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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 a small, high-impact systems engineering team building SmithDB, LangChain's custom database for AI observability. This hands-on role combines technical depth in distributed systems and Rust with team management, architectural leadership, and shipping performance improvements to production.
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 systems or database engineering experience
- 2+ years in technical lead or engineering management role
- Production Rust code writing and review
- Database or storage engine internals knowledge
- Systems performance analysis capability
- Kubernetes production deployment and operation experience
- Cloud object storage familiarity
- Track record managing engineers
Nice to have
- Columnar storage formats like Parquet or Arrow
- OLAP query engines or time-series database experience
- Observability infrastructure or tracing pipeline experience
- Experience scaling systems to hundreds of billions or trillions of records