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Engineer United States Jobs (On-site work)

8105 Job Offers

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Senior Software Engineer (Quality, Health Records)
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Senior Software Engineer role in Boston focused on quality engineering for Health Records. Lead test automation, validate data pipelines and APIs using Java, Python and SQL, and build reusable data-mocking frameworks.
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Whoop
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Full-Stack Software Engineer, Reinforcement Learning
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Full-stack engineer needed to build interfaces, backend services, and internal tools for an AI reinforcement learning data platform in San Francisco. Requires 3+ years experience, Python, React/TypeScript, and ML/RL exposure. Salary $130K-$225K plus visa sponsorship.
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Clera
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Founding Product Engineer
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Founding Product Engineer for an early-stage legal tech team in San Francisco. Build AI-powered full-stack software with TypeScript and React, shaping engineering practices. Requires 3-4 years experience and AI/LLM skills. $140k-$180k.
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Clera
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Founding Product Engineer
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Founding Product Engineer to build an AI-driven B2B pricing platform in San Francisco. Requires 8+ years of backend experience with Python and FastAPI, plus React skills. Base salary $200,000-$250,000.
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Clera
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Founding Engineer, Agents
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Founding Engineer, Agents role in San Francisco building autonomous AI agents for complex, long-running computer work. Own core agent systems, memory, and evaluation frameworks. Base salary $200K-$300K plus founding equity and visa sponsorship.
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Clera
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Principal Mechanical Engineer
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Lead mechanical architecture for autonomous directed-energy counter-drone systems in San Francisco. Requires 10+ years shipping complex hardware from prototype to production, strong CAD and FEA skills, and cross-disciplinary expertise. Salary $235K-$305K.
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Clera
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Software Engineer, Sandboxing
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Join Thinking Machines as a Software Engineer, Sandboxing in San Francisco. Build secure, isolated execution environments using containers, microVMs, and gVisor to run model-generated code safely at scale.
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Thinking Machines Lab
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Founding Product Engineer
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Join AgentMail as a Founding Product Engineer in San Francisco, building communication infrastructure for AI agents. Own products end-to-end, from frontend to backend, with high autonomy and direct customer contact.
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AgentMail
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Senior Software Engineer
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Senior full stack engineer needed at Roboflow Labs in San Francisco to build zero-to-one data platforms for frontier AI labs. Requires 6+ years production experience, strong backend and data pipeline skills. Salary $250K-$450K plus equity.
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Roboflow
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Process Development Engineer
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Join Boston Materials in Billerica as a Process Development Engineer to design and optimize chemical processes for advanced materials. Requires ChemE/Materials Science degree, roll-to-roll expertise, and DOE/FMEA skills. Great benefits.
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120000.00 - 180000.00 USD / Year
Boston Materials
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Senior Embedded Software Application Engineer
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Senior Embedded Software Application Engineer role in Pleasanton, CA. Requires 8+ years of embedded firmware experience, C/C++ proficiency, and Zephyr RTOS expertise. Join Alif Semiconductor to drive cutting-edge AI-enabled embedded solutions.
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180000.00 - 220000.00 USD / Year
Alif Semiconductor
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Founding Data Engineer
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Reducto seeks a Founding Data Engineer in San Francisco to build its data infrastructure from scratch. Own the full stack with SQL, Python, and dbt, shaping architecture at a fast-growing AI startup.
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Reducto
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Robot Learning Engineer - Manipulation
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Join Applied Intuition as a Robot Learning Engineer in Sunnyvale, CA. Train and deploy manipulation policies on real robots, using Python, PyTorch, and imitation learning. Great benefits and equity included.
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Applied Intuition
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Thermal Engineer
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Thermal Engineer to design radar satellite thermal systems in Redwood City, owning Python simulation frameworks, radiator design, and thermal vacuum testing. Requires 3+ years hardware experience and strong heat transfer fundamentals.
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150000.00 - 250000.00 USD / Year
Array Labs
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Partner Solutions Engineer, Ads Solutions - San Francisco
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OpenAI seeks an Ads Solutions Engineer in San Francisco to drive advertiser success on its ad platform. Requires 5+ years in solutions engineering, adtech measurement expertise, and SQL/API skills. Relocation support offered.
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OpenAI
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Acquisitions Program Engineer - Systems Security, Senior
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Canvas Inc. seeks a Senior Acquisition Program Engineer - Systems Security at Eglin AFB, FL. Protect classified Air Force systems, lead cybersecurity and anti-tamper efforts. Requires TS/SCI, US citizenship, and 20+ years experience.
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United States, Eglin AFB
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Canvasinc
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Machine Learning Engineer
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Lovelace seeks a Machine Learning Engineer in Pittsburgh to build NLP and LLM systems end to end. Requires strong ML fundamentals, expert Python, and hands-on experience directing AI coding agents.
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Lovelace AI
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Senior Process Engineer
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Senior Process Engineer role in San Francisco, CA, combining hands-on plant design expertise with AI-driven product development. Requires end-to-end process design experience in gas power or industrial plants, first principles thinking, and PE preferred.
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Unlimited
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Infrastructure Engineer
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Own infrastructure for AI agents across customer environments in San Francisco. Requires production ownership, CI/CD, workflow reliability, and database skills. Meaningful equity at an early team.
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Varick Agents
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Senior Software Engineer, Fullstack
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Senior Fullstack Engineer role in NYC to architect and scale AI/ML infrastructure and workflow orchestration for healthcare. Requires 5+ years building distributed systems, cloud architecture expertise, and end-to-end ownership in a 0-to-1 in-office environment.
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Assured
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About the Engineer role

