Mashrafi A.

React Native Developer | Performance & Production Apps

I’m a React Native Engineer specializing in building, debugging, and optimizing production-ready mobile applications. I can help you with: Building new React Native features and complete mobile screens Debugging complex Android/iOS issues and production crashes Improving app startup time, rendering performance, and list performance Optimizing React Native and JavaScript code Integrating native Android/iOS functionality Designing maintainable mobile architectures Working with REST APIs, authentication, push notifications, Firebase, maps, and third-party SDKs Maintaining and improving existing React Native applications What sets me apart is that I don’t just focus on making a feature work—I focus on understanding why the application behaves the way it does, finding the root cause of problems, and building solutions that remain maintainable as the app grows. I’m particularly strong in React Native performance, debugging, JavaScript behavior, rendering, native integration, and production issues. If you have an existing React Native app that needs new features, bug fixes, performance improvements, or deeper technical problem-solving, I can help.