Research and development engineer jobs in San Mateo, CA - 5,005 jobs

Reports to: Managing Principle Mechanical Engineer, R&D Workplace Type: Hybrid, on-site in Santa Cruz an average of 4-days per week Capstan Medical:Creating a new standard for minimally invasive structural heart treatment Who we are: At Capstan Medical, we're driven by an unwavering commitment to transforming the treatment of heart valve disease. By merging surgical robotics with catheter-based technology and next generation implants, we've pioneered a patient-optimized approach to repair and replace heart valves. Our innovative technology offers a significantly less invasive alternative to traditional open-heart surgery while ensuring precise and reliable placement of the heart valve implant. With these advancements, we may be able to provide patients with a solution to their heart valve disease while significantly reducing recovery time and minimizing the risk of complications. With a dedicated team of heart valve device experts and robotics engineers, we are fully committed to developing a comprehensive and transformative solution that will positively impact the lives of individuals affected by this condition. Capstan Medical is uniquely positioned in Santa Cruz. This gives us access to the amazing technical talent of the Bay Area, but in an environment that we feel is conducive to doing our best creative work. Our office is adjacent to large tracts of open space with bicycle trails straight from the office doors offering access to the hills and beaches of Wilder Ranch State Park for road/mountain bicycle riding, hiking, and surfing. Come join us and become part of a team revolutionizing heart valve treatment! The Opportunity: We are building a novel medical robotic application, bringing together an exciting set of hardware and software into an elegant product. We are looking for someone who can take a mechanical system of the robot design from initial concept all the way to product. What You'll Do: Collaborate with Manufacturing and Clinical teams on designs, incorporating this input into quick and effective design iterations. Lead and set direction for system and subsystem architectures and mechanical design efforts while owning cross-functional mechanical deliverables and technical strategy Participate in building and bringing up prototype robotic systems and support all things mechanical in their pre-clinical lab use. Lead alignment of complex technical topics and hardware architecture across the Mechanical Engineering team and broadly across the R&D organization and Capstan. Document and communicate learnings on design manufacturability and reliability to the broader hardware team, mentoring others in best practices and scalable design approaches Document and communicate your work through design reviews and as appropriate released documents as part of the product development process Identify gaps and pitch in as needed to ensure that the team meets their goals and objectives, driving alignment across teams when priorities conflict Strengthen the team by providing leadership and mentorship on best practices and design strategies as they grow in their abilities to develop performant, scalable, and elegant designs. Be a valuable partner with feedback and collaboration in brainstorming and design reviews. What You'll Need: BS in Mechanical Engineering or related engineering discipline, or equivalent work experience Expecting 12+ years of relevant experience (medical device experience preferred) Comfort working with high levels of ambiguity and an ability to convert that into tangible outcomes Experience with designing, manufacturing transfer, and shipping of medical device capital equipment or equivalent complexity systems Deep expertise in areas particular to robotic system design: kinematics, mechanisms, bearings, gears, sensors, actuators. Experience with medical device (or equivalent) development process, design control, design verification, and regulatory processes Ability to work in a hybrid work environment, working onsite in Santa Cruz on average 4 days a week Ways To Stand Out: Experience with the full commercial lifecycle from concept through reacting to and addressing field issues with your designs. Skills with Python or Matlab for data analysis, simulation, and interacting with robotic equipment. Excessive nerdiness about manufacturing, mechanisms, robots, or any other adjacencies. Leadership experience. While this role is as an individual contributor, it is a position of significant technical and thought leadership within the company. Why Join Us: We offer a fun, fast-paced, collaborative environment where you will be working on transformational technologies in the cardiac healthcare space. We offer outstanding benefits with medical, dental, and vision covered at 100% for you and your family, as well as flex time off. We thrive in our work-hard, play-hard environment. Bring your bike or running shoes if you'd like or just be ready to enjoy a fun office outing. We enjoy time inside the office and out! We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. #J-18808-Ljbffr

