Backed by Kleiner Perkins.
About the role
This is a net-new, build-first role for someone who wants to own how we evaluate our AI agents end to end. You'll build the harnesses, datasets, judges, and release gates that tell us whether the coach is safe and good, and you'll own both that infrastructure and the evals that run on it. This is not a test-execution role - you write the code and own the system, rather than running tests someone else designed.
What they're looking for
- Significant experience building and shipping reliable production systems and tooling
- A testing mindset applied to building the measurement system, not running tests against a spec: adversarial instinct, coverage thinking, regression discipline, and documentation others can build on
- You use AI in your daily work and build tools that make the people around you more effective
- Enough fluency in statistics and experimental design to partner with a data scientist on calibration and reliability
- Can design the workflow and build a functional UI for non-engineers like clinicians and labelers
- A genuine interest in improving healthcare alongside an interdisciplinary team, with the judgment to tell a launch-blocking issue from a nice-to-have
More about this role
Chronic disease isn't managed in a clinic. It is managed at home, in relationships, in the everyday. What's on the dinner table, what gets said, and who notices when someone's struggling. For the 130 million Americans managing a chronic condition, the healthcare system has offered the same answer for decades: a 15-minute doctor's visit, a pamphlet, and a portal login they'll never use.
At Nuna, we are building an AI health coach that shows up like a person who actually has time: available at 3am, infinitely patient, and never behind a waiting room. We use motivational interviewing to help patients and their families see themselves clearly, design experiments that fit their real lives, and navigate a system that has not historically been on their side. We are building from the ground up around a simple belief: patients don't want to be healthy; they want their lives back.
We're not competing with other health apps. We're competing with the moment a person gives up on getting better. If that's a problem you want to work on, we'd like to talk.
We are a small, interdisciplinary team - engineers, data scientists, designers, product managers, and clinicians - building Nuna's AI health...
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