About Profile
About Vivek Kumar
Vivek Kumar is an experienced Mobile Application Developer with 6+ years of experience in building, maintaining, and delivering mobile applications for iOS and Android. He specializes in Flutter, native iOS and Android development, React Native, Firebase, REST API integration, authentication, Google Maps, location services, push notifications, WebView applications, and third-party integrations. Vivek works with startups, businesses, and development teams to build production-ready mobile applications from initial development through App Store and Google Play Store release. He also specializes in troubleshooting and upgrading existing applications, including Flutter build errors, Android Gradle issues, Xcode problems, CocoaPods conflicts, Firebase issues, API integrations, crashes, and outdated dependencies. His experience includes developing cross-platform and native mobile applications, integrating backend services, implementing location-based functionality, and maintaining applications through regular updates, bug fixes, SDK upgrades, and performance improvements.
Core Skills
Experience
6+ years of experience in mobile application development with expertise in Flutter, React Native, native iOS, and native Android.
Experienced in developing and maintaining production-ready applications for both iOS and Android, including cross-platform Flutter and React Native applications as well as native mobile solutions.
Strong experience with React Native development, including building reusable UI components, navigation, state management, API integration, authentication, local storage, document/file handling, permissions, and third-party library integrations.
Experienced in integrating REST APIs, Firebase, authentication, Google Maps, location services, push notifications, WebView, deep linking, document/image uploads, and other third-party services across Flutter and React Native applications.
Experienced in troubleshooting Flutter and React Native build issues, Android Gradle problems, Xcode errors, CocoaPods conflicts, dependency/version conflicts, native module issues, application crashes, and platform-specific bugs.
Comfortable working with Android and iOS native configurations within cross-platform projects, including Gradle, Android SDK/target SDK updates, Xcode, CocoaPods, Info.plist, AndroidManifest, permissions, signing, and deployment configurations.
Experience working with React Native native modules and platform-specific functionality, including integrating Android/iOS functionality where required by the application.
Experienced in implementing and debugging location-based features, maps, distance calculations, travel tracking, permissions, background/location-related functionality, and Google Maps integrations.
Experienced with file and document handling in mobile applications, including PDF, DOC/DOCX, image uploads, remote files, MIME types, and document picker integrations.
Experienced in preparing applications for App Store and Google Play Store submission, including resolving build/signing issues, dependency compatibility problems, SDK requirements, and release configuration issues.
Worked on applications across rewards and benefits, workforce management, education, networking, babysitter booking, smart apartment management, and other business-focused domains.
Work & Project Highlights
Built and worked on 20+ mobile applications across iOS and Android platforms.
Developed BeneFittz, a rewards and benefits platform featuring Spin & Win, Refer & Earn, leaderboards, deals, shop discovery, membership plans, notifications, and a coin-based rewards system.
Worked on Green Vision Cleansing, an employee time-tracking and workforce management application with GPS verification, clock-in/out, task management, employee synchronization, payments, chat, and announcements.
Developed Kids FunZone, an interactive educational application for children featuring educational games, puzzles, points and rewards, cartoon content, progress tracking, and safe screen-time limits.
Worked on eWomen Network, a networking application designed for women entrepreneurs and business owners.
Worked on SitterBoss, a React Native and Firebase-based babysitter booking platform connecting parents with babysitters.
Developed GateNest, a smart apartment guest management application for visitor registration, security logs, guest history, resident safety, and real-time notifications.
Experienced in taking mobile applications from development through testing and App Store and Google Play Store deployment.
Education
Master of Computer Applications (MCA) — Computer Applications
Bachelor of Computer Applications (BCA) — Computer Applications