Senior Frontend Engineer

SENIOR FRONTEND ENGINEER Doctronic | New York City ONSITE (Hybrid) | Reports to CEO THE MISSION Let's make healthcare free and accessible to everyone through AI. We need frontend engineers to build intuitive, fast interfaces that make complex medical interactions feel simple across web, iOS, and Android. WHAT YOU'LL BUILD Cross-Platform Applications - React web application serving millions of patient consultations - Native iOS app (Swift) and Android app (Kotlin) for optimal performance - Embeddable web product for partner healthcare systems - Shared component libraries and design systems across platforms Patient Experience - Real-time chat interfaces for AI doctor consultations - Medical data visualization (symptoms, medications, health records) - Video/voice consultation interfaces integrated with telehealth systems - Onboarding flows handling identity verification and insurance intake Healthcare Data UI - Complex forms for medical history, medications, insurance information - EHR data display with FHIR-compliant structures - Document generation and PDF rendering for clinical notes - Multi-language support for global accessibility Performance & Accessibility - Sub-second load times for critical patient interactions - Offline-first architecture for unreliable connections - WCAG compliance for healthcare accessibility requirements - HIPAA-compliant data handling in frontend applications You'll also work on AI response streaming, rich text medical documentation, prescription management interfaces, and the foundation for voice/video AI avatars. HOW WE WORK - Engineering-first org: no project managers, just senior engineers - Flat structure with direct CEO reporting and high autonomy - Own features end-to-end from minimal specs to production - AI coding tools encouraged - Ship fast with good judgment; daily standups for alignment, not micromanagement REQUIRED QUALIFICATIONS Education & Background - CS degree OR equivalent demonstrated expertise - Related technical degrees welcomed with strong programming foundation - Preference for graduates from top programs at top universities - Preference for founders, founding engineers, or extensive startup experience - Independent problem solver who collaborates well cross-functionally Technical Expertise - 5+ years frontend engineering with expertise in React - Production React web applications at scale - Native mobile development (Swift for iOS and/or Kotlin for Android) - Modern JavaScript/TypeScript, state management (Redux, Context) - RESTful API integration and real-time data handling - Responsive design and cross-browser compatibility Design & UX - Strong UI/UX sensibility for healthcare applications - Component-based architecture and reusable design systems - Performance optimization for web and mobile - Accessibility standards (WCAG) and inclusive design principles PREFERRED QUALIFICATIONS - Applications for healthcare, fintech, or regulated industries - HIPAA compliance requirements for frontend applications - Real-time chat or messaging interfaces at scale - Video/voice communication integration (WebRTC, native APIs) - Embeddable widget or SDK development - Healthcare workflows, patient portals, or medical applications - Seed/Series A experience in healthcare or technology - Advanced degree in CS, HCI, or related field WHAT WE OFFER - Competitive salary plus significant equity - Build interfaces transforming healthcare accessibility for millions - Direct CEO reporting with significant autonomy - Access to leading technologies and healthcare experts - Benefits reimbursement Funding & Momentum - Union Square Ventures led our seed (Feb 2025) - Lightspeed Venture Partners preempted our Series A six months later (Aug 2025) - Abstract preempted our Series B five months later (Jan 2026) - Significant equity stake in fast-moving, well-backed company ABOUT DOCTRONIC Doctronic is the #1 AI Doctor, revolutionizing direct-to-patient healthcare through our proprietary AI system. Doctronic is