Daniel Lorenzo Oliveira Fernandes Junior

Available to hire

Frontend Developer with hands-on experience building scalable web apps with React and TypeScript.

About

Frontend Developer with hands-on experience building scalable web apps with React and TypeScript. I work with JWT authentication, REST API integration, Context API, and responsive UI — always focused on clean code and real results. Currently looking for my first professional opportunity to contribute to a product team and grow as a developer.

  • 2 years' experience
  • Joined March 2026

Languages

  • PortugueseFluent
  • Spanish; CastilianAdvanced
  • EnglishAdvanced
  • FrenchIntermediate

Industry experience

  • Software & Internet
  • Professional Services

More experts in Salvador, Brazil

Work experience

Frontend Developer — Self-directed Projects & Continuous Study · Self-directed ProjectsJan 2024 – Present · 2 yrs 11 mos

Designed and developed complete frontend applications using React and TypeScript. Implemented JWT authentication flows integrated with Supabase. Built scalable component-based architectures following separation of concerns. Integrated REST APIs with structured error handling and loading state management. Applied type-safe patterns to ensure maintainable and predictable codebases. Practiced Git workflows and production deployment using Vite and Vercel.

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