clinton. Our mission is to revolutionize healthcare by streamlining care navigation and ensuring that patients have swift access to the right medical professionals.Our cutting-edge platform not only enables patients to easily connect with the appropriate doctors but also allows providers to focus on patients who require their services the most. By leveraging the latest advancements in AI, we are committed to delivering exceptional care and enhancing economic outcomes on a large scale.Following successful partnerships with health systems across the United States, we are excited to announce our expansion into the MENA region, where we are collaborating with local health systems to deploy our AI-driven care navigation solutions.About the RoleWe are seeking a talented and product-oriented AI Engineer to join our team and enhance Sage Care’s AI Voice platform. In this hands-on role, you will engage with real customer-facing systems, contributing to the development of features, troubleshooting issues from live interactions, and optimizing the performance of our voice agents in a practical setting.Your collaboration with seasoned engineers and product teams will be crucial in delivering high-quality voice experiences that benefit both patients and healthcare providers.Key ResponsibilitiesDevelop and implement features for AI-driven voice interactionsTroubleshoot and resolve issues arising from actual calls to enhance system functionalityWork with technologies including transcription, LLMs, and APIsImprove latency, reliability, and overall conversation qualityContribute to the testing, monitoring, and observability processesCollaborate closely with product teams to refine user experienceQualificationsRequired2–3 years of experience in software engineeringProficiency in programming languages, with a preference for PythonExperience in building backend systems or APIsA product-focused mindset that prioritizes user experience and outcomesA willingness to learn and thrive in a dynamic environmentA comfort with ambiguity and strong problem-solving skillsPreferredFamiliarity with AI technologies and voice systems
Full-time|$200K/yr - $280K/yr|On-site|San Francisco Office
About UnifyUnify is revolutionizing the way revenue teams operate by developing the first AI-powered system of action. Our mission is to transform outbound strategies into a robust growth engine, ensuring that go-to-market execution is observable, repeatable, and scalable. Established in 2023 by industry leaders from Ramp and Scale AI, our talented team boasts backgrounds from renowned companies like Airbnb, Meta, Waymo, and Perplexity.In 2024, Unify achieved an impressive 8x revenue growth and serves a diverse clientele including Perplexity, Cursor, SoFi, and Justworks. We are a dynamic team fueled by high energy and intensity, having secured $58M in funding from leading investors such as Thrive, Emergence, and OpenAI. Join us in shaping the future of GTM!About the Role:As a Senior Software Engineer specializing in AI at Unify, you will be at the forefront of innovation, developing new AI products and enhancing our AI platform. Your work will encompass agents, retrieval systems, classification, fine-tuning, reinforcement learning, and LLM inference infrastructure. If you are passionate about creating production-ready AI systems and wish to contribute to cutting-edge applications used by premier GTM teams, this role is for you.
The RoleAre you a seasoned software engineer with a passion for innovation in production systems? If you're eager to leverage your expertise in the dynamic field of AI agents, this position is tailored for you.As a key member of our Natural Language Understanding team within the 'agent lab', you will contribute significantly to our mission: pushing the boundaries of what agents can achieve reliably at scale. Your work will enhance the Moveworks AI Assistant platform across various domains, including agent orchestration, sandboxed execution environments, latency reduction, agent memory management, LLM self-reflection, execution environment simulation, enterprise knowledge integration, and multimodal input/output.Equipped with cutting-edge enterprise AI tools, including top-tier LLMs from providers like OpenAI, you'll be part of a fast-paced team focused on scalable infrastructure and solving complex engineering challenges to deliver exceptional value to our customers. If you are ready to make a significant impact alongside a dedicated and driven team, we invite you to explore this opportunity with us.
Join Retell AIAt Retell AI, we leverage first principles to revolutionize the call center experience through innovative voice AI technology.In just 18 months since our launch, our AI voice agents have been adopted by thousands of companies to manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by Y Combinator, Alt Capital, and other notable investors, we've achieved impressive growth, scaling from $5M to $36M ARR with a dedicated team of 20.Looking ahead to 2026, we aim to create a comprehensive AI-powered Customer Experience (CX) platform that transforms entire contact centers. Instead of simple automation requiring ongoing human oversight, we are developing intelligent AI "workers" that serve as frontline agents, QA analysts, and managers — perpetually executing, monitoring, and enhancing customer interactions.We're experiencing rapid growth and are on the lookout for passionate innovators eager to tackle complex technical challenges, accelerate progress, and make a significant impact at one of the leading voice AI startups.Let’s build the future together.Ranked in the top 50 AI applications by a16z: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors list for 2025: https://www.brex.com/journal/brex-benchmark-december-2025One of the top startups on: https://leanaileaderboard.com/
Responsibilities:Develop Our Product. Take ownership of software features that enhance our AI platform, empowering private market investors to analyze deals swiftly and accurately. This role requires you to actively engage in coding and delivering essential platform components from the ground up.Ensure Quality and Excellence. Establish and maintain coding standards, architectural guidelines, and review procedures; mentor fellow engineers. Co-cultivate a culture centered on practical, reliable, and test-driven development that swiftly meets business requirements.Scale for Growth. Assist in monitoring and scaling the architecture of our platform and its infrastructure.Collaborate Across Functions. Engage closely with product, security, and go-to-market teams to translate our strategic roadmap into actionable features and deliverables.
