BioStack is building the data layer for AI-native healthcare and drug discovery. We work with leading AI labs, human data companies, and frontier biotech teams to source, structure, and deliver high-value clinical and preclinical datasets for model training, evaluation, and deployment.
We sit at the intersection of healthcare, frontier AI, and data infrastructure. Our work spans medical institutions, clinics, imaging centers, and data partners globally, turning messy real-world clinical workflows into AI-ready products that matter.
BioStack is backed by Y Combinator, Afore Capital, Verdict Capital, Heroic VC, and high-profile angels from Meta and Google DeepMind.
You’re entering AI for medicine at the perfect moment
AI labs are moving quickly into healthcare, but the bottleneck is no longer just models. It is access to the right data, in the right format, with the right taste and judgment behind it. This role puts you at the center of that shift.
Work with the world’s best on real problems
You will engage directly with frontier AI labs, human data companies, and medical data providers across the world. Your work will influence how leading teams train and evaluate models on real clinical workflows.
Own deeply hands-on, high-stakes work
This is not a slide-making role. You will be in the weeds with customers and partners, figuring out what data is actually useful, how it should be structured, what quality looks like, and how to get it delivered under real constraints.
Shape what we build next
Your judgment will directly shape BioStack’s clinical data products, sourcing strategy, and customer deployments. This is a foundational role with room to grow into broader customer ownership, product leadership, or strategic operations.
You are high agency, highly reliable, and comfortable operating in ambiguity. You can independently push things forward, build trust quickly, and keep many moving pieces aligned without needing heavy structure.
You’ve already proven you can operate (2+ years):
You likely have:
A strong plus if you:
You do not need a perfect resume.
You do need to show that you can learn fast, operate independently, communicate extremely well, and develop strong judgment on the job.
If you've been the person others come to when things need to get done, if you learn by doing, and if you want ownership over real outcomes — this role is built for you.
While we will develop precise goals based on priority and timelines, you can expect to hit the following milestones in the first 90-days of the job —
Real world training envs for healthcare AI models
Salary
$120,000 - $200,000
Equity
0.1% - 1%
Location
San Francisco, CA
Experience
0+ years
Investors
No applications, no recruiter spam. Just the intro.
A few questions to make sure this role is the right shape for you. Two minutes.
I write the intro, send it to the founder, and handle the back-and-forth.
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.