Manuel Bieh

Founded and developed a high-performance sports analytics mobile application with worldwide distribution. Engineered video capture system supporting 240 fps for frame-by-frame swing analysis. Integrated MLKit Pose Detection and computer vision algorithms for real-time golf swing tracking. Built cross-platform solution using React Native and Expo with Swift native modules for iOS camera optimization. Implemented user authentication, subscription management, and cloud storage with Supabase.

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 engineering team. Documented system architecture, created operational runbooks, and established secure credential management. Conducted technical interviews and onboarded new engineers. Implemented code quality standards using Storybook, Vitest, and React Testing Library.

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

Modernized legacy React codebase achieving 80% reduction in page load time (from 10+ to under 2 seconds) and 75% faster build times (from 45+ to under 10 seconds). Migrated class components to functional components with React Hooks. Implemented virtualized lists for large data sets and optimized caching strategies. Established modern frontend architecture patterns. Developed proof-of-concept Next.js migration plan for Server-Side Rendering benefits. Introduced comprehensive testing with Jest, Cypress, and React Testing Library.

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

Designed and implemented frontend architecture for a regulatory-compliant banking consent platform handling electronic signatures and audit trails. Collaborated with backend team to define API contracts and data flows. Established Agile development processes and code review standards. Built scalable component library using React, TypeScript, and Next.js. Implemented comprehensive testing strategy with Jest and Cypress ensuring compliance requirements. 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 serving thousands of users. Migrated to React Hooks and implemented modular state management with TanStack Query for improved data fetching and caching. Maintained consistent delivery velocity despite frequently changing requirements. Established testing practices with Playwright and React Testing Library ensuring code quality.

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

Led integration of 3D construction visualization into construction management platform using Autodesk Forge and Three.js. Coordinated with external development partners and evaluated technical vendors. Documented architectural decisions, workflows, and API requirements. Collaborated with distributed international team to stabilize project delivery using React, TypeScript, and GraphQL.

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

Consolidated multiple React codebases into unified Next.js application for leading fitness platform. Migrated legacy Create React App and Gatsby projects improving build performance and developer productivity. Implemented modern frontend patterns with TypeScript, Redux, and GraphQL. Established testing standards with Jest and React Testing Library across web and React Native applications.

Stack: React, React Native, TypeScript, Redux, Formik, Gatsby, GraphQL, Next.js, i18n, Jest, React Testing Library, SCSS, Webpack, REST

Led frontend development for BaFin-regulated cryptocurrency trading platform serving thousands of active traders. Coordinated strategic handover of trading platform from external vendor to internal team. Delivered real-time trading features using WebSockets for live price updates and order execution. Architected and developed React Native mobile application from scratch. Implemented comprehensive testing strategy with Jest and Cypress ensuring regulatory compliance. Managed technical roadmap and mentored junior developers.

Stack: React, Next.js, TypeScript, React Native, Redux, i18n, Jest, React Testing Library, Cypress, Styled Components, Webpack, REST, WebSockets