First Engineer — Build AI Platform & Open‑Source Tools
TraceRoot.AI (YC S25)
A cutting-edge technology startup in San Francisco is seeking a first engineer to collaborate with founders in building innovative AI products. This role requires strong full-stack development skills, particularly with React, TypeScript, and Node.js. Candidates should have a builder mindset and be able to work quickly within a startup environment. You will engage with users, ship new features rapidly, and maintain open-source projects as part of a dynamic team culture.#J-18808-Ljbffr
- Stealth Startup is looking for a passionate Open Source Developer based in San Francisco, California, who is eager... ...with cutting-edge technologies like LLMs and AI tooling. This role is suited for early‑career engineers with a builder mindset. You will collaborate with...Suggested
- ...framework and enterprise platform for building and orchestrating multi-agent AI systems. The open-source framework is a lean,... ...build on. This is engineering done in public. Your... ...experience as a first-class product. What... ..., task execution, tools, memory, MCP, A2A, and...PlatformFull time
- ...to join their San Francisco team, focusing on building and optimizing features for an AI runtime and SaaS platform. The role requires over 5 years of experience in... ...leading collaborative teams. You will contribute to open-source initiatives and help shape the future of...Platform
- Open Source Engineer - Go Join to apply for the Open Source Engineer - Go... ...Company Braintrust is the AI observability platform. By connecting evals and observability... ...in production and the tools to improve it. Teams at... ...We’re hiring engineers to build the open-source libraries...PlatformFull timeFlexible hours
$208k - $312k
...Next.js, v0, and AI SDK, we create products... ...by agents.We are building the platform for that future,... ...portfolio of open source projects that... ...looking for a security engineer who loves finding... ..., build tooling) to find the systemic... ...considered from the first draft, not bolted...PlatformWork from homeWorldwideFlexible hours- ...for a passionate Open Source Developer who is excited about building in public, contributing... ...such as LLMs, AI tooling, and scalable backend... ...for early-career engineers who love... ...Kubernetes, or cloud platforms Experience working... ...Collaborative and engineering-first culture #J-18808-...Platform
- Vercel is seeking an experienced communications leader to own external storytelling for the Agent Stack, Core Platform, and open source projects like Next.js. You will translate shipped features into narratives for developers, press, and the market, and oversee communications...PlatformWork at office
- ...breakthroughs. We do this by building and running the... ...'s best data and AI platform, enabling our... ...of data engineers, analysts, scientists... ...developer tooling — the kind of person... ...engineering teams and the open source community forming... ...to land their first pull request, and...PlatformWorldwide
$125k - $180k
...EngineerRunpod is the AI Developer Cloud.... ...scale AI on one platform. The platform... ...a small, remote-first team. We take... ...Developer Relations Engineer who codes, develops developer tools and resources to simplify building on Runpod, and... ...contributing to open-source projects within...PlatformRemote workHome officeVisa sponsorshipWork visaFlexible hours- ...Developer Relations Engineer role at... ...ago Be among the first 25 applicants... ...millions of developers, building for the cloud, IoT... .... We aim to make open source easier and more reliable... ...the way that tools can be adapted to... ...projects and the platform for AI, IoT and the...PlatformFull timeFreelanceLocal areaRemote workWorldwide
$1,000 per month
...Developer Relations Engineer based in the... ...in public, building communities, and... ...distributed systems + AI agent concepts... ...the broader open-source maintainer team... ...community platforms), answer technical... ...Diagrid Demos & Tools: Create sample... ...compensationCompany equityRemote first & flexible work...PlatformWork from homeHome officeFlexible hours$169k - $232k
...financial technology platform of choice. At... ...we do is engineered for ambition.... ...TeamWe're building one of the... ...beneath it. AI agents are increasingly... ...Building the source material... ...our APIs and tools are intuitive... ...Engineers.Open to some domestic... ...an office-first company and value...PlatformWork at officeShift work- ...world's most dynamic AI companies, like Cursor... ...seamless developer tooling, we enable companies... ...Conviction. Join us and help build the platform engineers turn to to ship AI... ..., making RDMA a first-class building block... ...leverage the best of the open-source ecosystem, you won't...PlatformFull timeFlexible hours
$148.5k - $223.9k
...SalesforceSalesforce is the #1 AI CRM, where humans... ...as the greatest platform for change and in... ...aspect of our software engineering. While AI is writing... ...engineer who follows the AI-first approach to build and maintain... ...multiplier using AI tools. Prior experience working...PlatformFull time$185k
