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.
180k – 250k/yr
On-site4+ YOEFullstack Engineering
About the role
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.
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