Senior Fullstack Engineer, AI Observability & Evals Platform
Core
Design and implement key product features for LangSmith, the core platform for AI observability, evaluation, and production reliability.
Role type
Senior Fullstack Engineer (Platform)
Builds
LangSmith platform (observability, evaluation, deployment, fleet management, sandboxes)
Domain
AI/LLM infrastructure, developer tools, observability
Deliverable
production ML models | product features
Required skills
Go, Python, React, TypeScript, Postgres, Redis, API design, scaling high-performance systems
Preferred skills
AI/LLM-powered applications, developer tools, observability platforms
Responsibilities
Lead technical architecture and implementation of key product features; Collaborate with product and design teams to iterate on new features; Drive aggressive project timelines while maintaining high engineering standards; Write clean, maintainable, and well-tested code
Seniority
Senior, hands-on IC
