Deployed Engineer (Seattle)

About this role

LangChain is seeking a Deployed Engineer to work hands-on with enterprise customers building and operating AI agents in production. You'll co-architect agent systems, lead technical evaluations, and bridge engineering with go-to-market by helping teams move from prototypes to reliable, scalable deployments using the LangChain platform.

What you'll do

• Co-architect and build production AI agents alongside customer engineering teams
• Own technical wins in pre-sales by designing POCs and guiding evaluations
• Deploy and operate agent applications including conversational systems and multi-step workflows
• Advise customers post-deployment on architecture, best practices, and strategic decisions
• Run technical demos, trainings, and workshops for developer audiences
• Surface field insights and contribute reusable patterns, cookbooks, and example code

What they're looking for

• 5+ years software engineering, customer engineering, or solutions engineering experience
• Python and JavaScript proficiency with strong systems fundamentals
• LLM and agent-based application design beyond simple API calls
• Direct customer engagement and technical evaluation facilitation
• Clear communication of technical tradeoffs to developer audiences
• Production deployment and operations experience
• Bias toward action and ownership mentality
• LangChain/LangGraph, LLM evaluation, observability, and cloud environments (nice-to-have)