Senior Software Engineer

About UsAt Sully.ai, We’re Building the Most Impactful Healthcare Company on EarthWe 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 Traction450+ organizations signed 16 monthsAI 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 VirensPatented AI architecture (MedCon-1) outperforms GPT-4.5, Gemini, Claude on clinical reasoning tasksSully requires A-players capable of 4 months = 1 year output.Key ResponsibilitiesDesign, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close collaboration with our co‑founders.Hard RequirementsSenior-level full-stack experience in React, TypeScript, and Node.jsProven 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 HereEntrepreneurial to your core: You think in outcomes, thrive in chaos, and take ownership without limitsMission‑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