AI Engineer
MastraVisit Mastra website
Mastra is an active AI developer-tooling company building an open-source TypeScript framework and platform for creating, deploying, observing, and improving AI agents.
Maintainer signals as of 9/25/2026
San Francisco, United States
Funding history
About Mastra
Mastra provides TypeScript-native agents, workflows, memory, tools, evaluation, observability, Studio, Server, Agent Builder, and Factory products for AI application development and operations.
Skills
About the Role
You will build tools that help developers understand agent traces, evaluate agent behavior, and turn results into improvements. You will run experiments and benchmarks on AI-agent primitives, investigate performance gaps, and use your findings to improve configurations and product capabilities.
Requirements
- Experience shipping agents and agentic applications into production
- Experience tuning agents to improve accuracy
- Ability to benchmark results against existing datasets or create datasets intelligently
Responsibilities
- Build tools for understanding traces, evaluating agent behavior, and turning results into improvements
- Run experiments on agent primitives and benchmarks
- Investigate performance strengths and gaps
- Improve agent configuration and behavior based on evaluation findings
- Turn research findings into capabilities developers can use
Benefits
- Fully remote work