Sunil Kumar Singh

Highly skilled Flutter Developer with extensive experience in designing, developing, testing, and deploying cross-platform mobile applications for Android, iOS, and Web. Proficient in Flutter and Dart, with a deep understanding of clean architecture, performance optimization, and state management. Adept at collaborating with cross-functional teams to deliver high-quality, scalable, and user-centric mobile solutions. Passionate about keeping up with the latest Flutter trends and ensuring applications meet modern UX/UI standards and industry best practices.

• Native Android (Java/Kotlin) and iOS (Swift) development
• Familiarity with backend technologies (Node.js, Python, .NET)
• Experience with charts and analytics visualization
• Knowledge of OAuth2, JWT, and secure API practices
• Exposure to AI/automation tools (GitHub Copilot, Tabnine)
• Familiarity with cloud platforms and deployment workflows
• Understanding of Agile methodologies

• Flutter App Development, Design, develop, and maintain cross-platform mobile applications using Flutter and Dart., Build reusable and modular components for scalable and maintainable apps., Implement pixel-perfect UI/UX using Flutter widgets and design principles., Develop responsive layouts for both Android and iOS platforms., Integrate animations and transitions for enhanced user experience., Support Flutter Web and desktop app development when required.
• API and Backend Integration, Collaborate with backend teams to integrate RESTful and GraphQL APIs., Handle authentication, error management, and data serialization., Work with third-party SDKs and APIs such as Firebase, Supabase, PostgreSQL, Prisma, and Algolia., Manage efficient communication between frontend and backend., Implement caching, pagination, and offline data sync strategies.
• Performance Optimization and Debugging, Troubleshoot and fix bugs, crashes, and performance bottlenecks., Utilize tools like Firebase Performance Monitoring and Analytics for diagnostics., Optimize app loading times, responsiveness, and memory usage., Maintain backward compatibility with older Flutter versions.
• UI/UX Implementation, Collaborate with designers to transform wireframes into visually appealing interfaces., Follow Material Design and Cupertino guidelines for platform consistency., Implement custom themes, styles, and reusable UI components., Ensure accessibility and responsive design compliance.
• State Management and Architecture, Implement state management using GetX, Riverpod, Provider, or BLoC., Follow Clean Architecture, MVVM, and MVP design patterns., Write clean, testable, and scalable code following best practices., Participate in architectural design discussions and code reviews.
• Testing, Deployment, and DevOps, Conduct unit, widget, and integration testing., Support CI/CD pipelines using tools like GitHub Actions, Bitrise, Codemagic, and Fastlane., Manage releases for Google Play Store and Apple App Store., Automate testing, build, and deployment processes.
• Collaboration and Process, Work closely with cross-functional teams - PMs, designers, QAs, and backend engineers., Participate in Agile/Scrum ceremonies, including sprint planning and retrospectives., Conduct code reviews and mentor junior developers., Contribute to team efficiency and continuous process improvements.