Meta Platforms, Inc. (Meta), formerly known as Facebook Inc., builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps and services like Messenger, Instagram, and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. To apply, click “Apply to Job” online on this web page. Optical Engineer Responsibilities: Collaborate with Meta engineers on the next generation optical communication technology with a particular focus on the testing of optical modules and subsystems for Data Center applications. Work in a collaborative environment across Meta teams including SW, Thermal, Mechanical, and EE. Develop test and simulation methodologies relevant for next-generation, high-speed optical technologies. Develop automation practices and solutions for lab testing. Lead new optical communication NPI programs, working closely with optics vendors and ODMs. Interface with the industry and contribute to the RFI/RFP process for optical solutions. Communicate complex optical hardware requirements to non-experts both internally and to industry-facing stakeholders. Minimum Qualifications: Master's degree (or foreign degree equivalent) in Electrical Engineering, Computer Engineering, Optical Engineering, Physics, or a related field and 3 years of experience in the job offered or in a computer-related occupation Requires 3 years of experience in the following: Imaging optics for both photographic and computer vision applications Both sequential and non-sequential optical design software (e.g. Zemax, Code V, LightTools, FRED and/or ASAP) Image quality evaluation, imaging sensor operation and characterization, stray light modeling and analysis, camera module or lens testing and characterization, imaging and illumination optics design and manufacturing Theoretical analysis using MATLAB, Python or similar programs Statistical analysis using MATLAB Public Compensation: $181,390/year to $189,200/year + bonus + equity + benefits Industry: Internet Equal Opportunity: Meta is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment. Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@fb.com. #J-18808-Ljbffr

About the Company: World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone. Location: SF About the Team: The Device Team at Tools for Humanity is responsible for all aspects of driving the Supply Chain, Manufacturing, Logistics, Physical Security, Field Operational Compliance, and Technical Support of our world-class hardware devices reaching billions of people globally. We are a rapidly growing, highly cross-functional team that strategically partners with industrial design, optics, software, market operations, and finance teams to define product requirements and execute on development. Join our dynamic team and contribute to the operational excellence of our organization. We offer competitive compensation, professional development opportunities, and a collaborative work environment. About The Opportunity: Tools for Humanity is looking for a creative mechanical engineer who, based on the product requirements, will support the product in all phases from research and development through design and prototype manufacturing to handover to our contract manufacturers. Our goal is to design innovative, reliable and manufacturable mechanical components and systems to ultimately produce a perfectly functioning and visually appealing product. Core Responsibilities: Design components and systems based on product requirements Perform a full lifecycle product development (design, develop, test, manufacture and implement) Collaborate mainly with Industrial design, Electrical engineering and Supply chain Produce outline designs and evaluate theoretical designs Build prototypes and methodically conducting experiments, analyzing data and interpreting results Alter and modify design to meet requirements and to eliminate malfunctions and find effective solutions to emerging problems Evaluate final product's overall performance, reliability and safety Collaborate with SupplyChain/Production to verify and possibly improve manufacturability Material selection and estimation of manufacturing costs Prepare product and component documentation About You: Proven working experience in mechanical engineering Working experience with finite element analysis (FEA), computational fluid dynamics (CFD) and product lifecycle management (PLM) Strong hands‑on experience with 3D engineering design and manufacturing tools (Solid Works, PTC Creo) Creativity and analytical skills Solid understanding of core concepts including mechanics, kinematics, thermodynamics and materials science Working experience in the design of injection molded components Bachelor's or Master's degree in a relevant field (mechanical engineering or mechatronics) Exceptional communication and collaboration skills. Proficient in English, with strong written and verbal communication skills. Strong drive and work ethic to drive projects to successful completion. Nice-to-Haves: Experience in the tech industry, particularly with electronic devices Previous experience with fast‑moving startups. What we offer: An open and collaborative office space in downtown SF Unlimited PTO Monthly Phone Reimbursement or a company device Daily DoorDash credit for in‑office meals Top‑tier medical, dental, vision insurance 401k + employer match program The reasonably estimated salary for this role at TFH in San Francisco ranges from $150,000 - $250,000, plus a competitive long term incentive package, and may include variable compensation. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best in class, comprehensive and inclusive employee benefits for this role including healthcare, dental, vision and mental health benefits, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend and much more! If you are passionate about designing smart and feature‑integrated components and systems for innovative hardware products and want to be part of a team shaping the future of the global economy, we would like to hear from you! Apply now at Tools for Humanity and make a difference on a global scale. #J-18808-Ljbffr

