Senior Software Engineer
About Us
At Sully.ai, 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.
Our Mission: 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.
Our Traction
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 (MedCon-1) outperforms GPT-4.5, Gemini, Claude on clinical reasoning tasks
Sully requires A-players capable of 4 months = 1 year output.
Key Responsibilities
Design, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close collaboration with our co-founders.
Hard Requirements
Senior-level full-stack experience in React, TypeScript, and Node.js
Proven ability to design, ship, and scale LLM-powered applications.
Expertise in API design, streaming, and CI/CD pipelines.
Strong cloud infrastructure background (AWS, GCP, or Azure).
Track record of building reliable systems with measurable performance and error budgets.
Key Results (First 90 Days)
Audit current cross-agent flows for UI/UX cohesion.
Implement shared components and typed contracts for reliability.
Establish instrumentation for frontend performance and model round-trip tracing.
Deliver end-to-end tested, production-grade agentic workflows.
Who Thrives Here
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.
Why Join Sully.ai?
🔥 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
Sully.ai is an equal opportunity employer. In addition to EEO being the law, it is a policy that is fully consistent with our principles. All qualified applicants will receive consideration for employment without regard to status as a protected veteran or a qualified individual with a disability, or other protected status such as race, religion, color, national origin, sex, sexual orientation, gender identity, genetic information, pregnancy or age. Sully.ai prohibits any form of workplace harassment.