Manuel Bieh

• Developing the Athena iPad app for dental practices in on-premise and cloud variants with end-to-end encryption
• Led incremental TypeScript migration of a legacy Flow/JavaScript codebase across three React Native repositories
• Ran a performance and stability audit of both apps that shaped the technical roadmap
• Eliminated critical crashes and performance problems affecting daily use in dental practices
• Modernized the app architecture and expanded test coverage for long-term maintainability

Stack: React Native, TypeScript, Redux, Redux Toolkit, redux-persist, Realm, React Navigation, Auth0, PSPDFKit, Swift, Objective-C, Jest, React Testing Library, Detox, Bugsnag, ESLint, iOS, Xcode, CocoaPods

• Founded and developed a sports analytics mobile app with worldwide App Store distribution
• Engineered 240 fps video capture system for frame-by-frame golf swing analysis
• Integrated MLKit Pose Detection and computer vision for real-time motion tracking
• Built cross-platform solution with React Native, Expo, and Swift native modules

Stack: React Native, Expo, TypeScript, Redux, React Hook Form, Zod, MLKit, MLKit Pose Detection, Swift, Node.js, Next.js, Vercel, CSS, Jest, Maestro, i18n, Figma, Supabase, Supabase Auth

• Led strategic transition of frontend codebase from external agency to internal team
• Documented system architecture and created operational runbooks
• Conducted technical interviews and onboarded new engineers
• Implemented code quality standards with Storybook, Vitest, and React Testing Library

Stack: React, TypeScript, React Hook Form, Jotai, Yup, Figma, Vite, i18n, Storybook, Vitest, React Testing Library, Nx

• Achieved 80% reduction in page load time (10+ → under 2 seconds)
• Improved build times by 75% (45+ → under 10 seconds)
• Migrated class components to functional components with React Hooks
• Implemented virtualized lists and optimized caching strategies
• Developed proof-of-concept Next.js migration plan for SSR benefits

Stack: React, React Native, Expo, TypeScript, Webpack, Redux, React Hook Form, Zod, Cypress, Storybook, Next.js, Auth.js, Jest, React Testing Library

• Designed frontend architecture for regulatory-compliant banking consent platform
• Built scalable component library with React, TypeScript, and Next.js
• Collaborated with backend team to define API contracts and data flows
• Implemented testing strategy with Jest and Cypress ensuring compliance
• Integrated Azure AD authentication for secure user management

Stack: React, TypeScript, Next.js, i18n, React Hook Form, React Testing Library, Jest, Cypress, Storybook, InVision, Azure AD Auth

• Modernized 5-year legacy codebase for SMB bookkeeping platform (thousands of users)
• Migrated to React Hooks and TanStack Query for improved data fetching
• Maintained consistent delivery velocity despite changing requirements
• Established testing practices with Playwright and React Testing Library

Stack: React, TypeScript, Next.js, Redux, React Hook Form, Zod, TanStack Query, i18n, Storybook, Playwright, Jest, React Testing Library

• Led integration of 3D construction visualization with Autodesk Forge and Three.js
• Coordinated with external development partners and evaluated vendors
• Documented architectural decisions, workflows, and API requirements
• Collaborated with distributed international team using React, TypeScript, GraphQL

Stack: React, TypeScript, Next.js, Node.js, Zod, Formik, i18n, GraphQL, Styled Components, Jest, React Testing Library, Autodesk Forge, Three.js