About the Company World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to confirm who is a real human while preserving privacy. Our products make this possible: the Orb verifies real people, World ID proves it privately, and World App enables and distributes the new applications made possible by this technology. Together, they form a new layer for AI internet. We're one of the fastest-growing networks in tech. More than 17 million people across 160 countries have verified with World ID, and we complete over 350,000 verifications each week. World App is already among the most used wallets globally. Developers are integrating World ID to build safer online experiences and create spaces where real people can participate, earn, and be recognized in ways AI simply can't replicate. World was founded in 2019 and launched globally in 2023. We are more than 400 people across hardware, software, AI, cryptography, mobile engineering, and global operations. Our teams come from OpenAI, Tesla, SpaceX, Apple, Google, Stripe, Meta, Coinbase, Palantir and MIT Media Lab. We're backed by leading investors, including a16z, Khosla Ventures, Bain Capital Crypto, Blockchain Capital, Variant, Tiger Global, and Coinbase Ventures, as well as prominent operators and founders across fintech and AI. World has been featured on the cover of TIME Magazine, highlighted in Fast Company's Next 5 in Fintech, and explored in a Bloomberg deep dive. The New York Times, Bankless and TechCrunch have all recognized our progress in identity, cryptography, AI, and global-scale hardware deployment. Our leadership is also named to the Time AI 100. Learn more about the newest product launches from our Unwrapped event. This opportunity would be with Tools for Humanity. About the Team The Device Team at Tools for Humanity is responsible for all aspects of driving the Supply Chain, Manufacturing, Logistics, Physical Security, Field Operational Compliance, and Technical Support of our world-class hardware devices reaching billions of people globally. We are a rapidly growing, highly cross-functional team that strategically partners with industrial design, optics, software, market operations, and finance teams to define product requirements and execute on development. Join our dynamic team and contribute to the operational excellence of our organization. We offer competitive compensation, professional development opportunities, and a collaborative work environment. About the Opportunity Tools for Humanity is looking for a creative mechanical engineer who, based on the product requirements, will support the product in all phases from research and development through design and prototype manufacturing to handover to our contract manufacturers. Our goal is to design innovative, reliable and manufacturable mechanical components and systems to ultimately produce a perfectly functioning and visually appealing product. Core Responsibilities Design components and systems based on product requirements Perform a full lifecycle product development (design, develop, test, manufacture and implement) Collaborate mainly with Industrial design, Electrical engineering and Supply chain Produce outline designs and evaluate theoretical designs Build prototypes and methodically conduct experiments, analyze data and interpret results Alter and modify design to meet requirements and eliminate malfunctions and find effective solutions to emerging problems Evaluate final product's overall performance, reliability and safety Collaborate with SupplyChain/Production to verify and possibly improve manufacturability Material selection and estimation of manufacturing costs Prepare product and component documentation About You Proven working experience in mechanical engineering Working experience with finite element analysis (FEA), computational fluid dynamics (CFD) and product lifecycle management (PLM) Strong hands-on experience with 3D engineering design and manufacturing tools (Solid Works, PTC Creo) Creativity and analytical skills Solid understanding of core concepts including mechanics, kinematics, thermodynamics and materials science Working experience in the design of injection molded components Bachelor's or Master's degree in a relevant field (mechanical engineering or mechatronics) Exceptional communication and collaboration skills Proficient in English, with strong written and verbal communication skills Strong drive and work ethic to drive projects to successful completion Nice-to-Haves Experience in the tech industry, particularly with electronic devices Previous experience with fast-moving startups What we offer An open and collaborative office space in downtown SF Unlimited PTO Monthly Phone Reimbursement or a company device In-office meals Top-tier medical, dental, vision insurance 401k + employer match program If you are passionate about designing smart and feature-integrated components and systems for innovative hardware products and want to be part of a team shaping the future of the global economy, we would like to hear from you! Apply now at Tools for Humanity and make a difference on a global scale. Pay transparency statement (for CA and NY based roles): The reasonably estimated salary for this role at TFH in San Francisco ranges from $200,000 - $250,000, plus a competitive long term incentive package, and may include variable compensation. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best in class, comprehensive and inclusive employee benefits for this role including healthcare, dental, vision and mental health benefits, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend and much more! #J-18808-Ljbffr

