Principal Software Engineer, Ai Observability & Evals Platform

LangChain

Boston, MA, United States
Base: $230,000 - $270,000; bonus/equity: variable ...
On-site
10+ years backend or fullstack engineering experience
Python and go programming proficiency
Typescript and react frontend skills
LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents

Job Summary

  • LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents.
  • The role involves driving technical direction across a full stack including Go, Python, and TypeScript while ensuring system reliability at scale.
  • Candidates will mentor engineers, set engineering standards, and partner closely with product and design to shape the roadmap.

Matching Summary

LangChain is building the foundation for agent engineering to help developers move from prototypes to production-ready AI agents.

Salary

Base: $230,000 - $270,000; Bonus/Equity: Variable compensation and meaningful equity included; Benefits: Medical, dental, vision, flexible vacation, 401(k), meals

Skills & Requirements

Must-have

  • 10+ years backend or fullstack engineering experience
  • Python and Go programming proficiency
  • TypeScript and React frontend skills
  • High-throughput system architecture design
  • Mentoring engineers and setting standards

Nice-to-have

  • Experience with Postgres, Redis, ClickHouse
  • Familiarity with AWS, GCP, or Azure cloud platforms
  • Background in AI/LLM infrastructure and eval frameworks
  • Customer centricity and ownership mentality

Key Requirements

  • 10+ years of professional engineering experience
  • Proven track record in architectural decision making
  • Demonstrated ability to optimize performance and reliability

Work Rights

Not specified

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