RTL & Codesign Engineer

About the TeamJoin OpenAI’s innovative Hardware organization, where we are dedicated to developing state-of-the-art silicon and system-level solutions tailored for the complex demands of advanced AI workloads. Our team is at the forefront of crafting the next generation of AI-native silicon, collaborating closely with software and research partners to create hardware that seamlessly integrates with AI models. We not only deliver production-grade silicon for OpenAI’s supercomputing infrastructure but also engineer custom design tools and methodologies that foster innovation and optimize hardware specifically for AI applications.About the RoleWe are seeking a talented RTL Engineer to take charge of designing and implementing critical compute, memory, and interconnect components for our bespoke AI accelerator. You will engage closely with architecture, verification, physical design, and machine learning engineers to translate AI workloads into highly efficient hardware structures. This is an exciting hands-on design role that offers significant ownership over definition, modeling, and implementation aspects.This position is based in San Francisco, CA, and follows a hybrid work model requiring 3 days in the office weekly. We provide relocation assistance for new employees.ResponsibilitiesDevelop clean, production-quality microarchitecture and RTL for key accelerator subsystems.Contribute to architectural studies, including performance modeling and feasibility assessments.Collaborate with software, simulator, and compiler teams to ensure effective hardware/software co-design and optimal workload integration.Work with design verification (DV) and physical design (PD) teams to guarantee functional correctness, timing closure, area/power targets, and smooth integration.Construct and evaluate performance and functional models to validate design intentions.Engage in design reviews, documentation, and support throughout the entire silicon lifecycle.You Might Excel In This Role If You Have:Advanced research or industry experience in computer architecture and AI/ML hardware-software co-design, encompassing workload analysis, dataflow mapping, or optimization of accelerator algorithms.Proficiency in writing production-quality RTL in Verilog/SystemVerilog, with a proven track record of successfully delivering complex blocks to tape-out.Experience in developing hardware design models or architectural simulators, preferably for AI/ML or high-performance computing systems.Familiarity with industry-standard design tools (lint, CDC/RDC, synthesis, STA) and methodologies.Strong analytical skills and a collaborative mindset.

About Our TeamAt OpenAI, our Hardware organization is pioneering the development of cutting-edge silicon and system-level solutions tailored to meet the distinctive needs of advanced AI workloads. We are dedicated to building the next generation of AI silicon, collaborating closely with software engineers and research partners to co-design hardware that integrates seamlessly with our AI models. Our mission includes not only delivering high-quality, production-grade silicon for OpenAI's supercomputing infrastructure but also creating custom design tools and methodologies that foster innovation and enable hardware optimized specifically for AI applications.About the RoleWe are on the lookout for a talented Research Hardware Co-Design Engineer to operate at the intersection of model research and silicon/system architecture. In this role, you will play a critical part in shaping the numerics, architecture, and technological strategies for the future of OpenAI's silicon in collaboration with both Research and Hardware teams.Your responsibilities will include diagnosing discrepancies between theoretical performance and real-world measurements, writing quantization kernels, assessing the risks associated with numerics through model evaluations, quantifying system architecture trade-offs, and implementing innovative numeric RTL. This is a hands-on position for individuals who are passionate about tackling challenging problems, seeking practical solutions, and driving them to production. Strong prioritization and transparent communication skills are vital for success in this role.Location: San Francisco, CA (Hybrid: 3 days/week onsite)Relocation assistance available.Key Responsibilities:Enhance our roofline simulator to monitor evolving workloads and deliver analyses that quantify the impact of architectural decisions, supporting technology exploration.Identify and resolve discrepancies between performance simulations and actual measurements; effectively communicate root causes, bottlenecks, and incorrect assumptions.Develop emulation kernels for low-precision numerics and lossy compression techniques, equipping Research with the insights needed to balance efficiency with model quality.Prototype numeric modules by advancing RTL through synthesis; either hand off innovative numeric solutions cleanly or occasionally take ownership of an RTL module from start to finish.Proactively engage with new ML workloads, prototype them using rooflines and/or functional simulations, and initiate evaluations of new opportunities or risks.Gain a holistic understanding of the transition from ML science to hardware optimization, breaking down this comprehensive objective into actionable short-term deliverables.Foster collaborative relationships across diverse teams with varying goals and expertise, ensuring that progress remains unimpeded.Clearly articulate design trade-offs with explicit assumptions and rationale.

