Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

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.…

Daniel Lorenzo Oliveira Fernandes Junior

Front-End Developer, Web Developer, Full Stack Developer, +2





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.…

Available to hire

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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

Spanish; Castilian

Advanced

English

Advanced

French

Intermediate

Work Experience

Frontend Developer — Self-directed Projects & Continuous Study at Self-directed Projects

January 1, 2024 - Present

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.