# Sales Engineer (Bay Area)

**Company:** [LangChain](https://hotfix.jobs/companies/langchain)
**Location:** San Francisco, CA
**Role:** Sales Engineering
**Salary:** $185k – $315k/yr
**Experience:** 3+ years
**Skills:** Python, JavaScript, LangChain, LangGraph, LLMs, AWS, GCP, Azure, Kubernetes, Llm Evaluation, Observability, Guardrails
**Posted:** 2026-05-14

> Sales Engineer co-architects and builds production AI agents with customers, owns pre-sales technical wins via POCs and demos, and provides post-sale advisory on deployment and operations. Requires 3+ years technical experience, strong Python/JavaScript, and agent/LLM design skills; 40% travel.

## Job Description

## What You’ll Do
- Co-architect and co-build production AI agents with customer engineering teams
- Own the technical win in pre-sales by designing POCs, answering deep technical questions, and guiding evaluations
- Help customers deploy and operate agent-based applications such as conversational agents, research agents, and multi-step workflows
- Advise customers post-sale on architecture, best practices, and roadmap-level decisions
- Run technical demos, trainings, and workshops for developer audiences
- Surface field feedback and contribute reusable patterns, cookbooks, and example code that scale across customers
- Occasionally contribute code upstream when it meaningfully improves customer outcomes
- This role requires 40% travel to customer sites

## What You’ll Bring
- 3+ years in a relevant technical role (software engineering, customer engineering, solutions engineering, founding/product engineering), ideally in a startup or scale-up
- Strong **Python**, **JavaScript** and systems fundamentals
- Have designed agent-based or LLM-powered applications beyond simple API calls, including multi-step workflows, orchestration, and failure handling
- Are comfortable working directly with customers during POCs, architecture reviews, and technical evaluations
- Can explain technical tradeoffs clearly and build trust with developer audiences
- Take responsibility for outcomes, not just recommendations
- Have a bias toward action and enjoy figuring things out as you go
- Are excited about operating AI agents in production, not just building demos

## Nice to Have’s
- You’ve deployed AI agents in production, especially using **LangChain**, **LangGraph**, or similar frameworks
- Worked with LLM evaluation, observability, or guardrails
- Have experience with cloud environments (**AWS**, **GCP**, **Azure**), containers, and basic **Kubernetes** concepts
- Have shipped and operated production software and are comfortable owning systems under real-world constraints

## Compensation
Annual OTE range: **$185,000–$315,000 USD**

## Similar roles

- [Solutions Engineer](https://hotfix.jobs/jobs/a9a1c6d9-e5ab-4fb9-b8da-48817bc5241e) - Scale AI - Washington, DC - $185k – $220k/yr
- [Solutions Engineer, Robotics](https://hotfix.jobs/jobs/04041fe9-83b2-40bf-a71b-f28b20178708) - Scale AI - San Francisco, CA - $180k – $225k/yr
- [Technical Specialist, Claude Code](https://hotfix.jobs/jobs/c3a7a232-5d23-4537-81a6-fc5a3052e23b) - Anthropic - San Francisco, CA - $180k – $365k/yr
- [Solutions Engineer](https://hotfix.jobs/jobs/a3d39b57-8e2f-405d-a244-4a8bc349b734) - Layer Health - Boston, MA - $180k – $200k/yr
- [AI Solutions Engineer](https://hotfix.jobs/jobs/8c7fe362-74bd-4e0f-8327-2658f0791ed1) - Scribe - San Francisco, CA - $180k – $225k/yr

**Apply:** https://hotfix.jobs/jobs/e31e7980-a88b-436f-9fe1-77120237b1b2
**Canonical:** https://hotfix.jobs/jobs/e31e7980-a88b-436f-9fe1-77120237b1b2