Join Affinity as a Senior AI Engineer and contribute to our cutting-edge AI platform. We are seeking a talented engineer passionate about artificial intelligence and its applications in real-world scenarios. In this role, you will collaborate with cross-functional teams to design, develop, and enhance AI solutions that drive our business forward.
Join the Revolution at Retell AIRetell AI is pioneering the future of call centers through innovative voice AI, driven by first principles thinking.In just 18 months since our inception, we have empowered thousands of businesses with our AI voice agents, transforming how sales, support, and logistics calls are managed—previously requiring extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we've rapidly scaled from $5M ARR to an impressive $36M ARR with a compact yet dynamic team of 20.Our ambition for 2026 is to create a revolutionary customer experience platform, where entire contact centers are powered by AI. Moving beyond basic automation, we aim to develop intelligent AI “workers” that serve as frontline agents, QA analysts, and managers, continuously enhancing customer interactions without the need for constant human oversight.As we expand, we are seeking passionate engineers who are eager to solve challenging technical problems, act swiftly, and make a significant impact in one of the fastest-growing voice AI startups. Let’s shape the future together.
Join Cloudflare as a Senior Systems Engineer specializing in Workers AI, where you will play a pivotal role in shaping the future of serverless computing. You will collaborate with cross-functional teams to design, implement, and optimize systems that empower developers worldwide.In this dynamic position, your expertise will be critical in enhancing the performance and reliability of our services. We are looking for an innovative thinker with a passion for technology and a strong background in systems engineering.
Join our dynamic team at Cloudflare as a Senior/Principal Systems Engineer specializing in Workers AI (AI/ML). In this pivotal role, you will leverage your expertise in artificial intelligence and machine learning to develop cutting-edge solutions that enhance our platform's capabilities. You will collaborate with cross-functional teams to drive innovation and improve our systems, ensuring we remain at the forefront of technology.
Join Cloudflare, a leading internet security and performance company, as a Systems Engineer focused on Workers Authoring and Testing. In this dynamic role, you will be instrumental in developing and maintaining our innovative serverless platform. Your expertise will help enhance our engineering practices and ensure seamless integration of worker scripts into our deployment pipeline.
Join Saris AI as an AI Systems Engineer, where you will play a pivotal role in designing and implementing innovative solutions that leverage artificial intelligence technologies. You will collaborate closely with cross-functional teams to develop AI systems that enhance our products and services, driving impactful results for our clients.
About GranicaGranica is an innovative AI research and infrastructure firm dedicated to creating reliable and steerable representations of enterprise data.We build trust through our product Crunch, a policy-driven health layer that ensures large tabular datasets remain efficient, reliable, and reversible. On this solid foundation, we are developing Large Tabular Models—systems designed to learn cross-column and relational structures in order to provide trustworthy answers and automation with inherent provenance and governance.Our MissionAI is currently hampered not only by the design of models but also by the inefficiencies of the data that supports them. Every redundant byte, poorly organized dataset, and inefficient data pathway contributes to significant costs, latency, and energy waste as we scale.Granica aims to eliminate these inefficiencies. We merge cutting-edge research in information theory, probabilistic modeling, and distributed systems to craft self-optimizing data infrastructures: systems that consistently enhance the representation and utilization of information by AI.Our engineering team collaborates closely with the Granica Research group led by Prof. Andrea Montanari of Stanford University, bridging advancements in information theory and learning efficiency with large-scale distributed systems. Together, we firmly believe that the next major advancement in AI will stem from breakthroughs in efficient systems rather than merely larger models.Your ContributionsGlobal Metadata Substrate: Design a transactional and metadata substrate that facilitates time-travel, schema evolution, and atomic consistency across massive petabyte-scale tabular datasets.Adaptive Engines: Develop systems that autonomously reorganize data, learning from access patterns and workloads to maintain peak efficiency without the need for manual tuning.Intelligent Data Layouts: Optimize bit-level organization (including encoding, compression, and layout) to maximize signal extraction per byte read.Autonomous Compute Pipelines: Create distributed compute systems that scale predictably, adapt to dynamic loads, and ensure reliability under failure conditions.Research to Production: Apply new algorithms in compression, representation, and optimization that emerge from ongoing research. We encourage opportunities to publish and open-source your work.Latency as Intelligence: Design systems that inherently minimize latency as a measure of intelligence.