Engineer jobs represent a cornerstone of the operational and technical workforce, focused on the application of scientific and mathematical principles to design, develop, maintain, and improve systems, structures, and processes. While the field is incredibly diverse, spanning disciplines from civil and software to mechanical and electrical engineering, the core mission remains consistent: to solve complex problems and ensure functionality, efficiency, and safety. Professionals in these roles are the backbone of infrastructure, technology, and innovation, turning theoretical concepts into practical, working solutions that power our modern world.

Individuals in these positions typically engage in a wide array of responsibilities. A primary function involves the installation, maintenance, and preventative care of tools, equipment, and complex systems. This includes routine inspections, calibrating controls and gauges, and performing diagnostic tests to ensure everything operates within specified parameters. Troubleshooting is a daily activity, requiring engineers to identify the root cause of malfunctions and execute repairs, whether it's a mechanical failure, an electrical issue, or a problem with plumbing and HVAC systems. For those in supervisory engineer jobs, responsibilities expand to include leading teams, which involves hiring, training, scheduling, and mentoring other engineering staff to ensure a high standard of work and team cohesion.

The skill set required for engineer jobs is both broad and technical. A strong foundation is typically built through vocational, technical, or trade school education, providing essential knowledge in relevant engineering principles. Practical, hands-on experience is highly valued, often requiring several years in a related field. Key technical skills include proficiency in reading blueprints and schematics, a solid understanding of mechanical, electrical, and plumbing (MEP) systems, and the safe operation of hand and power tools. Many roles also require specific certifications, such as universal CFC handling licenses, to comply with safety and environmental regulations.

Beyond technical prowess, successful candidates for engineer jobs possess strong problem-solving abilities, acute attention to detail, and a steadfast commitment to safety protocols. They must be able to communicate clearly with team members and other departments, document their work accurately, and manage inventory of parts and supplies. Physical stamina is often necessary, as the role can involve standing for extended periods, lifting heavy objects, and working in confined spaces. A methodical and proactive approach is essential, focusing not just on fixing current issues but on implementing preventative measures to avoid future problems. For those seeking stable, hands-on, and critically important careers, engineer jobs offer a rewarding path with opportunities for continuous learning and advancement into leadership positions.