Sully.ai is hiring a
Remote Staff Software Engineer Full Stack & AI Systems
About Us\nAt 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.\nOur 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.\nOur Traction* 450+ organizations signed 16 months\n* AI agents cut admin by ~2.8 hours daily and reduce onboarding 85%.\n* 5M+ Clinical Tasks completed to date, serving 36+ specialties.\n* Raised $25M from YC, Eric Yuan, Amity, Semper Virens\n* Patented AI architecture (MedCon-1) outperforms GPT-4.5, Gemini, Claude on clinical reasoning tasks\n\nSully requires A-players capable of 4 months = 1 year output.About the Role\nWe are seeking a Staff Software Engineer to architect and scale Sully.ai’s platform-level agentic AI systems within our Engineering Research team. This role combines full-stack engineering excellence with deep expertise in LLM-powered experiences. You’ll design, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close collaboration with our co-founders. Your work will directly shape the reliability, speed, and cohesion of Sully.ai’s multi-agent ecosystem.What You'll Do:* Architect and implement cross-agent systems that power core Sully.ai experiences.\n* Build and scale full-stack product components using TypeScript/React and Python services.\n* Integrate LLMs into production workflows with strong contracts, observability, and test coverage.\n* Develop shared UI components and typed SDKs to unify cross-agent experiences.\n* Lead engineering direction, collaborating with founders and cross-functional stakeholders.\n\nWhat You Must Bring:* Staff/Principal-level full-stack experience in React, TypeScript, and Node.\n* Proven ability to design, ship, and scale LLM-powered applications.\n* Expertise in API design, streaming, and CI/CD pipelines.\n* Strong cloud infrastructure background (AWS, GCP, or Azure).\n* Track record of building reliable systems with measurable performance and error budgets.\n\nNice-to-Have* Experience with WebRTC or audio-aware UI design.\n* Hands-on work with agentic AI frameworks.\n* History of creating design tokens, SDKs, or cross-agent platforms.\n\nFirst-Month Focus* Audit current cross-agent flows for UI/UX cohesion.\n* Implement shared components and typed contracts for reliability.\n* Establish instrumentation for frontend performance and model round-trip tracing.\n\nSuccess OKRs (90 Days)* Deliver end-to-end tested, production-grade agentic workflows with <5% error rates.\n* Launch cross-agent design system and SDK used by at least 2 internal teams.\n* Establish weekly “deploy and measure” cadence with performance metrics and error budgets.\n\nIf you’ve ever said, “I want to do work that actually matters”, this is it. Let’s build something life-changing, together.\n\nWho Thrives Here* Entrepreneurial to your core: You think in outcomes, thrive in chaos, and take ownership without limits\n* Mission-obsessed: You’re here to save lives, not just ship features — patients and doctors are your why.\n* Impact-driven & fast-moving: You sprint toward hard problems and ship with sharp judgment.\n* Elite teammate: You raise the bar through high standards, direct feedback, and craft excellence.\n\nWhy Join Sully.ai?\n🔥 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 careSully.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. \n\n#Salary and compensation\n
$200,000 — $230,000/year\n
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