Applied Research Engineer

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We’re Building the Most Impactful Healthcare Company on Earth We believe that access to a great doctor is a basic human right. Today, that’s not a reality. Delays, misdiagnoses, administrative chaos, and burnout plague the system.

One Human, One Doctor. We build AI teammates that augment clinicians—scribes, nurses, receptionists, translators— all powered by our own world‑class models and deployed in real‑world care.

• 450+ organizations signed 16 months
• AI agents cut admin by ~2.8 hours daily and reduce onboarding 85%
• 5M+ Clinical Tasks completed to date, serving 36+ specialties
• Raised $25M from YC, Eric Yuan, Amity, Semper Virens
• Patented AI architecture (Med Con‑1) outperforms GPT‑4.5, Gemini, Claude on clinical reasoning tasks

Sully requires A-players capable of 4 months = 1 year output.

Build and scale automated evaluation pipelines (LLM‑as‑judge + human review) with clinical‑grade benchmarks.

• Proven experience designing agentic processes and LLM evaluation/benchmarking frameworks.
• Strong Python and ML background (PyTorch/Tensor Flow, Hugging Face, Lang Chain/Llama Index).
• Demonstrated ability to design rigorous experiments and translate findings into production.
• Track record of published research or deep applied work in LLMs and agent evaluation.
• Strong communication and technical writing skills to articulate complex findings clearly.

• Audit existing evaluation approaches for clinical and agentic tasks.
• Define initial benchmarks and build early automated pipelines.
• Partner with engineering to land first set of CI gates for accuracy, factuality, and safety.

• Deliver a repeatable evaluation framework with automated pipelines in production.
• Demonstrate measurable improvements in robustness, hallucination reduction, or safety.
• Publish or present internal research findings that directly shape product reliability.

• Entrepreneurial to your core:
  You think in outcomes, thrive in chaos, and take ownership without limits.
• Mission‑obsessed:
  You’re here to save lives, not just ship features—patients and doctors are your why.
• Impact‑driven & fast‑moving:
  You sprint toward hard problems and ship with sharp judgment.
• Elite teammate:
  You raise the bar through high standards, direct feedback, and craft excellence.

• Revolutionizing the antiquated $800B+ Healthcare market.
• 50%+ of us are ex‑founders. We hire A‑players, not passengers.
• Speed matters - we operate with urgency, autonomy, and ownership.
• You’ll work on real, first‑of‑their‑kind problems at the edge of AI and medicine.
• Your work helps doctors reclaim their time – and patients get better, faster care.

Mid‑Senior level

Full‑time

• Engineering and Information Technology

• Hospitals and Health Care