Deployed Engineer (toronto)

LangChain LangChain · Data AI · Toronto, ON · Deployed Engineering

LangChain is seeking a Deployed Engineer to work with companies building and running AI agents in production. This role involves co-architecting and co-building production AI agents, owning the technical win in pre-sales, and helping customers deploy and operate agent-based applications. The engineer will also advise customers post-sale, run technical demos, and surface field feedback. The role requires strong Python/JavaScript, experience with agent-based applications beyond simple API calls, and comfort working directly with customers. Experience deploying AI agents in production, especially with LangChain/LangGraph, and working with LLM evaluation/observability/guardrails are nice to have.

What you'd actually do

  1. Co-architect and co-build production AI agents with customer engineering teams
  2. Own the technical win in pre-sales by designing POCs, answering deep technical questions, and guiding evaluations
  3. Help customers deploy and operate agent-based applications such as conversational agents, research agents, and multi-step workflows
  4. Advise customers post-sale on architecture, best practices, and roadmap-level decisions
  5. Run technical demos, trainings, and workshops for developer audiences

Skills

Required

  • Python
  • JavaScript
  • systems fundamentals
  • designed agent-based or LLM-powered applications
  • multi-step workflows
  • orchestration
  • failure handling
  • working directly with customers
  • explain technical tradeoffs clearly
  • build trust with developer audiences
  • Take responsibility for outcomes
  • bias toward action

Nice to have

  • deployed AI agents in production
  • LangChain
  • LangGraph
  • LLM evaluation
  • observability
  • guardrails
  • cloud environments
  • containers
  • Kubernetes concepts
  • shipped and operated production software

What the JD emphasized

  • systems that real teams depend on in production
  • technical win
  • operating AI agents in production

Other signals

  • building and running AI agents in production
  • move from prototypes to production-ready AI agents
  • operating agents reliably at scale