# Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)

Hiring organization: [LangChain](https://career.thegoodapps.co/organizations/langchain)

Canonical page: https://career.thegoodapps.co/jobs/b8d2abdb-01fb-48ae-8fc1-016a9183435d

Listed on LangChain's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Senior
- Location: Boston, NY
- Salary: 175000 – 240000 USD per year

## Summary

Senior backend engineer role building observability and evaluation systems for AI applications at LangChain's LangSmith platform. This suits experienced backend engineers who want to work on high-scale, production-critical systems serving Fortune 500 companies.

_Our summary, not LangChain's wording._

## Skills named

Amazon Web Services (AWS), API Design, ClickHouse, Go, Microsoft Azure, Python, Redis

## Required

- 5+ years professional backend engineering experience
- Proficiency in Python or Go
- API design expertise
- Experience with high-throughput or mission-critical systems
- Database systems experience (Postgres, Redis, Clickhouse)
- Cloud platform experience (AWS, GCP, Azure)

## Nice to have

- Fullstack or frontend engineering familiarity
- Performance tuning expertise
- Production debugging experience

Apply on LangChain's site: https://jobs.ashbyhq.com/langchain/f07c1416-f126-4925-8606-5dd7c5a90f6f/application