Member of Technical Staff, TypeScript Engineer (Principal)
Principal TypeScript engineer owning end-to-end platform features for AI agent building, from API design and SDKs to UIs. Requires 4+ years TypeScript experience, full-stack fluency, system design skills, and high ownership.
About the job
Responsibilities
- Own platform features end-to-end: architect, build, and maintain critical systems that customers depend on.
- Lead technical and team direction: serve as a leader and resource.
- Shape the developer experience: design APIs, SDKs, and tools that developers love to use.
- Build at the frontier and in public: work on cutting-edge agentic systems and contribute to open source.
- Influence product direction with technical and product insights.
- Work directly with customers to understand AI agent building and design solutions.
Requirements
- Strong TypeScript expertise: 4+ years building full-stack products with TypeScript, deep understanding of end-to-end web fundamentals.
- System design skills: architect APIs and systems that are elegant, scalable, and developer-friendly.
- Product thinking: care about end-user experience and how people use what you build.
- Full-stack fluency: comfortable working across the stack, from APIs to SDKs to UIs.
- High ownership: own problems end-to-end.
Nice-to-Haves
- Experience building with AI (prompts, evals, RAG, agentic workflows, etc.).
- Background in developer tools or B2B SaaS products.
- Open source contributions or public projects.
- UX or design sensibility.
Skills
TypeScript, APIs, SDKs, System Design, Full-Stack, JavaScript, React, Node.js, AI Agents, RAG
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