About the RoleThe Engineering Acceleration team builds and operates the foundational... ...observability, and tooling that helps engineers... ....Use modern AI tools to rethink CI... ...software for internal platforms, not just configuring... ...CI failures across source control, dependency...PlatformWork at officeLocal areaRemote workFlexible hours$160k - $220k
...Identity, from AI to HumanIdentity... ...secures AI by building the trusted, neutral... ...Reliability Engineer (DBRE)... ...closely with SRE, Platform, and Engineering... ...management using tools such as Terraform... ...to open-source PostgreSQL ecosystem... ...office during the first week of employment...PlatformPermanent employmentWork at officeLocal areaWorldwideFlexible hours- ...Developer Relations Engineer role at Canonical... ...ago Be among the first 25 applicants... ...millions of developers, building for the cloud,... .... We aim to make open source easier and more... ...the way that tools can be adapted to... ...projects and the platform for AI, IoT and the cloud...PlatformFull timeFreelanceLocal areaRemote workWorldwide
- ...established, designing, building, and running... ..., having an open source first and result oriented... ...to scale out our platform.On a typical day,... ...that enables our engineers to accomplish their... ...and leverage AI/ML techniques for... ...Helm and GitOps tools like ArgoCD.Infrastructure...PlatformFor contractors
$148.5k - $223.9k
...SalesforceSalesforce is the #1 AI CRM, where... ...a senior engineering candidate to... ...AI-powered platforms. You will not... ...worldwide.Build and run... ...Identify and remove sources of toil,... ...operational tooling using durable... ..., genuine AI-first approach to engineering... ...to open-source reliability...PlatformFull timeWorldwideWeekend work- ...Description Head of Internal Tools Engineering, Artificial Intelligence (AI) Required, Work From Home... .... You will architect, build, and scale the internal... ...: Internal Platform Strategy & Roadmap: - Own... ...- Build seamless, API-first ecosystems that integrate...PlatformRemote workWork from home
$175k - $280k
...Sierra, we’re creating a platform to help businesses build better, more human... ...experiences with AI. We are primarily an... ...as an Agent Software Engineer, building the... ...especially developer tooling, SDKs, and APIs.Demonstrated... ...agents using open source tools like LangGraph...PlatformFull timeFlexible hours- ...breakthroughs. We do this by building and running the... ...’s best data and AI infrastructure platform so our customers... .... Founded by engineers — and customer... ...the internal tooling that runs the ISV... ...that serve as the source of truth for partner... ...KPI frameworks.Open-source contributions...PlatformWorldwide
$117.2k - $176.7k
...SalesforceSalesforce is the #1 AI CRM, where... ...cutting-edge AI First technology... ...mission is to build a robust Cloud development platform that enhances... ...expert Software Engineer to join our AI-First... ...and building AI tools and capabilities... ...to open-source projects or personal...PlatformFull timeRemote work$175k - $250k
...ago Be among the first 25 applicants... ...Infrastructure Engineer Location: San... ...a pioneering open source technology company... ...generative AI. They are the team... .... Their platform allows users to... ...modular components, build complex pipelines... ..., their tools help users experiment...PlatformFull timeRemote workRelocationRelocation package$200k - $240k
Build a Safer World. TRM Labs provides... ...and AI solutions to... ...intelligence and AI platforms include... ...to trace the source and destination... ...all. The AI Engineering Team is chartered... ...operational tooling that allow AI... ...— including open-source stacks... ...put customers first and move with...PlatformRemote workWorldwide- Dust is seeking a Growth Engineer to write code that moves... ..., and conversion, building landing pages, tracking, and internal GTM tools. You’ll collaborate with... ...GTM Engineers, shipping AI-powered solutions and dashboards, using Dust's platform and Claude Code to accelerate...Platform
$156k - $215k
...Staff Software Engineer, AI & Automation Staff... ...ago Be among the first 25 applicants... ...Gladly is the only CX platform that puts the... ...questions, we’re building AI features that... ...AI, evaluate new tools and models, and continually... ...and LangSmith Open-source work, public...PlatformFull timeLocal areaRemote workRelocationHome office- MENFEM is seeking its first engineering hire in San Francisco to build core infrastructure for real-time content generation. This role offers a unique opportunity to work directly with founders and define technical architecture from day one. Ideal candidates will have...Platform
- EffiGov is seeking a founding engineer to help build the EffiGov platform and team in San Francisco. You’ll ship features, design scalable architectures, implement cutting-edge tools, and mentor new engineers as the company grows. You’ll balance scrappy delivery with elegant...Platform
$350k
...intelligence. We're building a future where... ...the knowledge and tools to make AI work for their... ...are scientists, engineers, and builders who... ...and Character.ai, open-weights models like... ...as popular open source projects like PyTorch... ...robust, scalable platforms....PlatformFull timeImmediate startVisa sponsorshipWork visaRelocation packageFlexible hours
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