A leading technology firm in San Francisco seeks an R&D Lasers and Optics Engineer to join a team supporting advancements in quantum computing technologies. Responsibilities include maintenance and development of optical systems. The ideal candidate should have a minimum of a bachelor's degree, hands-on optics experience, and the ability to work collaboratively in a high-technical environment. The role offers compensation ranging from $81,000 to $101,000 annually, with various benefits like flexible schedules and health insurance. #J-18808-Ljbffr

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we're looking for more thinkers, doers, builders, and makers to join us. People who'll bring new perspectives, solve tough problems, and thrive as part of a team. If that's you and this role fits, we want to hear from you. Principal Mechanical Engineer We're looking for a Principal Mechanical Engineer to join our R&D and equipment design team to help build the next generation of thin‑film deposition technology. The Principal Mechanical Engineer will be responsible for the design and implementation of advanced R&D equipment and complex machinery. This role requires strong technical expertise, procedural discipline, and the ability to collaborate across engineering and technology functions to ensure safe, reliable, and high‑performance equipment. If you enjoy working on complex design problems, mentoring others, and solving problems in a collaborative, fast‑paced environment, this is your opportunity to make an impact. What you'll do: Lead the design and implementation of advanced R&D equipment for thin‑film processing, including ownership of key mechanical modules and sub‑systems Define system level requirements and drive innovative design concepts to meet these requirements Lead design reviews for overall mechanical system and key mechanical subsystems Generate and maintain interfaces with other engineering subsystems Report on and be accountable for project progress to stakeholders Work effectively within a multi‑disciplinary team of top scientists and engineers Mentor engineering staff for effectiveness and delivery of on‑time & in‑spec outcomes Get things done: drive projects, consistently deliver, act with speed What we're looking for: Master's degree in Mechanical Engineering or related field (or equivalent industrial experience) 15+ years of experience with at least 7 years of experience working as a principal mechanical design engineer or engineering team lead in a relevant context: design and implementation of R&D systems and manufacturing equipment Ability to conceive of novel solutions for complex engineering systems in challenging environments Expertise with 3D modeling; preferred experience with SolidWorks and NX Experience with COMSOL, ANSYS or other FEA tools Ability to select and qualify vendors for components or subsystems Demonstrated ability to lead in either direct or matrix structures Strong verbal and written communication skills and a dedication to high‑quality documentation Bonus points for: Ph.D. in Mechanical Engineering or related field (or equivalent industrial experience) Prior success building first‑of‑kind or experimental tools for material science or semiconductor R&D Familiarity in applying Semi‑S8, ASME, ACI, ASTM, and other mechanical standards to design solutions Experience with the operation of equipment in a manufacturing environment Must‑have Requirements: Ability to occasionally lift up to 50 lbs Perform activities such as stooping, climbing, standing, or sitting for extended periods of time Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics Willingness to travel or work required nights/weekends/on‑call occasionally $150,000 - $225,000 a year Benefits Competitive compensation with equity 12.5 Company‑wide Holidays Flexible vacation days 10 sick days Generous parental leave policy Health, dental, and vision insurance 401(k) with employer matching Professional growth opportunities Team‑building activities #LI‑Onsite At CFS, we excel in fast‑paced environments, driven by our values of integrity, execution, impact, and self‑critique. As we grow, we're eager to bring on mission‑driven folks who offer diverse perspectives and fresh ways to tackle challenges. We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law. This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws #J-18808-Ljbffr

