Deployed Engineer (AI)

Location: Remote within the United States; listed locations include Atlanta, Austin, Boston, Dallas, Denver, Detroit, Las Vegas, Nashville, San Diego, and Seattle.

Salary: $150,000–$215,000 base annually, plus equity.

Company

LangChain develops open-source frameworks and the LangSmith platform for building, evaluating, deploying, and operating AI agents at scale.

What you will do

• Advise enterprise customers on agent architecture, evaluation strategies, and production best practices.
• Translate ambiguous enterprise workflows into concrete software specifications and technical solutions.
• Co-build production agent systems with customer engineering teams across the Agent Development Lifecycle.
• Embed with customer teams for extended engagements and ship agent systems alongside their engineers.
• Design orchestration patterns, multi-agent systems, memory, conversational UIs, evaluations, and production deployments.
• Apply post-training, supervised fine-tuning, harness engineering, trace mining, model selection, and evaluation methodologies.

Requirements

• 4+ years of software engineering experience with deep expertise in Python.
• 2+ years of hands-on experience building and shipping production agent systems.
• Strong client-facing communication skills and the ability to explain architectural decisions to technical stakeholders.
• Strong experience with LangChain, LangGraph, Deep Agents, or comparable frameworks, including multi-agent patterns and short- and long-term memory.
• Deep familiarity with evaluation methodologies for non-deterministic AI systems.
• Ability to work across advisory, co-building, and embedded delivery engagements.

Nice to have

• TypeScript or JavaScript experience.
• Experience with dataset curation and post-training techniques such as SFT, DPO, and RLHF.
• Experience with Axolotl, Unsloth, Hugging Face Transformers, or TRL.
• Experience using trace mining to drive continuous improvement loops.

Culture & Benefits

• Remote work with a customer-facing, embedded delivery model.
• Meaningful equity and competitive compensation.
• Medical, dental, and vision coverage.
• Flexible vacation.
• 401(k) plan and meals on in-office days in the US.