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$145,000 – $180,000
Listed on LangChain’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
You'd be building observability and evaluation features for LangSmith, a production AI platform used by major enterprises and developers. This role suits someone who enjoys fullstack work on developer tools and wants to work directly with high-impact customers while shipping features across Go, Python, and TypeScript.
Our summary, not LangChain’s wording. The full posting is on their site.
Skills this role names
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What they ask for
Required
- 2+ years software engineering on complex platform products
- Fullstack experience with Go or Python backend and React + TypeScript frontend
- Understanding of database systems, particularly Postgres and Redis
- Experience designing and scaling APIs for high-performance, data-intensive applications
- Strong ownership mindset and ability to ship quickly and iterate
Nice to have
- Experience with AI/LLM-powered applications
- Experience with developer tools
- Experience with observability platforms