About Our TeamJoin OpenAI’s innovative Hardware team, where we are redefining the landscape of silicon and system-level solutions tailored to the specific demands of cutting-edge AI workloads. Our mission is to design the next generation of AI-native silicon, collaborating closely with software and research teams to co-create hardware that seamlessly integrates with advanced AI models. Beyond developing production-grade silicon for OpenAI’s supercomputing infrastructure, we also craft bespoke design tools and methodologies that drive innovation and optimize hardware specifically for AI applications.About the RoleWe are seeking a passionate Junior RTL Engineer to contribute to the design and implementation of critical compute, memory, and interconnect components for our custom AI accelerator. You will engage closely with architecture, verification, physical design, and machine learning engineers to translate complex AI workloads into efficient hardware architectures. This hands-on role offers substantial ownership over the design definition, modeling, and implementation processes.This position is based in San Francisco, CA, utilizing a hybrid work model with three days in the office each week. Relocation assistance is available for new hires.Key ResponsibilitiesDevelop clean, production-quality microarchitecture and RTL for major accelerator subsystems.Engage in architectural studies, including performance modeling and feasibility assessments.Collaborate with software, simulator, and compiler teams to ensure effective hardware/software co-design and workload optimization.Work with design verification and physical design teams to ensure functional correctness, timing closure, and adherence to area/power specifications.Create and review performance and functional models to validate design intent.Participate in design reviews, documentation processes, and provide support throughout the silicon lifecycle.Ideal Candidate ProfileGraduate-level research or industry experience in computer architecture, AI/ML hardware-software co-design, encompassing workload analysis, dataflow mapping, or accelerator algorithm optimization.Proficient in writing production-quality RTL in Verilog/SystemVerilog, with a proven track record of delivering complex blocks to tape-out.Experience in developing hardware design models or architectural simulators, particularly in AI/ML or high-performance computing domains.Familiarity with industry-standard design tools and methodologies (lint, CDC/RDC, synthesis, STA).Strong analytical and problem-solving skills with a collaborative mindset.

Join wordware.ai as a Staff Engineer where you will play a pivotal role in shaping the future of our innovative software solutions. We are looking for a talented engineer who thrives in a collaborative environment, is passionate about technology, and is eager to tackle complex challenges. Your expertise will help drive our product development and enhance the user experience for our clients.

About NudgeAt Nudge, we are dedicated to pioneering advanced technologies that interface with the brain, ultimately enhancing the quality of life for individuals. Our initial focus is on developing a non-invasive, ultrasound-based device capable of high-resolution brain stimulation and imaging. This initiative encompasses the creation of state-of-the-art hardware, software, and research capabilities designed to yield products that can positively impact millions—and potentially billions—of lives.To achieve our goals, we are committed to building exceptional teams across all disciplines. We seek individuals who are not only masters of their craft but also believe in tackling challenging projects and executing with unwavering commitment and integrity.About the RoleAs an Ultrasound Engineer at Nudge, you will:Enhance acoustic models for transducer arrays and adapt to specific acoustic properties based on feedback from laboratory and clinical evaluations.Assess the devices to ensure safety and performance standards are met.Contribute to the design of next-generation devices through modeling and prototype evaluations.Create software and algorithms for signal processing, beamforming, holography, and imaging.About YouWe welcome engineers of various experience levels; however, all candidates should possess:A solid foundation in engineering and physics principles.Experience in ultrasound metrology.Proficiency with acoustic modeling software.A strong grasp of biomedical applications of ultrasound technology.A PhD in a relevant engineering field.A proven track record of significant technical contributions.A commitment to high integrity in all endeavors.

Role Overview Mainstay is seeking a Head of Engineering based on the West Coast, with strong preference for candidates in the San Francisco Bay Area. This leader will oversee engineering operations, set technical direction, and ensure teams deliver reliable, high-quality products. What You Will Do Guide engineering strategy and execution across the organization Oversee daily engineering operations and project delivery Foster a collaborative, high-performing team environment Support and mentor engineers to help them grow and succeed Location Requirement This role requires residence on the West Coast. Candidates in the San Francisco Bay Area are highly preferred.

