About the role
Member of Technical Staff, Core at Brainbase Labs in San Francisco. On-site, full-time. Posted August 13, 2026.
About Brainbase
Brainbase is building the primitives for the next 1B agents.
We power internal agents across government, Fortune 500, frontier labs and hyper-growth startups. Teams use our configurable primitives such as evals, observability, router, authentication, permissions, sandboxes, harnesses and more to deploy internal agents at scale securely. We support 8+ harness and 50+ models, including sovereign deployments.
Launches
Take a look at some of our previous launches to get an idea of what we’re working on:
Brainbase platform: https://brainbaselabs.com/blog/brainbase-is-now-ga
Universal Managed Agents API: https://brainbaselabs.com/blog/universal-managed-agents
Universal Agent Protocol (UAP) (open-source): universalagentprotocol.io
About the role
Brainbase is a platform-of-platforms, meaning it supports all the components a team needs to stand up their internal agents. These include supporting all publicly available harnesses, frontier and open-source models, as well as creating primitives for intelligent routing, cost controls, evaluations, payments and more. You would primarily be contributing to building and improving our set of core primitives.
Prefer to apply yourself? Apply on Brainbase Labs’s site
Quick answers
Where is this job based?
San Francisco. The role is on-site.
How do you apply?
Apply on Brainbase Labs’s site using the link on this page. With a free Jobmagic account you can see how well you fit first.
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