FullStack Engineer, AI Observability & Evals Platform (LangSmith)LangChain · San Francisco, CA · United Statesal stakeholders. WHAT YOU WILL DO - Develop and implement key product features working across our entire Go, Python, and Typescript stack - Collaborate closely with product and design teams to iterate on new features and enOn-siteSource last published: Oct 14, 202611 matching rolesShowing 1–11 · source publication ↓ · proxy/unknown last
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FullStack Engineer, AI Observability & Evals Platform (LangSmith)LangChain · San Francisco, CA · United Statesal stakeholders. WHAT YOU WILL DO - Develop and implement key product features working across our entire Go, Python, and Typescript stack - Collaborate closely with product and design teams to iterate on new features and enOn-siteSource last published: Oct 14, 2026Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)LangChain · San Francisco, CA · United Stateshe technical architecture and implementation of key product features for LangSmith, working across our entire Go, Python, and Typescript stack. - Collaborate closely with product and design teams to iterate on new features. -On-siteSource last published: Oct 7, 2026Senior Backend Software Engineer, AI Observability & Evals Platform (NYC)LangChain · New York, NY · United Statesering 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-throughpOn-siteSource last published: Oct 7, 2026Senior Fullstack Engineer, AI Observability & Evals PlatformLangChain · Boston, MA · United Stateshe technical architecture and implementation of key product features for LangSmith, working across our entire Go, Python, and Typescript stack. - Collaborate closely with product and design teams to iterate on new features. -On-siteSource last published: Sep 12, 2026Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)LangChain · Boston, MA · United Statesng on highly complex products - Proficiency in one or more backend languages/frameworks, ideally Python and/or Go - Strong understanding of API design and building reliable data services. - Experience with high-throughpOn-siteSource last published: Sep 12, 2026Software Engineering Manager, AI Observability & Evals PlatformLangChain · Boston, MA · United Stateserience managing or tech-leading teams delivering complex full-stack products - Strong technical background in Go/Python and React/Typescript - Solid understanding of databases (Postgres, Redis and ClickHouse) - ProvenOn-siteSource last published: Sep 10, 2026Developer ProductivityLangChain · San Francisco, CA · United Statesg, or secrets management - SQL fluency for validating data (Postgres, ClickHouse, BigQuery) - Familiarity with Go, Node, or React for targeted white-box tests and improving system testability Compensation - AnnuaOn-siteSource last published: Sep 10, 2026Security Engineer - Detection & ResponseLangChain · San Francisco, CA · United Statessponse — and the software skills to build your way out of repetitive work. - Strong software engineering in Python or Go (TypeScript a plus). You design maintainable systems and write production code, not just one-off scripts. -On-siteSource last published: Aug 17, 2026Senior Product Engineer - Growth & MonetizationLangChain · New York, NY · United Statesty. What you'll do - Lead projects across our stack (React, TypeScript) while working with backend APIs (Python, Go) - Build polished, responsive user interfaces for onboarding, self-serve upgrades, and usage dashboards thaOn-siteSource last published: Jun 10, 2026Senior Backend Software Engineer, AI Observability & Evals Platform (SF)LangChain · San Francisco, CA · United Statesering 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-throughpOn-siteSource last published: Jan 8, 2026Senior Fullstack Engineer, AI Observability & Evals Platform (SF)LangChain · San Francisco, CA · United Stateshe technical architecture and implementation of key product features for LangSmith, working across our entire Go, Python, and Typescript stack. - Collaborate closely with product and design teams to iterate on new features. -On-siteSource last published: Feb 18, 20251602 input records · 1602 source listings. 126 duplicate-content flags retained separately, not hidden or grouped.