Senior Frontend Engineer

Doctronic • New York City, NY

3d • Hybrid

About The Position

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

Requirements

• CS degree OR equivalent demonstrated 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
• 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
• HIPAA-compliant data handling in frontend applications

Nice To Haves

• 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
• Applications for healthcare, fintech, or regulated industries
• 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

Responsibilities

• Build Cross-Platform Applications
• Patient Experience
• Healthcare Data UI
• Performance & Accessibility
• AI response streaming
• rich text medical documentation
• prescription management interfaces
• foundation for voice/video AI avatars

Benefits

• 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
• Significant equity stake in fast-moving, well-backed company

What This Job Offers

• Job Type: Full-time
• Career Level: Senior