LangChain14.05.2026

Principal Software Engineer, AI Observability & Evals Platform

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Полная занятостьОфис

Обязанности

01Lead architectural decisions across our Go, Python, and TypeScript stack
02Work across the full stack, owning features end-to-end from backend services and APIs through to frontend product experiences
03Drive tracing, monitoring, and evaluation workflows at scale
04Help shape the product roadmap by partnering closely with product and design
05Set engineering standards for the team: define patterns, lead code reviews, and establish the foundations others build on
06Mentor and grow engineers at all levels through code review, design feedback, pairing, and ongoing technical guidance
07Drive projects from ambiguity to delivery while maintaining high engineering standards
08Troubleshoot and resolve production issues with a root-cause mindset
09Ensure system reliability through strong testing, monitoring, and alerting practices
10Create and maintain technical documentation, including system design docs and API references

0110+ years of professional experience in backend or fullstack engineering on highly complex, production systems
02Strong programming skills across multiple parts of the stack: backend (Python and/or Go) and frontend (TypeScript, React, or similar)
03Demonstrated experience making and owning architectural decisions
04Experience with high-throughput or mission-critical systems
05Depth in operationalizing technical work — taking systems from prototype to production
06Demonstrated track record of mentoring engineers and raising the technical quality of a team
07Strong communication skills and comfort operating cross-functionally with product, design, and engineering leadership
08Customer centricity and an ownership mentality