Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)
Core
Building backend systems for LangSmith, a platform for observability, evaluation, and production reliability of AI agents.
Role type
Senior Backend Software Engineer
Builds
Core services for tracing, monitoring, and evaluation workflows for AI applications
Domain
AI/LLM infrastructure, Observability, Evaluation
Deliverable
production ML models | product features
Required skills
Backend engineering, API design, High-throughput systems, Performance optimization, Database systems, Cloud platforms
Preferred skills
Python, Go, Fullstack engineering, Frontend engineering, Debugging production issues
Technologies
Python, Go, Postgres, Redis, Clickhouse, AWS, GCP, Azure
Responsibilities
Design and maintain backend services and APIs, Optimize storage and query performance, Ensure system reliability through testing and monitoring, Troubleshoot production issues, Create technical documentation, Collaborate on feature rollouts
Seniority
Senior, hands-on IC