Geoship is building affordable, sustainable factory-built homes using breakthrough bioceramic geodesic dome technology-reimagining how homes are designed, manufactured, and lived in. Following California housing certification and the launch of our flagship Amma dome, we're hiring a Product Design Engineer to help finalize and scale our first production-ready system. This role is ideal for a first-principles thinker who thrives in ambiguity, rapid iteration, and hands-on building. You'll design and integrate structural, mechanical, and material systems; develop bioceramic components and connection assemblies; prototype, test, and iterate; and collaborate closely with design, materials, manufacturing, and operations teams to bring a new housing category to life. Location: Hybrid role requiring visits to the production site in Grass Valley, CA twice per month (full-time onsite preferred for some candidates). Key Responsibilities (Condensed): Own component and system design from concept to production Design for manufacturability, scalability, and compliance Build and test prototypes; validate performance and iterate Partner cross-functionally to resolve tradeoffs and support builds Produce CAD, drawings, BOMs, DFMEAs, and technical documentation Qualifications: BS in Mechanical Engineering (or related) 3-7+ years in mechanical/product design on complex assemblies Strong CAD (SolidWorks, Fusion, Onshape, etc.) Experience taking hardware from concept → prototype → production Startup mindset: proactive, adaptable, hands-on Comp & Benefits: $125k-$170k base + equity, healthcare, HSA, 401k, and the chance to help reinvent housing from the ground up.

A cutting-edge AI lab in San Francisco is seeking experienced end-to-end engineers to join their small, talent-dense team. The role involves building innovative software products, enhancing user experiences, and collaborating closely with product teams. Ideal candidates should have experience with Python, Typescript, and React. Strong achievers who thrive in fast-moving environments are encouraged to apply. #J-18808-Ljbffr

Mill is all about answering a simple question: how can we prevent waste? Less waste can save time, money, energy, maybe even our planet. And there's no better place to start than food. Food waste is one of the most solvable climate problems facing us today. Plus, our trash really stinks. It's gross, heavy, and our least favorite chore. At Mill we are striving to build a better environment for all, as we take on climate and kitchen change. As a member of Mill's Product Design Engineering team you will be part of a cross functional team to design, validate and ship Mill's hardware products. You will work closely with other members of the PD team as well as cross functional groups including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations. Objectives of this role: Design mechanical systems to balance complex tradeoffs between cross functional teams including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations Generate detailed CAD models, specifications and documentation Prototype, Test and Analyze component and system designs Validate and system performance and iterate designs to achieve targets Create predictive models and correlate with real world performance Perform root cause analysis of performance failures and drive corrective actions Work directly with the supply chain to ensure parts are properly manufactured and assembled. Qualifications BS degree in mechanical engineering or equivalent 2 + years experience working in mechanical product design. Consumer Electronics or Home Appliance industries are preferred Expertise in CAD modeling, experience with NX is preferred. Detailed knowledge of plastic and metal part manufacturing processes Solid understanding of product design concepts including Design for Manufacturing (DFM), Design for Assembly (DFA), Tolerance Analysis Demonstrated ability to apply engineering fundamentals to find simple solutions to complex problems A strong desire to work hands-on Strong communication skills The estimated base salary range for this position is $150k to $175k, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs. #J-18808-Ljbffr