Full-time|$139K/yr - $204K/yr|On-site|Livingston, NJ / New York, NY / Sunnyvale, CA / San Francisco, CA / Bellevue, WA
CoreWeave is The Essential Cloud for AI™. Designed by innovators for innovators, CoreWeave provides a robust platform of advanced technology and exceptional teams, empowering organizations to confidently build and scale AI solutions. As a trusted partner for leading AI labs, startups, and global enterprises, CoreWeave integrates unmatched infrastructure performance with extensive technical expertise, driving innovation and transforming compute capabilities into actionable results. Since its inception in 2017, CoreWeave has rapidly advanced, becoming a publicly traded company (Nasdaq: CRWV) in March 2025. Explore more at www.coreweave.com.What You’ll Do:Description of the TeamThe IT Business Systems (GTM) team at CoreWeave is responsible for the application stack that facilitates the entire customer journey—from lead generation to quoting and cash collection. This team designs and manages systems that underpin a rapidly growing AI cloud business, collaborating closely with Revenue Operations, Marketing Operations, Finance, Billing, and Customer Experience to deliver scalable, compliant, and automated workflows.About the role:As a Senior Salesforce Engineer, you will take on a pivotal role as a hands-on technical leader, tasked with designing, building, and operating Salesforce solutions across Sales Cloud, Revenue Cloud/CPQ, and GTM integrations. You will tackle high-impact projects including post-acquisition system integrations, the implementation of a new usage-based billing platform, and enhancements within quoting, forecasting, and revenue operations. This role demands deep expertise in CPQ workflows while also overseeing broader platform architecture and integrations with finance and GTM systems. You will work cross-functionally with GTM, Finance, and IT leadership to create scalable, dependable solutions that position CoreWeave for continued success.
The Role Are you a skilled software engineer with a proven track record in building and refining production systems? Are you eager to apply your expertise at the forefront of AI technology? If so, this opportunity may be perfect for you. As a Senior Software Engineer on our Natural Language Understanding team within the “agent lab,” you will be pivotal in our mission to enhance the capabilities of AI agents for reliable, scalable performance. You will have the chance to influence the evolution of the Moveworks AI Assistant platform in several key areas: agent orchestration, sandboxed file systems, latency optimization, and multimodal I/O, among others. You will leverage the best tools in enterprise AI, including cutting-edge LLMs from top providers like OpenAI. Our team prioritizes rapid innovation on scalable infrastructure while tackling challenging product and engineering obstacles to deliver exceptional value to our clients. If you are looking to achieve the pinnacle of your career alongside a passionate, dedicated team focused on making an impact, we invite you to connect with us.
About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) is a premier online personal styling service that empowers individuals to discover and embrace their unique styles. By expertly blending skilled stylists with cutting-edge AI and recommendation algorithms, we curate an exceptional selection of both exclusive and national brands, tailored to meet each client's distinct tastes and preferences. Founded in 2011 and headquartered in San Francisco, Stitch Fix revolutionizes the way people shop, making it effortless for clients to express their personal style without the hassle of navigating through endless options in stores or online.About the TeamThe Business Systems team serves as the strategic technology and data partner for our core operations. We design and maintain the technological framework that supports our Finance, Procurement, Merchandising, and HR/People and Culture functions. By collaborating directly with business leaders, we create, implement, and enhance scalable systems while transforming our business data into a strategic asset. Our team is responsible for building and managing data engineering pipelines, analytics dashboards, and next-generation automation and Gen AI solutions that provide critical insights and empower leaders to make informed, data-driven decisions.About the RoleWe are on the lookout for a strategic Senior Engineering Manager to lead our Business Systems Data & Insights team, focusing on pivotal domains including Finance (Accounting, FP&A), Merchandising, Procurement, and HR/People & Culture. This high-impact role will allow you to shape how Stitch Fix utilizes data and AI to drive essential business decisions and influence company strategy. You will spearhead our data and AI transformation by constructing scalable data infrastructure, enhancing analytics capabilities, implementing intelligent automation, and accelerating the adoption of Gen AI across these critical business functions.
