Founding Generalist Engineer — SDKs & Developer Tools
Trajectory
Trajectory, based in San Francisco, is seeking a Founding Generalist Engineer to craft the product experience for continual learning. The role involves owning the SDK and API surfaces while working directly with founders and industry-leading partners. Ideal candidates will have strong full-stack engineering skills and experience with AI-powered products. The team comprises ex-DeepMind and OpenAI researchers, building systems powered by real user workflows. Join us in shaping the future of developer-first product experiences. #J-18808-Ljbffr Trajectory
- ...Type Full time Department Engineering Speakeasy is the best in class developer platform for building and deploying agent tools as hosted MCPs. Our... ...for crafting high-quality SDKs for APIs, and have since... ...we’re looking for strong generalists and product engineers who...SuggestedFull time
$350k
...Software Engineer, Systems Generalist Thinking Machines Lab's mission is to empower humanity through... ...everyone has access to the knowledge and tools to make AI work for their unique... ...embedding governance best practices. Developer Productivity: We care deeply about...SuggestedLocal areaImmediate startVisa sponsorshipWork visaRelocation packageFlexible hours- ..., usable takeoffs. We’re a small, sharp founding team working closely with construction experts... ...is looking for a Founding Software Engineer focused on Spatial Systems to own and... ...game engines, physics engines, or VR/AR tooling ~ Strong background in spatial reasoning...Suggested
- ...Kovari in San Francisco is seeking a founding software engineer to build the software infrastructure for their robots. This generalist role involves developing the core software stack that runs on their robots, writing code for hardware interfacing, and collaborating...Suggested
- ...had acquired the company he founded, Quip) and CTO of Facebook.... ...the creation and execution of developer training and enablement... ...Agents as an Agent Software Engineer, building the knowledge to become... ...– especially developer tooling, SDKs, and APIs. ~ Demonstrated...SuggestedFull timeFlexible hours
$179k - $240k
...Location Type On-site Department Engineering Compensation $179K – $240K... ...Every AI app needs agentic "tools" - special functions that let... ...Market Fit : Our CEO previously founded Stormpath (acquired by Okta),... ...first Authentication API for developers. He's done this before - and...Full timeShift work- ...The Developer Experience team at OpenAI seeks a Developer Experience Engineer to create engaging technical content and developer tools. This role focuses on empowering developers globally and demonstrating best practices for building applications with Codex and OpenAI...
- ...A tech startup in San Francisco is seeking an Agent Experience Engineer to enhance how AI agents interact with the company's tools. The position involves owning agent-facing surfaces and improving SDKs. Candidates should have 2+ years in software engineering with strong...
- ...As a software engineer you will experiment with the latest models... ...the infrastructure and tooling that powers our data creation... ...reliably for 12+ hours Create new SDKs that let us create new... ...of configuration We've found that strong generalists with good taste for experimenting...Work at office
- Harper is seeking a Software Engineer to enhance developer experiences in San Francisco. You'll drive improvements in CI/CD systems, ensuring build... ...environment parity, and building internal developer tooling. Competitive compensation and equity offerings are part of...Local area
- Founding Platform & Reliability Engineer About OpenArt OpenArt is an AI Storytelling and Visual Creation Platform... ...the next generation of creative tools powered by cutting-edge AI, enabling... ...distributed systems , backend services , and developer tooling , making pragmatic...Remote workWorldwideVisa sponsorship
- ...Watershed is seeking a Software Engineer for its Developer Tooling team in San Francisco, focusing on building internal tools and enhancing the developer experience. The role involves creating systems that empower engineering teams to work more efficiently and safely....Work at office
- .... Ayama is looking for a Senior Software Engineer to help drive the AI revolution into critical... ...AI‑native and use modern AI development tools to move fast while making sound... ...integrate enterprise data sources at scale Develop full‑stack product features end‑to‑end, from...Full timeRelocation
- ...Watershed is looking for a talented Software Engineer to join our Developer Tooling team in San Francisco. This role focuses on creating delightful development experiences and high-quality internal tools that help engineers work efficiently. The ideal candidate has over...Work at office
$293k - $325k
...responsible for building the infrastructure, tooling, and validation systems that ensure our... ..., safe product launches. Our work spans developer tools, automation, systems integration,... .... About the Role As a Software Engineer, Quality and Developer Tools , you will...Work at officeRelocation package$200k - $325k
...Aionia Group in San Francisco seeks a founding team member to architect and ship production-grade AI systems directly with customers... ...backend services and APIs. Candidates should have strong backend engineering skills, a relevant degree, and be comfortable working on-site...- ...A tech startup in AI is seeking a Founding Engineer in San Francisco to set the strategic foundation for the Engineering Team. Responsibilities include designing user-critical features and collaborating with engineers and researchers. Ideal candidates should have 8+ years...
