Deployed Engineer (AI)

Location: London, United Kingdom; On-site

Company

LangChain builds open-source frameworks and a platform for building, evaluating, deploying, and operating AI agents at scale.

What you will do

• Co-architect and co-build production AI agents with customer engineering teams.
• Own the technical win in pre-sales by designing proofs of concept, answering technical questions, and guiding evaluations.
• Help customers deploy and operate conversational agents, research agents, and multi-step workflows.
• Advise customers on architecture, best practices, and roadmap-level decisions after deployment.
• Run technical demos, training sessions, and workshops for developer audiences.
• Share field feedback and contribute reusable patterns, cookbooks, example code, and occasional upstream improvements.

Requirements

• 3+ years of experience in software engineering, customer engineering, solutions engineering, founding engineering, or product engineering.
• Strong Python, JavaScript, and systems fundamentals.
• Experience designing agent-based or LLM-powered applications with multi-step workflows, orchestration, and failure handling.
• Experience working directly with customers during proofs of concept, architecture reviews, and technical evaluations.
• Experience deploying AI agents in production, ideally with LangChain, LangGraph, or similar frameworks.
• Experience with cloud environments, containers, basic Kubernetes concepts, and production software operations.

Nice to have

• Experience in a startup or scale-up.
• Experience with LLM evaluation, observability, or guardrails.

Culture & Benefits

• Hands-on work at the intersection of engineering, product, and go-to-market.
• Direct collaboration with customer engineering teams across the full product lifecycle.
• Competitive base salary, variable compensation where relevant, equity, benefits, and perks.
• Locally competitive benefits for team members in the EU, UK, and APAC.
• Medical, dental, and vision coverage, flexible vacation, and other regional benefits.

Hiring process

• Scope and compensation are discussed based on demonstrated impact, technical craft, leadership, and communication.
• Compensation alignment takes place before the offer stage.