About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/
C1 stands at the forefront of cybersecurity, offering the first AI-native identity security platform designed to safeguard all identities—human, non-human, and AI. Our innovative solution leverages powerful automation, platform-level AI, and seamless connectors to centralize access visibility, enforce granular controls, enable just-in-time access, and automate user access reviews across a plethora of applications. Trusted by leading enterprises such as DigitalOcean, Instacart, Ramp, and Zscaler, our platform is user-friendly, quick to deploy, and highly effective.The RoleWe are in search of a Senior IT Systems Engineer who is passionate about resolving complex challenges and possesses an unquenchable curiosity for AI technologies. This individual will be pivotal in maintaining and enhancing our internal technology stack, which encompasses endpoint management, SaaS administration, and infrastructure automation. As the primary technology resource at C1, you will manage everything from strategic platform choices to hands-on troubleshooting, ensuring our fast-paced organization continues to thrive.This is not your conventional IT role. You will be encouraged to explore the limits of AI-driven tools, automation, and contemporary IT practices. If you are someone who eagerly prototypes new AI workflow tools by Monday after reading about them over the weekend, you will find your place here.Your Responsibilities• Own the IT stack end-to-end: Oversee and enhance our SaaS ecosystem (including Google Workspace, Okta, Slack, Zoom, Jira/Linear, GitHub, etc.), endpoint fleet (macOS-focused), and networking/security infrastructure.• Be the fixer: Diagnose and resolve a wide range of workplace technology issues—from access challenges and hardware malfunctions to intricate integration problems. No challenge is too small or too complex.• Automate relentlessly: Develop scripts, workflows, and integrations to eliminate manual tasks. Utilize AI tools and LLMs to optimize IT operations, ticket management, onboarding/offboarding, and daily support.• Drive AI adoption internally: Assess, pilot, and deploy AI-driven tools to enhance productivity across the organization. Advocate for responsible AI implementation and contribute to shaping our internal AI policies and best practices.• Manage identity and access: Administer identity providers, SSO, MFA, and access governance—utilizing C1’s own platform to manage access throughout our environment.• Scale for growth: Design and implement IT processes, policies, and infrastructure that grow alongside the company as we expand from approximately 100 employees and beyond.
Join Waabi, a pioneering leader in Physical AI, founded by renowned AI expert Raquel Urtasun. We are at the forefront of transforming the future of autonomous transportation, leveraging advanced technologies that drive commercial autonomous trucks and robotaxis. Our esteemed partnerships with industry leaders in AI, automotive, logistics, and deep tech fuel our mission.With expanding offices in Toronto, San Francisco, Dallas, and Pittsburgh, Waabi is on an exciting growth trajectory. We seek diverse, innovative, and collaborative individuals eager to make a positive impact in the world. Discover more at: www.waabi.aiOur commitment to safety is unwavering. We are searching for a dedicated and skilled safety or systems engineer to lead the development and execution of vital safety framework methodologies that guide our driverless autonomy readiness. This is a remarkable opportunity to influence how Waabi quantitatively guarantees and validates the safety of our autonomous trucking solutions, utilizing our sophisticated simulator, real-world data, and innovative generative AI techniques. You will be integral in creating robust evidence for safe operations and spearheading initiatives in this dynamic and groundbreaking sector.Key Responsibilities:- Scale and manage safety framework methodologies by establishing requirements for automated assessment workflows and collaborating with the autonomy and algorithms teams to implement and troubleshoot the evaluation infrastructure.- Develop and monitor quantitative metrics to assess system performance against defined safety targets.- Enhance test coverage within Waabi’s high-fidelity simulator to validate driving behaviors in safety-critical scenarios.- Define and refine human performance benchmarks to support comprehensive comparative safety assessments.- Identify safety gaps and ensure traceability between requirements, validation artifacts, and safety case claims.- Maintain thorough documentation of safety artifacts and readiness decisions to ensure rigorous transparency and traceability.- Mentor colleagues to promote technical excellence and facilitate effective cross-functional collaboration.Qualifications:- A Bachelor's degree in an engineering discipline is required; Master’s or PhD is preferred.- Proven experience in safety engineering or systems engineering.- Strong analytical skills and experience with quantitative analysis.
