Mastra is the open-source TypeScript framework for building AI agents. Backed by Y Combinator and Spark Capital, the small, fully remote team has raised $35M and achieved 27k+ GitHub stars and 1M+ weekly npm downloads in under 18 months.
Collaborate with customer teams building production agent systems, designing and implementing agents, and improving reliability and scaling.
Turn recurring customer challenges into open-source improvements, fixing performance issues and shipping new primitives.
Work at the intersection of customer-facing engineering and core platform design, compressing the feedback loop between production usage and framework development.