Metriport is hiring a Design Engineer in San Francisco. This position centers on turning ideas into practical designs that serve client needs. The work involves close collaboration with colleagues from different specialties to move concepts from initial sketches to finished products. Role overview The Design Engineer will contribute engineering expertise to develop new solutions and refine existing ones. Each project requires attention to both quality and efficiency, with a focus on meeting client expectations at every stage. Collaboration Expect to work alongside cross-functional teams throughout the design process. Communication and teamwork are essential as concepts evolve and move toward implementation.

Role overview The Platform Engineer at Coframe will help shape the core infrastructure that powers the company’s engineering efforts. Based in the SF Bay Area, this role involves designing and refining the systems that underpin how teams build, deploy, and manage software. Day-to-day work includes using AI tools to improve productivity and streamline deployment processes. The engineer will also focus on strengthening monitoring, enhancing security, and managing costs across the platform. Impact This position carries significant responsibility. The solutions developed will directly support all teams at Coframe, influencing how software is created and maintained across the company. The work done in this role will help set the direction for future engineering practices.

Scribd, Inc. creates products such as Scribd®, Slideshare®, Everand™, and Fable, all with the goal of turning information into insight for users worldwide. The company is dedicated to broadening access to knowledge and expertise on a global level. Culture and Work Style At Scribd, authenticity and bold thinking influence daily decisions and team interactions. Employees are encouraged to share ideas, take initiative, and engage in open dialogue to solve new challenges and meet customer needs. The company’s Scribd Flex policy allows staff to choose their work location and schedule, balanced by planned in-person meetings that help maintain strong team connections. Regardless of where employees live, everyone participates in occasional onsite gatherings to foster collaboration. The company values 'GRIT', a blend of passion and perseverance for long-term goals, which shapes how teams set objectives, innovate, deliver results, and support each other. Quality Engineering Team The Quality Engineering group develops and maintains the testing infrastructure and quality tools that back Scribd’s engineering teams. Their efforts ensure code reliability and support confident releases. Collaboration extends across both the established monolithic codebase and newer microfrontend architectures, with close partnership alongside frontend and platform engineers. Role Overview The Senior Frontend Engineer in Quality Engineering will lead work to expand the quality infrastructure for Scribd’s web engineering teams. As the company moves from a monolithic application toward modular, independently tested components, including microfrontends, this role will help shape the systems that enable that transition. Currently, much of the web platform is still monolithic, with the first microfrontends just entering production. This engineer will design and enhance quality platform capabilities, aiming to increase test ownership, reliability, and developer productivity across all engineering teams.

Astro-Mechanica is hiring a Senior Rotordynamics Engineer in San Francisco. This position centers on detailed analysis of rotordynamics systems and developing solutions to support ongoing engineering projects. What you will do Perform in-depth analyses of rotordynamics systems Develop technical solutions to address engineering challenges Work closely with cross-functional teams on project advancement Requirements Strong technical background in rotordynamics or a related engineering field Demonstrated commitment to engineering quality and precision Ability to collaborate effectively with colleagues from various disciplines

Join SerVal as a Design Engineer where you will play a crucial role in the development and improvement of innovative design solutions. You will collaborate with cross-functional teams to create high-quality products that meet customer needs and industry standards. Your responsibilities will include conceptualizing designs, conducting analyses, and refining prototypes to ensure optimal performance.

At Fastly, we empower individuals to maintain meaningful connections with the things they cherish. Our cutting-edge edge cloud platform allows customers to deliver exceptional digital experiences with speed, security, and reliability by processing and securing applications as close to end-users as possible — right at the edge of the Internet. Our platform is engineered to harness the potential of the modern internet, enabling programmability and supporting agile software development. We proudly serve some of the world's most influential companies, including GitHub, Yelp, Paramount, and JetBlue.Join us in building a more trustworthy Internet.Posting Open Date: Reposted March 30, 2026Anticipated Posting Close Date*: April 20, 2026*This job posting may close earlier due to high applicant volume. Senior Principal Engineer, Platform EngineeringAs a member of Fastly’s Platform Engineering team, you will be instrumental in establishing the essential frameworks that enable engineers to deliver quickly, safely, and at scale. In the role of Senior Principal Engineer, you will guide the technical direction and spearhead cross-organizational initiatives aimed at enhancing our platform, developer experience, and operational excellence. Collaborating closely with fellow engineers, you will work to eliminate friction, standardize best practices, and create paved roads to expedite product delivery. This is a highly collaborative and hands-on position, representing the Platform Engineering organization and reporting directly to the Senior Director of Engineering.

