LangChain
Deployed Engineer, Professional Services (NYC)
$150K–$300K
New York, NY · Hybrid · Full-time · Posted Oct 9, 2026
- Experience
- 4+ years of software engineering experience and 2+ years of hands-on production agent systems experience.
About the job
Works with enterprise customers to design, build, and deploy reliable production AI agent systems, either as an advisor, co-builder, or embedded engineer.
What you'll do
- Advise customers on agent architecture, evaluation strategies, and production best practices.
- Co-build agent systems across the Agent Development Lifecycle, including orchestration, evaluations, conversational UIs, and deployment.
- Embed with customer teams to ship agent systems and support applied AI work such as post-training, trace mining, and model evaluation.
What they ask for
- 4+ years of software engineering experience with deep expertise in Python.
- 2+ years of hands-on experience building and shipping production agent systems.
- Experience with LangChain/LangGraph/Deep Agents or comparable frameworks, including multi-agent patterns and state management.
- Deep familiarity with evaluation methodologies for non-deterministic AI systems; strong client-facing communication skills and willingness to travel up to 20% are also required.
Nice to have
- Exposure to dataset curation and post-training techniques (SFT, DPO, RLHF) on open-weight models using tools such as Axolotl, Unsloth, Hugging Face transformers, or TRL.
- Experience with trace mining to drive continuous improvement loops.
Pay
$150,000-$300,000 USD base salary
Tools
Python, TypeScript/JavaScript, LangChain, LangGraph, Deep Agents, Axolotl, Unsloth, Hugging Face transformers
AI focus
Build and deploy production agents; develop evaluation methodologies and agent architectures; support post-training, supervised fine-tuning, harness engineering, trace mining, model selection, and evaluation.
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