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

📋 Description

• Design, develop, and maintain backend services and APIs to support LangSmith’s tracing, monitoring
• Collaborate on architectural decisions to ensure systems are performant and maintainable.
• Optimize storage and query performance for high-volume observability and evaluation data.
• Ensure system reliability through strong testing, monitoring, and alerting practices.
• Troubleshoot and resolve production issues, performing root-cause analysis and implementing
• Create and maintain technical documentation, including system design and API references.

🎯 Requirements

• 5+ years of professional experience in backend engineering working on highly complex products
• Proficiency in one or more backend languages/frameworks, ideally Python or Go
• Strong understanding of API design and building reliable data services.
• Experience with high-throughput or mission-critical systems.
• Demonstrated ability to optimize backend services for performance and reliability.
• Experience with database systems (Postgres, Redis, Clickhouse), and cloud platforms (AWS, GCP

🎁 Benefits

• medical, dental, and vision coverage
• flexible vacation
• 401(k) plan
• meals on in-office days in the US