- Watershed is seeking a Software Engineer for its Developer Tooling team in San Francisco. The position focuses on building tools that enhance local development and drive productivity for engineering teams. The ideal candidate will have over 3 years of experience in software...Local area
- ...black.ai is looking for a strong generalist software engineer in San Francisco to enhance their next version of a surgical robot. You will build core control software and improve system-level integration, collaborating with teams to deliver end-to-end features. The ideal...
- ...the opportunity to: Join Onton as a Founding Engineer and set the foundation for our Engineering... ...companies. Be a self‑directed generalist, capable of picking up any engineering... ...and is passionate about making software tools accessible to all, we want to hear from...Full timeWork at officeLocal areaRemote workRelocation3 days per week
- Hypercubic is looking for a founding backend engineer based in San Francisco, California. In this role, you'll prototype and productionize AI-... ...grasp of engineering principles and experience in rapidly developing features. You will collaborate with a diverse group of experts...
- ...A technology company in San Francisco is seeking a Founding Fullstack Engineer to build scalable systems that automate complex decisions in manufacturing. Ideal candidates will have experience with data-driven agents, strong product sense, and the ability to ship production...Relocation
$200k
...As a Senior Software Engineer on Meridian, you’ll own... ...iteration. This is a founding engineer role on a zero... ...legal, and compliance Develop deep fluency in... ...environment ~ Full-stack generalist or frontend specialist... ...intelligence (AI) tools to support parts of the...Work at office2 days per week$140k - $210k
...Job Description Job Description Founding Engineer Terac helps teams reach faster research... ...and extend the Terac API that research tooling companies and AI data companies integrate... ...Experienced with LLMs, voice AI, or AI SDKs (Vercel AI SDK, Gemini, LiveKit). Excited...Work at officeRelocation packageShift work$180k - $225k
...Job Description Job Description Founding Engineer — Confidential (AI Startup, YC/a16z-Backed... ...This is a founding engineering role for a generalist full-stack engineer who loves building... ...pipelines across multiple agents, tools, and services ~ Full-stack proficiency...Full timeRelocationVisa sponsorshipRelocation packageFlexible hours- ...businesses turnkey APIs and SDKs to instantly move money... ...solutions. The founding team previously built and... ...opportunity As our Founding Engineer , you will define,... ...Design & Architecture – Develop highly available, event... ...AI-assisted development tools—especially Cursor or...
$165k - $242k
...delivers a platform of technology, tools, and teams that enables... ...turn compute into capability. Founded in 2017, CoreWeave became a... .... If you're passionate about developer tools, thrive in ambiguous environments... ..., enjoy tackling challenging engineering problems, and are excited by...Permanent employmentTemporary workCasual workWork at officeWorldwideFlexible hours- ...A technology company in San Francisco is seeking an experienced software engineer to develop a new generation of AI-driven transpilation tools. This position requires strong proficiency in C++ or Python, with a minimum of 7 years in collaborative software development....Flexible hours
- ...Senior Site Reliability Engineer - AI Infrastructure Location: Global... ...Andromeda Cluster was founded by Nat Friedman and Daniel Gross... ...engineering. The Role This is not a generalist SRE role. You will design,... ...metrics. Automation & Tooling: Build production-grade automation...Full timeRemote work
- ...OpenAI is looking for a self-starter full stack engineer in San Francisco to rapidly prototype and develop internal tools for researchers. The role requires proficiency in Python and experience building maintainable codebases. Ideal candidates are comfortable with both...Relocation package
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