At Crusoe, we are dedicated to accelerating the abundance of energy and intelligence. Our innovative solutions are designed to empower a world where ambitious AI creations thrive, seamlessly merging scale, speed, and sustainability.Join us in the AI revolution by leveraging sustainable technology at Crusoe. Here, you will spearhead significant innovations, make a real difference, and collaborate with a team that is leading the charge in responsible and transformative cloud infrastructure.About This Role:We seek a dynamic Engineering Manager to guide our Managed Services and Production Engineering team. In this role, you will balance your efforts between enhancing reliability and managing a team of Site Reliability Engineers (SREs) focused on Crusoe's AI-managed and service offerings. You will take responsibility for the production health of services provided to enterprise clients, including Managed Kubernetes, Managed Inference, and AutoClusters, while collaborating closely with embedded engineering teams to elevate operational excellence, automation, and customer satisfaction.What You'll Be Working On:Leading and developing a team of SREs within Crusoe's Managed AI and Managed Services sectors, establishing technical direction and nurturing a culture of ownership and continuous enhancement.Contributing as an individual contributor—reviewing code, creating tools, and promoting automation to minimize manual work and increase the reliability and scalability of managed services.Taking charge of SLA/SLO performance, incident response, and on-call health for managed services; conducting blameless post-mortems and driving systemic remediation efforts.Collaborating with product and platform engineering teams to influence infrastructure design, observability strategies, and operational readiness for both new and existing managed services.Establishing and monitoring reliability, performance, and operational maturity metrics across the team; converting data into prioritized roadmap investments.Acting as a technical escalation point for high-severity production incidents impacting enterprise customers, and coordinating with Cloud Support and Customer Success teams to ensure effective resolution and communication.What You'll Bring to the Team:Over 5 years of experience in software or infrastructure engineering, with a minimum of 1–2 years in an engineering management or technical lead position.Proven track record in leading teams and driving technical initiatives.

Flex is hiring a Senior Fullstack Software Engineer to join the Risk Engineering team. This position can be based in New York, San Francisco, or remote within the U.S. Role overview This role centers on designing, building, and maintaining applications that support Flex’s risk management efforts. The Senior Fullstack Software Engineer will collaborate closely with teammates to deliver solutions that improve how risk is assessed and managed across the company. What you will do Develop and maintain both frontend and backend components for risk-related applications Work with team members to design features and solve technical challenges Contribute to projects from initial planning through deployment Requirements Experience in both frontend and backend software development Ability to drive projects through the full development lifecycle Interest in building solutions that support risk management

Join Interaction, a cutting-edge company in the heart of California, as we seek talented design engineers to enhance our innovative team. We are dedicated to finding exceptional individuals who share our passion for technology and design.We invite you to apply if you:Have a strong passion for technology and design, backed by well-informed opinions.Can engage in thoughtful discussions about various tools and applications like Arc, Roam, Tana, Hey.com, Things, Cron, Raycast, and more.Possess expertise in frameworks such as Next.js, React, and SwiftUI.

About Resolve AIAt Resolve AI, we are pioneering solutions that alleviate the burdens of software maintenance and production troubleshooting, allowing engineers to focus on innovation. Our mission is to develop a cutting-edge, fully autonomous AI Production Engineer capable of diagnosing and resolving intricate system issues from start to finish.Founded by industry leaders Spiros Xanthos and Mayank Agarwal, who were instrumental in creating OpenTelemetry and have led initiatives at Splunk Observability, our team has successfully exited to major players like Splunk and VMware.With over $150 million raised from prominent investors such as Lightspeed, Greylock, and Unusual Ventures, alongside renowned backers like Jeff Dean (Chief Scientist, Google DeepMind) and Fei-Fei Li (Professor, Stanford), we are well-positioned for growth and innovation.Your RoleYou will take complete ownership of our marketing website, ensuring excellence in code quality, performance, reliability, and user experience.Your expertise will be pivotal in converting UI/UX designs into responsive, accessible, and high-performing web pages.Collaborate closely with our marketing and design teams to create compelling landing pages and insightful content.Develop tailored web experiences for Account-Based Marketing (ABM) campaigns.Drive significant growth through the optimization of pages for conversion, SEO, and overall performance.Implement and manage analytics tools (e.g., Segment, Google Analytics) to monitor and analyze user behavior effectively.Conduct A/B testing to validate hypotheses and enhance website experiences iteratively.Oversee CI/CD pipelines, deployment environments, and site reliability using platforms like Vercel or Netlify.Proactively monitor site traffic and engagement metrics, providing insights and recommendations for improvements.Ensure adherence to best practices in SEO, mobile responsiveness, accessibility, and security.QualificationsA minimum of 5 years of experience in managing and scaling modern marketing websites.Proficient in HTML5, CSS3, JavaScript/TypeScript, with a strong command of Next.js.Hands-on experience in analytics instrumentation and leveraging tools like Segment and Google Analytics.Adept at managing CI/CD processes and deployment environments.Strong problem-solving skills and the ability to work collaboratively in a fast-paced environment.