Join Cloudflare as a Senior Software Engineer specializing in Workers Runtime. In this dynamic role, you will be instrumental in developing and enhancing our serverless platform, enabling developers worldwide to build and deploy applications seamlessly. You will leverage your expertise in programming languages, cloud technologies, and software architecture to craft innovative solutions that power the next generation of applications.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. You will work closely with cross-functional teams to deliver high-quality software and contribute to Cloudflare's mission of building a better internet.
Full-time|$240K/yr - $280K/yr|Hybrid|San Francisco, California
About SentryAt Sentry, we are committed to transforming the way developers build software. With a mission to eradicate poor software experiences, we empower developers to create better applications more efficiently, ensuring a seamless encounter with technology.Backed by over $217 million in funding and trusted by more than 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are at the forefront of performance monitoring and error tracking solutions. Our innovative tools enable companies to focus on product development rather than bug fixes.We embrace a hybrid work environment across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office collaboration days to foster meaningful team interactions. If you are passionate about creating solutions that enhance the digital experience, join us in developing the next wave of software monitoring tools.About the RoleAs a Senior Software Engineer on Sentry’s AI/ML team, you will play a pivotal role in constructing the evaluation infrastructure that assesses the accuracy, reliability, and performance of our AI systems in real-world scenarios. This position is essential for ensuring that our debugging agents and AI-driven features operate correctly, safely, and predictably as they scale. You will design datasets, benchmarks, and test harnesses that convert vague AI behavior into quantifiable metrics, enabling the team to deploy AI solutions with confidence.In This Role You WillDevelop and implement robust evaluation frameworks to assess accuracy, reliability, regressions, and edge cases within AI systems.Generate and manage high-quality datasets, golden test cases, and benchmarks based on real production data.Create automated test harnesses and metrics pipelines to continuously evaluate models, prompts, and workflows.Collaborate closely with applied AI engineers and product leaders to establish clear definitions of success and translate them into measurable criteria.Oversee the evaluation lifecycle for significant AI projects, from initial experimentation to ongoing production monitoring.You'll Love This Job If YouHave a strong commitment to accuracy, rigor, and measurement in AI systems.Enjoy transforming ambiguous product objectives and model behaviors into precise tests and metrics.Take pleasure in building foundational infrastructure that facilitates rapid iteration and boosts team confidence.Thrive in collaborative environments and relish the opportunity to influence model design through effective evaluation.
About Sage CareSage Care is an innovative healthcare startup that is rapidly gaining traction, founded by industry leaders from Apple, Uber, and Carbon Health, and supported by esteemed venture capital firms including General Catalyst and Chelsea Clinton. Our mission is to revolutionize healthcare by streamlining care navigation and ensuring that patients have swift access to the right medical professionals.Our cutting-edge platform not only enables patients to easily connect with the appropriate doctors but also allows providers to focus on patients who require their services the most. By leveraging the latest advancements in AI, we are committed to delivering exceptional care and enhancing economic outcomes on a large scale.Following successful partnerships with health systems across the United States, we are excited to announce our expansion into the MENA region, where we are collaborating with local health systems to deploy our AI-driven care navigation solutions.About the RoleWe are seeking a talented and product-oriented AI Engineer to join our team and enhance Sage Care’s AI Voice platform. In this hands-on role, you will engage with real customer-facing systems, contributing to the development of features, troubleshooting issues from live interactions, and optimizing the performance of our voice agents in a practical setting.Your collaboration with seasoned engineers and product teams will be crucial in delivering high-quality voice experiences that benefit both patients and healthcare providers.Key ResponsibilitiesDevelop and implement features for AI-driven voice interactionsTroubleshoot and resolve issues arising from actual calls to enhance system functionalityWork with technologies including transcription, LLMs, and APIsImprove latency, reliability, and overall conversation qualityContribute to the testing, monitoring, and observability processesCollaborate closely with product teams to refine user experienceQualificationsRequired2–3 years of experience in software engineeringProficiency in programming languages, with a preference for PythonExperience in building backend systems or APIsA product-focused mindset that prioritizes user experience and outcomesA willingness to learn and thrive in a dynamic environmentA comfort with ambiguity and strong problem-solving skillsPreferredFamiliarity with AI technologies and voice systems
Full-time|$200K/yr - $280K/yr|On-site|San Francisco Office
About UnifyUnify is revolutionizing the way revenue teams operate by developing the first AI-powered system of action. Our mission is to transform outbound strategies into a robust growth engine, ensuring that go-to-market execution is observable, repeatable, and scalable. Established in 2023 by industry leaders from Ramp and Scale AI, our talented team boasts backgrounds from renowned companies like Airbnb, Meta, Waymo, and Perplexity.In 2024, Unify achieved an impressive 8x revenue growth and serves a diverse clientele including Perplexity, Cursor, SoFi, and Justworks. We are a dynamic team fueled by high energy and intensity, having secured $58M in funding from leading investors such as Thrive, Emergence, and OpenAI. Join us in shaping the future of GTM!About the Role:As a Senior Software Engineer specializing in AI at Unify, you will be at the forefront of innovation, developing new AI products and enhancing our AI platform. Your work will encompass agents, retrieval systems, classification, fine-tuning, reinforcement learning, and LLM inference infrastructure. If you are passionate about creating production-ready AI systems and wish to contribute to cutting-edge applications used by premier GTM teams, this role is for you.
