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Hello! I’m Mateus Werneck, a Frontend Developer focused on building scalable web and mobile interfaces using React, TypeScript, and React Native. I have shipped production mobile apps to the App Store and Google Play, with a strong emphasis on performance, API integration, and maintainable architecture.\n\nI enjoy modern state management, responsive UI development, and delivering high-quality software in remote environments. I thrive collaborating with product and design teams to turn complex requirements into polished user experiences.…Hello! I’m Mateus Werneck, a Frontend Developer focused on building scalable web and mobile interfaces using React, TypeScript, and React Native. I have shipped production mobile apps to the App Store and Google Play, with a strong emphasis on performance, API integration, and maintainable architecture.\n\nI enjoy modern state management, responsive UI development, and delivering high-quality software in remote environments. I thrive collaborating with product and design teams to turn complex requirements into polished user experiences.

Mateus Werneck

Front-End Developer, Web Developer, UI Designer, +2

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Hello! I’m Mateus Werneck, a Frontend Developer focused on building scalable web and mobile interfaces using React, TypeScript, and React Native. I have shipped production mobile apps to the App Store and Google Play, with a strong emphasis on performance, API integration, and maintainable architecture.\n\nI enjoy modern state management, responsive UI development, and delivering high-quality software in remote environments. I thrive collaborating with product and design teams to turn complex requirements into polished user experiences.…Hello! I’m Mateus Werneck, a Frontend Developer focused on building scalable web and mobile interfaces using React, TypeScript, and React Native. I have shipped production mobile apps to the App Store and Google Play, with a strong emphasis on performance, API integration, and maintainable architecture.\n\nI enjoy modern state management, responsive UI development, and delivering high-quality software in remote environments. I thrive collaborating with product and design teams to turn complex requirements into polished user experiences.

Available to hire

Hello! I’m Mateus Werneck, a Frontend Developer focused on building scalable web and mobile interfaces using React, TypeScript, and React Native. I have shipped production mobile apps to the App Store and Google Play, with a strong emphasis on performance, API integration, and maintainable architecture.\n\nI enjoy modern state management, responsive UI development, and delivering high-quality software in remote environments. I thrive collaborating with product and design teams to turn complex requirements into polished user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Work Experience

Frontend / React Developer at Freelance Projects

January 1, 2025 - Present

Shipped modern web interfaces for 2-3 clients using React and TypeScript. Architected scalable state management solutions with Redux, reducing complexity across multi-feature applications. Crafted responsive, pixel-perfect UIs from design specifications with cross-browser compatibility. Wired REST APIs and asynchronous data flows into dynamic, data-driven applications.

Frontend Developer at Organizei

January 1, 2025 - Present

Co-led a 7-person team to deliver a cross-platform, AI-powered SaaS platform using React and JavaScript. Engineered frontend features for automated exercise generation and a content library management system. Coordinated with product and design stakeholders to ship user-facing features on schedule.

Mobile Developer (React Native) at ValeVida

January 1, 2025 - Present

Shipped a production React Native health & wellness app to Google Play and Apple App Store using Expo and TypeScript. Secured the app with JWT authentication, offline caching via AsyncStorage, and push notifications. Established a testing infrastructure of 177 tests with 60% coverage using Jest and React Native Testing Library. Reduced crash rate by ~40% after integrating Sentry monitoring and CI/CD pipelines via GitHub Actions. Managed scalable data flows with React Query, React Context, and REST APIs.

Mobile Developer (React Native) at NEET App

January 1, 2025 - Present

Launched a React Native social sports platform on the Apple App Store, already attracting 300+ waitlist users ahead of public release. Designed and shipped event creation, user profiles, and community interaction features. Configured MCP integration and managed mobile state architecture for scalable backend connectivity.

Mobile Developer at ValeVida

January 1, 2025 - Present

ValeVida Mobile | Health & Wellness Platform: Built a cross-platform mobile app using React Native, Expo, and TypeScript. Delivered authentication, scheduling system, product catalog, and partner network features. Added offline support with AsyncStorage and error monitoring with Sentry. Established testing infrastructure using Jest and React Native Testing Library (177 tests, 60% coverage).