Founding AI Research Scientist - Optexity (USA)
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At a glance
Requirements
Credentials this posting asks for.
Job overview
BridgeHealthAI is hiring a Founding AI Research Scientist - Optexity (USA). Optexity, a product-driven research lab within BridgeHealthAI, seeks a founding AI Research Scientist to work with proprietary clinical data, build and evaluate clinical reasoning models, design benchmarks, and publish findings, while owning end‑to‑end pipelines and tackling open‑ended problems in a fast‑moving startup environment.
Key focus areas include Work with proprietary clinical data to surface insights that shape model and product direction, Build clinical reasoning models that improve physician and clinic workflows, and Design and publish benchmarks exposing LLM shortcomings on real clinical reasoning.
Successful candidates bring Master's Or Higher In Machine Learning Or Related Field. Important skills include Research Experience, Model Training, Python, Clinical Reasoning Modeling, Benchmark Design, and Computer‑Use Model Evaluation. Preferred (not required): Ownership, Founder Experience, Product Taste, and Healthcare Dataset Experience.
Skills & qualifications
Skills
Qualifications
Full job description
About Optexity Optexity is a product-driven research lab building clinical reasoning and computer use models on data no other lab can reach. We deploy directly inside clinics and hospitals — including systems with no APIs, using integration infrastructure we've built and open-sourced — and in return become their preferred partner. That gives us proprietary clinical reasoning trajectories from practicing physicians, and a feedback loop between real patient encounters, our models, and the products built on top of them.
We're a small, fast-moving founding team with multiple published papers in NeurIPS, ICML, CVPR etc and background from Apple, Amazon, Microsoft, CMU, IIT.
We are backed by world-class investors and leaders like Jeff Dean, Neotribe VC, PearVC, Together Fund and Zapier Fund.
How we work
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Customer obsession — we start with the customer and work backwards
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Intellectual honesty — ideas matter more than titles; we communicate directly and assume good intent, even in disagreement
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Bias for action — we build and learn with customers rather than debate in the abstract
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Extreme ownership — we own outcomes, not just tasks, and see problems through
Why this role exists
Most research roles at this stage hand you a dataset everyone already has and ask you to be marginally better than the last person who tried. Here you get data nobody else has — real clinical reasoning trajectories from practicing physicians — and the room to figure out what to do with it. This is a founding research hire: you'll define the agenda as much as execute it, with direct founder access, real compute, and nothing between an idea and an experiment.
What you'll do
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Work with real, proprietary clinical data from hospital and clinic partners to surface insights that shape model and product direction
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Build clinical reasoning models that improve physician and clinic workflows
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Design and publish benchmarks that expose where current LLMs fall short on real clinical reasoning
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Evaluate computer-use models on real-world tasks
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Own the training and evaluation pipeline end to end
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Take open-ended problems from question to working model, with minimal predefined structure
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Write up findings as technical reports and papers
Ideal candidate
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Has real research experience — can define a problem, not just execute a known one
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Has trained models before (not just fine-tuned APIs) and is fluent in Python
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Master's or higher in ML or a related field
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Energized by open-ended problems and ambiguity
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Wants to publish, not just ship
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Takes ownership without needing to be guided
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Genuinely wants a startup over big tech — speed and ambiguity as defaults, not exceptions
Nice to have
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Prior founder or founding-engineer experience
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Strong product taste
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Worked on healthcare datasets before
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Built LLM-powered products before
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Ambitions to start your own company someday — we'll support that path
What you get
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Direct, daily work with the founders, plus exposure to board and investor conversations
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Real ownership of technical direction, with scope that grows as the company does
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Full compute and data to do the work properly
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Competitive salary and meaningful equity
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Visa sponsorship available
You've read the whole posting — now see how you match it.