Customer Engineer

The role

This role blends forward deployment and core engineering. You will work directly with teams deploying agents in production and translate what you learn into improvements in the Mastra framework.

What you will do

• Collaborate directly with customer teams building real agent systems
• Design and implement agents alongside their engineers
• Improve reliability, eval strategies, monitoring, and scaling approaches
• Help teams move from prototype to durable systems
• Train and upskill customers to become Mastra experts
• Share patterns and best practices across accounts
• Turn recurring customer challenges into OSS improvements
• Fix reliability and performance issues
• Ship new primitives and refine existing ones
• Contribute to roadmap direction through firsthand production insight

Required qualifications

• Have built and operated AI systems in production
• Can move from implementation details to system-level thinking
• See patterns where others see one-off issues
• Care deeply about developer ergonomics
• Prefer ownership over narrow scope
• Comfortable moving between hands-on customer collaboration and foundational platform design

Before you apply

• Intro call with our recruiter
• Hiring Manager Interview with Shane Thomas
• Peer Interview with a customer engineer
• Take-home project and project review with our customer engineering team

About the company

Mastra is the open-source TypeScript framework for building AI agents. Built by the team behind Gatsby, backed by Y Combinator and Spark Capital.