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$240,000 – $300,000
Listed on LangChain’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
Lead LangChain's SmithDB team, a greenfield database system built for AI observability. You'll write Rust code, own architectural decisions, and manage a small systems engineering team while staying deeply technical.
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
- 7+ years in systems or database engineering
- 2+ years in a technical lead or engineering management role
- Production Rust experience
- Deep understanding of database or storage engine internals
- Systems performance analysis proficiency
- Kubernetes production deployment experience in multi-tenant environments
- Cloud object storage familiarity
- Proven track record managing engineers
Nice to have
- Columnar storage format experience (Parquet, Arrow)
- OLAP query engine or time-series store experience
- Observability infrastructure or tracing pipeline background
- Experience scaling systems to hundreds of billions or trillions of records