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AI Engineer

MastraREMOTE (AMER or EMEA time zones)

hn-hiring

Mastra is the open-source TypeScript framework for building AI agents (agents, workflows, memory, evals, tracing). From the team behind Gatsby, YC-backed, https://github.com/mastra-ai/mastra
Why:
We’re starting to build more and more agentic features into Mastra: Trace intelligence, and we’re working on various Agent Learning features to automatically self-improve agents (Autoevals + Suggestions, Rollouts).
In addition, we’ve been increasingly running Mastra primitives like memory on industry-standard benchmarks and using the results to fine-tune configuration.
You have:
Shipped agents and agentic applications into production
Tuned and tweaked them to improve accuracy
You need to be able to benchmark your results against existing datasets, or intelligently creating
Apply: {https://jobs.ashbyhq.com/mastra/531a3fe8-556f-4b83-bee7-20374f67f980} We get back to everyone.

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Where this listing came from

  1. 07 Oct 2026Hacker News first sighting

Seen on 1 board over 14 days.