The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API, as well as in next-generation tools specifically designed for agentic coding. We operate across research, engineering, product, and infrastructure-owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities. About the Role As a member of the Codex team, you will advance the capabilities, performance, and reliability of AI coding models through a combination of research, experimentation, and system optimization. You'll collaborate with world-class researchers and engineers to develop and deploy systems that help millions of users write better code, faster-while also ensuring these systems are efficient, cost-effective, and production-ready. We're looking for people who combine deep curiosity, strong technical fundamentals, and a bias toward impact. Whether your strengths lie in ML research, systems engineering, or performance optimization, you'll play a pivotal role in pushing the state of the art and bringing these advances into the hands of real users. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you might: Design and run experiments to improve code generation, reasoning, and agentic behavior in Codex models. Develop research insights into model training, alignment, and evaluation. Hunt down and address inefficiencies across the Codex system stack-from agent behavior to LLM inference to container orchestration-and land high-leverage performance improvements. Build tooling to measure, profile, and optimize system performance at scale. Work across the stack to prototype new capabilities, debug complex issues, and ship improvements to production. You might thrive in this role if you: Are excited to explore and push the boundaries of large language models, especially in the domain of software reasoning and code generation. Have strong software engineering skills and enjoy quickly turning ideas into working prototypes. Think holistically about performance, balancing speed, cost, and user experience. Bring creativity and rigor to open-ended research problems and thrive in highly iterative, ambiguous environments. Have experience operating across both ML systems and cloud infrastructure. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations. To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form . No response will be provided to inquiries unrelated to job posting compliance. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this . At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology. #J-18808-Ljbffr

A tech startup focused on CAD intelligence is seeking a talented individual to own the creation and refinement of computational geometry features using Python and C++. You'll collaborate closely with engineers and gain insights from customers to shape the product roadmap. The role offers a generous equity package, opportunities for growth, and relocation assistance to San Francisco. Excellent communication skills and experience with reinforcement learning algorithms are required. #J-18808-Ljbffr

Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands‑on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the team The positioning team is responsible for designing, prototyping and building semiconductor fab equipment and subsystems related to lithography, motion and metrology. About the role The electron optics engineer is a hands‑on design role that will be directly involved with prototyping and production of precision beam transport systems for Atomic Semi's custom semiconductor tooling. In this position, you would be applying optical theory to the charged particle domain to evaluate design concepts, and then taking them from white board to reality. We are seeking candidates with experience rapidly prototyping components for complex systems, and a first‑principles mindset to analysis and design. Expect working through difficult design challenges, rapid iteration, lab experiments/collection of data, debugging hardware, and making exciting discoveries. Responsibilities Design, analysis, and bring‑up of electron‑optical systems and related equipment including electron sources, lenses, detectors, beam steering, vacuum chambers, etc. Create innovative solutions utilizing novel electron optical techniques Electrostatics simulation, mechanical design, high vacuum, ray optics analysis. Gathering requirements for designs to facilitate successful bring up of new semiconductor tooling Interface with mechanical, electrical, manufacturing, and process engineers Required Experience A degree in Physics, Electrical Engineering, or something similar 2+ years of hands‑on work with precision electron or ion beam systems is required (designing, modeling, building, testing) 5+ years total experience working on complex hardware systems, either in industry or research A strong understanding of charged particle optics and electrostatic/magnetic fields Comfortable working with high vacuum systems - you know your way around chambers, pumps, and component selection Confident in mechanical CAD Nice to have Experience with electrostatics simulation tools like SIMION, COMSOL, CPO2D, CPO3D Electronics skills: usage of oscilloscopes, basic circuit design, grounding + shielding Light‑based optics experience Experience with beam profiling or diagnostics Have done tolerance analysis of electron beam systems Working at Atomic Semi We're an early‑stage hardware startup with solid funding, world‑class advisors, and a lab/office in San Francisco, CA. Compensation Atomic Semi is committed to fair and equitable compensation practices. The annual salary range for this role is $125,000 - $188,000. Compensation is determined based on your qualifications and experience. Our total compensation package also includes generous equity in Atomic Semi. Benefits Medical, Dental, and Vision insurance Generous Paid Time Off inclusive of Holidays and Sick Time Visa Sponsorship Life and Disability Insurance Paid Parental Leave 401(k) retirement plan Weekly Learning & Development opportunities Commuter Benefits including Parking and Late Night Uber rides from the office Lunches daily, Dinners 3x per week, Stocked Office Kitchen with Snacks and Spindrifts We are an equal‑opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or other legally protected statuses. Export Control Analysis This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant's capacity to serve in compliance with U.S. export controls. #J-18808-Ljbffr

