Ajay Dhiman

Built and shipped cross-platform Flutter applications for thousands of active users. Implemented real-time trading features for a US stock market app using GraphQL and Socket.IO, achieving sub-second latency for live trading decisions. Adopted BLoC state management to reduce data processing latency by ~30% and improve UI transition smoothness. Used SQLite for local persistence and secure storage for sensitive data like auth tokens. Set up GitHub Actions CI/CD for unit tests, linting, and automated APK/IPA builds and app store deployments. Integrated REST APIs, Firebase Authentication, Firestore, and push notifications; also led code reviews and mentored junior developers.

Developed logistics and last-mile delivery apps in Flutter using GetX for state management, supporting real-time shipment tracking. Integrated Google Maps APIs for live driver tracking, route optimization, and geofencing for carriers and shippers. Refactored legacy components to improve stability by ~30% and reduce crash rates. Delivered digital invoicing and real-time order status updates, including push notifications, via full deployment across Google Play Store and Apple App Store.

Built native Android healthcare apps using Kotlin and Java with MVVM architecture. Implemented real-time video/audio consultation features using WebRTC SDKs for remote doctor-patient interactions. Automated PR testing, builds, and store deployment using GitHub Actions. Used Jetpack components (LiveData, ViewModel, Room) and Retrofit for network integration. Improved secure authentication/session management and role-based access control to support healthcare compliance.