LangChain

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

LangChain
Apply
9 months ago
Boston, MA, USA +2 moreSenior
H1B sponsor

Base Salary

$175k - $225k/yr

Responsibilities

  • Design, develop, and maintain backend services and APIs for tracing, monitoring, and evaluation workflows.
  • Collaborate on architectural decisions to build performant and maintainable systems.
  • Optimize storage and query performance for high-volume observability and evaluation data.
  • Improve reliability through testing, monitoring, and alerting practices.
  • Troubleshoot production issues, perform root-cause analysis, and implement long-term fixes.
  • Create and maintain technical documentation, including system designs and API references.
  • Work with full-stack engineers, product managers, and product designers to roll out features.

Requirements

  • 5+ years of professional backend engineering experience on highly complex products.
  • Proficiency in one or more backend languages or frameworks, ideally Python or Go.
  • Strong understanding of API design and reliable data services.
  • Experience with high-throughput or mission-critical systems.
  • Demonstrated ability to optimize backend services for performance and reliability.
  • Experience with Postgres, Redis, ClickHouse, and cloud platforms including AWS, GCP, or Azure.
  • Strong communication and cross-functional collaboration skills.
  • Customer-centricity and an ownership mentality.

Benefits

  • Medical, dental, and vision coverage.
  • Flexible vacation.
  • 401(k) plan.
  • Meals on in-office days in the US.
  • In-person work five days per week in San Francisco, Boston, or New York.
LangChain

About LangChain

201-500 employees

LangChain builds open-source frameworks and a commercial platform for developing, evaluating, deploying, and operating LLM-powered agents and applications. Its LangSmith suite provides observability, testing, deployment, and governance for enterprise AI workloads; customers include Nvidia, LinkedIn, Workday, and Bridgewater. Privately held and headquartered in San Francisco, the company was founded in 2022.

Contact me