Open Source Engineer Jobs

Build and scale the core backend systems, APIs, and developer tools that power Kernel's AI agent platform as a founding backend engineer on a small, fast-moving team.

Lead the engineering and community growth of an open source security infrastructure platform, focusing on secrets management, PKI, PAM, and developer-facing tooling across the Americas.

Inclusive & Diverse

Feedback Forward

Collaboration over Competition

Growth & Learning

A six-month, full-time Research Residency at OpenAI in San Francisco for technical builders and researchers who want hands-on mentorship and the opportunity to rapidly contribute to frontier AI research.

Build and scale cross-platform, high-performance mobile experiences for a global product as a senior Mobile Engineer focused on React Native and native platforms.

Serve as the technical bridge between customers and research at Oumi by designing, training, and deploying ML solutions on an open-source-first AI platform.

Work on Gram's MCP cloud platform as a full-stack product engineer, owning features end-to-end to make it easy for developers to connect AI, APIs, and code safely at scale.

Work as a cross-functional Content Engineer at Nuon to build production features and create high-quality technical content that showcases BYOC to developers and customers.

Customer-Centric

Mission Driven

Collaboration over Competition

Growth & Learning

Vercel is hiring a senior Mobile Engineer to architect and build iOS and Android apps, contribute to React Native open-source libraries, and create high-polish, performance-driven mobile experiences across Vercel and v0.

Langfuse seeks a hands-on Solutions Architect in San Francisco to guide technical customers through onboarding, observability, and scaling of LLM applications.

Build and maintain Supabase’s documentation site, content pipelines, and Docs AI tooling to create an exceptional developer experience across our open-source ecosystem.

Inclusive & Diverse

Collaboration over Competition

Growth & Learning

Mission Driven

Transparent & Candid

Lead the development of ergonomic, open-source SDKs and fullstack integrations for Coinbase's CDP APIs to onboard the next wave of developers to crypto.

Lead product engineering for developer-facing video experiences, building SDKs, player integrations, and onboarding flows that make Mux delightful and easy to adopt.