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Manuel B.MB

Manuel B.

TypeScript Engineer, React Specialist, Interim CTO

EUR 800/Tag
Berlin, DE
15+ Jahre

Durchschnittliche Reaktionszeit: 1h

Über Manuel

Freelancer | Senior Frontend Developer | Technical Lead. 20+ years in software development. Expert in React, TypeScript, and all things Frontend. Available for contract, interim, and fractional engagements. Remote or onsite in Berlin.
  • Deutsch

    Muttersprachlich oder zweisprachig

  • Englisch

    Verhandlungssicher

Vor Ort möglich
Berlin (bis zu 10 km)

Projekt- und Berufserfahrung

  • Spark Networks
    Freelance Lead Frontend Developer
    Januar 2025 - Juni 2025 (5 Monate)
    Berlin, Deutschland
    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, Storybook, Vitest
    React.js TypeScript react hook form Jotai Storybook
  • Eberlein Kunz
    Freelance Lead Frontend Developer
    Juni 2024 - Dezember 2024 (6 Monate)
    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
    React.js Next.js React Native Storybook TypeScript
  • finstreet
    Freelance Frontend Architect
    BANKEN & VERSICHERUNGEN
    Mai 2023 - April 2024 (11 Monate)
    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
    Next.js TypeScript React.js Storybook Cypress

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