# Developer Productivity at LangChain

- Company: LangChain
- What the company does: LangChain enables every company to own their intelligence. Control, govern, and compound intelligence with an open agent engineering platform. Backed by Sequoia, IVP and Lux.
- Company website: https://www.langchain.com/
- Type: Startups
- Level: Mid level
- Location: San Francisco, CA
- Work setup: On-site
- Pay: $175K to $240K base salary per year (USD)
- Posted: 2026-09-10
- Apply by: 2026-10-25
- Apply: https://jobs.ashbyhq.com/langchain/e725293d-c27b-4a79-959d-19f5618f2f8e
- Page: https://www.1752.vc/careers/jobs/langchain-developer-productivity/

## About the role

We’re hiring a Software Engineer to join the Infrastructure team and own developer productivity across our LangGraph Cloud/Platform and LangSmith products. You’ll work closely with Infrastructure, Backend, and Frontend teams to ship with confidence across Kubernetes-based services, APIs, and UI flows. You’ll also help pioneer quality practices specific to LLM applications, such as prompt regression testing and evaluation suites.

## What they're looking for

- Strong hands-on experience with Python and testing frameworks such as pytest
- Experience working with CI/CD systems (GitHub Actions preferred) and improving pipeline performance and reliability
- Solid understanding of API testing, mocking/stubbing, and data setup/teardown
- Comfort defining quality standards, writing test plans, and driving cross-team execution

Tags: Engineering