Senior Fullstack Engineer for AI Observability Platform

LangChain is seeking a Senior Fullstack Engineer to join LangSmith onsite in Boston, MA. You will shape the technical direction of our platform and collaborate with enterprise customers and cross-functional teams to deliver scalable features. You will work across Go, Python, and TypeScript, design and scale APIs, and own meaningful parts of the product while shipping high-quality code and mentoring teammates.#J-18808-Ljbffr