# Member of Technical Staff, TypeScript Engineer (Principal)
**Company:** [Inkeep](https://hotfix.jobs/companies/inkeep)
**Location:** New York, NY, San Francisco, CA
**Salary:** $180K-$250K
**Experience:** 4+ years
**Skills:** TypeScript, APIs, SDKs, System Design, Full-Stack, JavaScript, React, Node.js, AI Agents, RAG
**Posted:** 2025-08-23
> 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.
## Job Description
## 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.
**Apply:** https://hotfix.jobs/jobs/member-of-technical-staff-typescript-engineer-principal-at-inkeep-0c5445ef-f68f-4c34-9fa3-a7bbdc9a945f
**Canonical:** https://hotfix.jobs/jobs/member-of-technical-staff-typescript-engineer-principal-at-inkeep-0c5445ef-f68f-4c34-9fa3-a7bbdc9a945f