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
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Sully requires A-players capable of 4 months = 1 year output. _
This role is structured as a Contract-to-Hire position with a 60-day trial period.Sully.aimaintains an exceptionally high performance bar, and this structure ensures mutual alignment before transitioning to full-time.
What You'll Do
- Architect and implement cross-agent systems that power core Sully.ai experiences.
- Build and scale full-stack product components using TypeScript/React and Python services.
- Integrate LLMs into production workflows with strong contracts, observability, and test coverage.
- Develop shared UI components and typed SDKs to unify cross-agent experiences.
- Lead engineering direction, collaborating with founders and cross-functional stakeholders.
What You _
Must _
Bring
- Senior-level full-stack experience in React, TypeScript, and Python.
- 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.
First-Month Focus
- 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.
90 Day OKRs
Deliver end-to-end tested, production-grade agentic workflows with <5% error rates.
Launch cross-agent design system and SDK used by at least 2 internal teams.Establish weekly deploy and measure cadence with performance metrics and error budgets.
If you've ever said,
I want to do work that actually matters, this is it. Let's build something life-changing, together.
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 JoinSully.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. 
