Head of Engineering

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 DoctorOur 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.About the RoleWe are hiring multiple Heads of Engineering to own and scale core product domains: Consultant, Integrations, Mobile, and Platform. Each role has full technical and execution ownership for its surface area.Key ResponsibilitiesOwn end-to-end engineering execution for your domain, from architecture and roadmap through delivery and reliability.Drive step-function latency reductions, targeting at least 50 percent improvements across note generation and decision-support workflows where applicable.Design and operate robust observability, metrics, and model-selection systems to ensure consistent performance at scale.Lead domain-specific execution rituals, including daily and weekly standups, backlog ownership in Linear, and tight cross-functional coordination.Translate product goals into clear dependencies, timelines, and deliverables to keep teams unblocked and shipping.Operationalize continuous quality evaluation pipelines to improve accuracy, completeness, and reliability of outputs.Set and enforce engineering best practices across your stack, including code quality, reviews, on-call standards, and operational rigor.Hard Requirements7+ years of startup/founding experience in a high-growth early-stage start-up, or founder/co-founder experience bringing SaaS products from ideation to enterprise scale.Experience in high-intensity environments such as YC-backed startups, early-stage companies, or zero-to-one teams where speed and judgment matter.Comfort with ambiguity. You turn incomplete product direction into clear technical plans and ship without a heavy process.Bias toward leverage and simplicity. You choose durable solutions and know when to optimize versus when to ship.Key Results (First 90 Days)Take full ownership of the assigned engineering domain.Ensure end-to-end observability and alerting for core workflows.Define the domain's key performance, reliability, and quality metrics.Identify and ship at least one high-impact improvement.Establish execution cadence, priorities, and quality standards.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