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LangChain

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

LangChain
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6 months ago
Boston, MA, USA +2 moreSenior
H1B Sponsor

Base Salary

$175k - $225k/yr

Responsibilities

  • Design, develop, and maintain backend services and APIs for LangSmith's workflows.
  • Collaborate on architectural decisions for system performance and maintainability.
  • Optimize storage and query performance for observability and evaluation data.
  • Ensure system reliability through testing, monitoring, and alerting practices.
  • Troubleshoot and resolve production issues with root-cause analysis.
  • Create and maintain technical documentation for system design and APIs.
  • Work closely with full-stack engineers, product managers, and designers on new features.

Requirements

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

Benefits

  • Medical, dental, and vision coverage.
  • Flexible vacation policy.
  • 401(k) plan.
  • Meals provided on in-office days in the US.