Sales Engineer (AI)

TL;DR

Sales Engineer (AI): Co-architecting and building production-ready AI agents for customers with an accent on technical pre-sales, POC design, and production deployment. Focus on translating complex LLM requirements into scalable architectures and ensuring the technical success of agent-based applications.

Location: On-site in New York, NY. This role requires 40% travel to customer sites.

Salary: $155,000 - $165,000+ Annual OTE

Company

LangChain provides a platform and open-source tools for building, evaluating, and deploying intelligent AI agents at scale.

What you will do

• Co-architect and build production AI agents in collaboration with customer engineering teams.
• Own the technical win in pre-sales by designing POCs and guiding technical evaluations.
• Help customers deploy and operate agent-based applications and multi-step workflows.
• Provide post-sale advisory on architecture, best practices, and product roadmap.
• Conduct technical demos, trainings, and workshops for developer audiences.
• Contribute field feedback and reusable patterns to the platform.

Requirements

• 3+ years in a technical role (Software, Customer, or Solutions Engineering), preferably in a startup.
• Proficiency in Python, JavaScript, and general systems fundamentals.
• Experience designing agent-based or LLM-powered applications beyond simple API calls.
• Comfortable working directly with customers during POCs and architecture reviews.
• Ability to explain technical tradeoffs clearly to developer audiences.
• Must be based in New York, NY.

Nice to have

• Experience deploying production AI agents using LangChain or LangGraph.
• Knowledge of LLM evaluation, observability, or guardrails.
• Experience with cloud environments (AWS, GCP, Azure) and Kubernetes.
• Proven track record of shipping and operating production software.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• Flexible vacation policy.
• 401(k) retirement plan.
• Complimentary meals on in-office days in the US.
• Opportunity to work at a high-growth Series B startup with significant impact.