Software Engineer, Smithdb

LangChain

San Francisco, CA, United States
Base: $175,000-$240,000 usd; bonus/equity: variabl...
On-site
5+ years systems engineering experience
Strong rust programming proficiency
Database internals knowledge
LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents

Job Summary

  • LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents.
  • The role involves engineering performant Rust code for ingestion and query execution while optimizing for cost and speed.
  • Team members contribute to a fast-moving environment where they can shape how technology shows up in the real world.

Matching Summary

LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents.

Salary

Base: $175,000-$240,000 USD; Bonus/Equity: Variable compensation and meaningful equity included; Benefits: Medical, dental, vision, flexible vacation, 401(k), meals

Skills & Requirements

Must-have

  • 5+ years systems engineering experience
  • Strong Rust programming proficiency
  • Database internals knowledge
  • Systems performance analysis skills
  • Kubernetes deployment experience

Nice-to-have

  • Experience with C++ or other systems languages
  • Familiarity with cloud object stores like S3
  • Background in query execution engines
  • Knowledge of async runtimes
  • Experience with multi-tenant architectures

Key Requirements

  • 5+ years in systems/database engineering
  • Strong experience in Rust or C++
  • Proficiency in memory allocation and CPU profiling

Work Rights

Not specified

Tailored Resume

Cover Letter