The RoleAre you a seasoned software engineer with a passion for innovation in production systems? If you're eager to leverage your expertise in the dynamic field of AI agents, this position is tailored for you.As a key member of our Natural Language Understanding team within the 'agent lab', you will contribute significantly to our mission: pushing the boundaries of what agents can achieve reliably at scale. Your work will enhance the Moveworks AI Assistant platform across various domains, including agent orchestration, sandboxed execution environments, latency reduction, agent memory management, LLM self-reflection, execution environment simulation, enterprise knowledge integration, and multimodal input/output.Equipped with cutting-edge enterprise AI tools, including top-tier LLMs from providers like OpenAI, you'll be part of a fast-paced team focused on scalable infrastructure and solving complex engineering challenges to deliver exceptional value to our customers. If you are ready to make a significant impact alongside a dedicated and driven team, we invite you to explore this opportunity with us.
Join Retell AIAt Retell AI, we leverage first principles to revolutionize the call center experience through innovative voice AI technology.In just 18 months since our launch, our AI voice agents have been adopted by thousands of companies to manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by Y Combinator, Alt Capital, and other notable investors, we've achieved impressive growth, scaling from $5M to $36M ARR with a dedicated team of 20.Looking ahead to 2026, we aim to create a comprehensive AI-powered Customer Experience (CX) platform that transforms entire contact centers. Instead of simple automation requiring ongoing human oversight, we are developing intelligent AI "workers" that serve as frontline agents, QA analysts, and managers — perpetually executing, monitoring, and enhancing customer interactions.We're experiencing rapid growth and are on the lookout for passionate innovators eager to tackle complex technical challenges, accelerate progress, and make a significant impact at one of the leading voice AI startups.Let’s build the future together.Ranked in the top 50 AI applications by a16z: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors list for 2025: https://www.brex.com/journal/brex-benchmark-december-2025One of the top startups on: https://leanaileaderboard.com/
Responsibilities:Develop Our Product. Take ownership of software features that enhance our AI platform, empowering private market investors to analyze deals swiftly and accurately. This role requires you to actively engage in coding and delivering essential platform components from the ground up.Ensure Quality and Excellence. Establish and maintain coding standards, architectural guidelines, and review procedures; mentor fellow engineers. Co-cultivate a culture centered on practical, reliable, and test-driven development that swiftly meets business requirements.Scale for Growth. Assist in monitoring and scaling the architecture of our platform and its infrastructure.Collaborate Across Functions. Engage closely with product, security, and go-to-market teams to translate our strategic roadmap into actionable features and deliverables.
Join Affinity as a Senior AI Engineer and contribute to our cutting-edge AI platform. We are seeking a talented engineer passionate about artificial intelligence and its applications in real-world scenarios. In this role, you will collaborate with cross-functional teams to design, develop, and enhance AI solutions that drive our business forward.
Join the Revolution at Retell AIRetell AI is pioneering the future of call centers through innovative voice AI, driven by first principles thinking.In just 18 months since our inception, we have empowered thousands of businesses with our AI voice agents, transforming how sales, support, and logistics calls are managed—previously requiring extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we've rapidly scaled from $5M ARR to an impressive $36M ARR with a compact yet dynamic team of 20.Our ambition for 2026 is to create a revolutionary customer experience platform, where entire contact centers are powered by AI. Moving beyond basic automation, we aim to develop intelligent AI “workers” that serve as frontline agents, QA analysts, and managers, continuously enhancing customer interactions without the need for constant human oversight.As we expand, we are seeking passionate engineers who are eager to solve challenging technical problems, act swiftly, and make a significant impact in one of the fastest-growing voice AI startups. Let’s shape the future together.
Aug 12, 2025
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