A global technology company is looking for a seasoned software engineer to enhance AI capabilities within their observability platform. Candidates should have a strong background in AI/ML systems, cloud computing, and robust technical leadership. This role is pivotal in driving innovation in data analysis and delivering scalable solutions. The ideal candidate will thrive in an agile environment and provide mentorship to junior engineers. Enjoy competitive salaries and benefits while contributing to impactful technology solutions. #J-18808-Ljbffr

A global technology company based in California seeks a talented individual to design and develop Deep Learning architectures. This role involves creating intelligent experiences through innovative Machine Learning solutions, collaborating with various teams, and requires a strong programming background. Candidates should hold a Bachelor's degree in Computer Science or similar, with familiarity in Python, Objective C, or Swift and relevant project experience. Competitive salary and extensive benefits offered. #J-18808-Ljbffr

We are seeking an R&D Lasers and Optics Engineer in our Golden Valley, MN Location. We are seeking a R&D Optics Engineer to join our team in Minnesota supporting R&D and commercial activities. The ideal candidate will have a broad understanding of a number of technical disciplines, with deep technical expertise and skills in at least one; a history of working in highly technical teams supporting scientists and engineers; and a strong work ethic and high reliability. All applicants for placement in safety-sensitive positions will be required to submit to a pre-employment drug test. Key Responsibilities: Work with a team of engineers, physicists, and technicians to advance trapped-ion quantum computing technologies Perform regular maintenance on laser and optical systems Participate in designing, building, testing and alignment of optical systems, including lasers and imaging systems Collaborate with colleagues to provide technical expertise and support on planning, development, maintenance, and management of a new and existing optical and laser systems Prepare detailed engineering specifications, standard operating procedures, and other documentation required for the operation, maintenance, and repair of optical, mechanical, and electronics systems Support Procurement and Materials Management in acquiring and tracking technical equipment and infrastructure through phases of building, expanding, and maintaining the lab YOU MUST HAVE: Bachelor's degree minimum Minimum 1+ years hands‑on work or apprentice experience in optics or lasers Minimum 2+ years' experience working in a technical environment such as laboratory, clean room, or similar Due to Contractual requirements, must be a U.S. Person defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee status Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen. WE VALUE: Masters degree in optics, engineering, instrumentation, physics, or related 3+ years in an optics lab environment Hands‑on skills building and testing optical systems and an understanding of underlying principles of optics, such as lasers, free‑space optics, fiber optics, imaging systems, etc. Experience building experimental apparatus from scratch Experience following work instructions, drawings, and test protocols Experience with Python, CAD, or optical modeling Highly organized and attention to detail on both administrative and technical tasks Highly motivated individuals excited to learn and apply a broad range of technical skills The ability to work from assembly drawings, schematics, wiring diagrams, sketches and other written, visual and oral instructions Excellent written and verbal communication skills Compensation & Benefits: Non-Incentive Eligible. The pay range for this role is $81,000-$101,000 annually. Actual compensation within this range may vary based on the candidate's skills, educational background, professional experience, and unique qualifications for the role. Quantinuum is the world leader in quantum computing. The company's quantum systems deliver the highest performance across all industry benchmarks. Quantinuum's over 650 employees, including 400+ scientists and engineers, across the U.S., U.K., Germany, and Japan, are driving the quantum computing revolution. By uniting best‑in‑class software with high‑fidelity hardware, our integrated full‑stack approach is accelerating the path to practical quantum computing, and scaling its impact across multiple industries. As we celebrate the International Year of Quantum, there has never been a more exciting time to be part of this rapidly evolving field. By joining Quantinuum, you'll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible. What is in it for you? A competitive salary and innovative, game‑changing work Flexible work schedule Employer subsidized health, dental, and vision insurance 401(k) match for student loan repayment benefit Equity, 401k retirement savings plan + 12 Paid holidays and generous vacation + sick time Paid parental leave Employee discounts Quantinuum is an equal‑opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affiliation or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status. Know Your Rights: Workplace discrimination is illegal. $81,000 - $101,000 a year PI280982967 Job ID: 81817254 #J-18808-Ljbffr

