Principal Software Engineer, AI Observability & Evals Platform
LangChain
Boston
Workplace: OnsiteFull timeUSD 230,000 - 270,000 annuallyFunction: Software EngineeringExperience: 10+ yearsSkills: ["Python","Go","TypeScript","React","APIs","Architecture","Mentoring","Communication"]Lead architectural decisions across a Go, Python, and TypeScript stack while delivering end-to-end features for a platform focused on observability, evaluation, and reliability of AI systems. Mentor engineers, raise engineering standards, and drive reliability, tracing, and performance at scale, shaping the product roadmap in collaboration with product and design.

