Deployed Engineer, Professional Services (San Francisco)

LangChain builds open-source frameworks and platforms for building, evaluating, deploying, and operating intelligent agents at scale. The Deployed Engineer will work with enterprise customers to design, build, evaluate, and deploy reliable production agent systems, providing architectural guidance or embedding directly with customer engineering teams.

Responsibilities:

• Advising: Agent architecture design, evaluation strategy review, and best-practice production guidance
• Building: Co-build with the customer's engineering team across the full Agent Development Lifecycle (ADLC) in outcome-scoped engagements
• Embedding: Serve as a deployed engineer inside the customer's team for extended engagements, operating as a de facto member of their org to ship agent systems directly
• Agent Engineering: ADLC end-to-end, architecture design, orchestration patterns, evals, custom conversational UIs, and production deployment
• Applied AI: Post-training, supervised fine-tuning, harness engineering, trace mining, model selection and evaluation methodology