Geoship is building affordable, sustainable factory-built homes using breakthrough bioceramic geodesic dome technology-reimagining how homes are designed, manufactured, and lived in. Following California housing certification and the launch of our flagship Amma dome, we're hiring a Product Design Engineer to help finalize and scale our first production-ready system. This role is ideal for a first-principles thinker who thrives in ambiguity, rapid iteration, and hands-on building. You'll design and integrate structural, mechanical, and material systems; develop bioceramic components and connection assemblies; prototype, test, and iterate; and collaborate closely with design, materials, manufacturing, and operations teams to bring a new housing category to life. Location: Hybrid role requiring visits to the production site in Grass Valley, CA twice per month (full-time onsite preferred for some candidates). Key Responsibilities (Condensed): Own component and system design from concept to production Design for manufacturability, scalability, and compliance Build and test prototypes; validate performance and iterate Partner cross-functionally to resolve tradeoffs and support builds Produce CAD, drawings, BOMs, DFMEAs, and technical documentation Qualifications: BS in Mechanical Engineering (or related) 3-7+ years in mechanical/product design on complex assemblies Strong CAD (SolidWorks, Fusion, Onshape, etc.) Experience taking hardware from concept → prototype → production Startup mindset: proactive, adaptable, hands-on Comp & Benefits: $125k-$170k base + equity, healthcare, HSA, 401k, and the chance to help reinvent housing from the ground up.

The Frontier Evals team builds north star model evaluations to drive progress towards safe AGI/ASI. This team builds ambitious evaluations to measure and steer our models, and creates self-improvement loops to steer our training, safety, and launch decisions. Some of the team's open-sourced evaluations include SWE-bench Verified, MLE-bench, PaperBench, and SWE-Lancer, and the team built and ran frontier evaluations for GPT4o, o1, o3, GPT 4.5, ChatGPT Agent, and GPT5. If you are interested in feeling firsthand the fast progress of our models, and steering them towards good, this is the team for you. About you We seek exceptional research engineers that can push the boundaries of our frontier models in the finance domain. We are looking for those who will help shape AI evaluations of financial reasoning and related capabilities, and will own individual threads within this endeavor end-to-end. Responsibilities Identify important model capabilities, skills, and behaviors that are crucial to financial workflows, and design methods to quantify performance in these areas Own and pursue a research agenda to identify an important model capability (especially as it relates to financial reasoning) and build evals to measure it Continuously refine evaluations of frontier AI models to assess the extent of frontier capabilities Requirements Have strong engineering and statistical analysis skills (with at least 2-3 years of full-time technical experience) Be passionate about Excel spreadsheets and/or finance Be detail-oriented and thorough Be a team player / willing to do a variety of tasks to move the team forward Be passionate and knowledgeable about AGI/ASI measurement Be able to operate effectively in a dynamic and extremely fast-paced research environment as well as scope and deliver projects end-to-end Nice to have Prior background / domain expertise in finance, especially investment banking or private equity (e.g., through internships, prior jobs) An ability to work cross-functional Excellent communication skills About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. For additional information, please see OpenAI's Affirmative Action and Equal Employment Opportunity Policy Statement. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations. To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link. OpenAI Global Applicant Privacy Policy At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology. #J-18808-Ljbffr

A cutting-edge semiconductor startup in San Francisco is seeking an experienced electron optics engineer to design and prototype precision beam transport systems for semiconductor tooling. Ideal candidates have extensive hands-on experience with electron or ion beam systems and a solid understanding of charged particle optics. The role offers a competitive salary ranging from $125,000 to $188,000, along with generous equity and benefits package, including health insurance and paid time off. #J-18808-Ljbffr

A leading fusion energy company in Milpitas is seeking a Principal Mechanical Engineer to join their R&D team focused on advanced thin-film deposition technology. Responsibilities include designing R&D equipment, leading complex projects, and mentoring engineering staff. The ideal candidate will have a Master's in Mechanical Engineering, over 15 years of experience in mechanical design, and familiarity with tools such as SolidWorks and ANSYS. Competitive salary and benefits are offered, including 12.5 holidays and flexible vacation days. #J-18808-Ljbffr