Join promise as an Operations Engineer and play a vital role in enhancing our operational efficiency and performance. You will collaborate with cross-functional teams to identify areas for improvement and implement innovative solutions.

About the PositionKPFF Consulting Engineers is actively looking for a passionate Structural Project Engineer with 3 to 5 years of professional experience to join our dynamic San Francisco team. In this pivotal role, you will undertake significant technical responsibilities while being deeply involved in everyday structural design, analysis, modeling, and coordination. Candidates should be either a licensed Professional Engineer (PE) or actively pursuing licensure to further enhance their technical skills.This position focuses on hands-on design work and collaborative project participation. You will work alongside seasoned engineers who prioritize mentorship and technical excellence, allowing you to refine your skills, engage in real project work, and progressively take on greater responsibilities in a supportive, design-oriented environment.Key ResponsibilitiesConduct structural analysis and design for a diverse range of building types, including gravity and lateral systems, foundations, and various structural components.Prepare engineering calculations, design narratives, and technical documentation to support project deliverables.Coordinate the development of structural drawings using Revit and AutoCAD in collaboration with architects and other engineering disciplines.Assist in project execution by addressing technical queries, collaborating with team members, and contributing to problem-solving throughout the design and construction phases.Engage in site visits and field observations to verify existing conditions and assist with construction-phase engineering needs.Review and provide feedback on work prepared by entry-level engineers, offering technical guidance and mentorship as necessary.Work closely with senior engineers and principals to advance structural concepts and ensure that design intent is maintained throughout documentation.

Join Reddit's Test Engineering team as a Senior Software Engineer, where you will play a pivotal role in ensuring the highest quality of software features. Collaborate with cross-functional teams to design and implement robust test automation frameworks and tools, while fostering a culture of quality across all engineering initiatives. Your expertise will help identify testing gaps and drive systemic improvements, enhancing our testing processes and infrastructure stability.

About Our TeamAt OpenAI, we are dedicated to extending the reach of our advanced AI technology through innovative products like ChatGPT and the OpenAI API. Our mission is to learn from deployment and share the benefits of AI, while prioritizing safety and responsible usage over unchecked growth.Role OverviewWe are on the lookout for a seasoned Research Engineer to spearhead efforts in retrieval and search across our API and ChatGPT platforms. As the AI landscape continues to evolve, retrieval and search capabilities have emerged as pivotal for our models. You will play a crucial role in developing search-based product experiences that will impact millions of users globally.In this position, your responsibilities will include:Collaborating closely with our research team to advance retrieval and search algorithms across various domains such as document search, enterprise search, knowledge retrieval, and web-scale search.Implementing these search methodologies into production for both the API and ChatGPT, enhancing user experiences for millions.Investigating cutting-edge research topics in retrieval and search to inform our product strategy for the future.Working together with researchers, engineers, product managers, and designers to introduce new features and innovations.Ideal Candidate ProfileYou will thrive in this role if you:Possess substantial experience in building and maintaining production-level machine learning systems.Have a background in working with vector databases, search indices, or other data storage solutions tailored for search and retrieval applications.Are proficient in developing and refining internet-scale search systems.Exhibit a strong sense of ownership over projects and are eager to acquire new skills to tackle challenges effectively.Demonstrate the ability to work swiftly in an environment with evolving parameters and competing priorities.