- Developed a real-time messenger app supporting private, group, and channel chats using Flutter, Socket.IO, and BLoC architecture - Engineered voice message recording system with custom amplitude waveform visualization and swipe-to-cancel gesture - Built chunked file upload/download engine with resume capability for reliable large file transfers - Integrated Firebase Cloud Messaging for push notifications and Remote Config for feature flagging (maintenance mode) - Implemented Quill-based rich text editor for message composition with URL detection and @mentions - Designed full localization system supporting 3 languages (EN/RU/UZ) - Built offline-first data layer using Drift/SQLite with reactive streams for real-time UI updates - Created group/channel management flow with privacy controls and admin features - Set up CI-ready build pipeline with obfuscated release APK generation

- Milliy Go is reliable taxi services application - Application is based on yandex map. - Flutter localization - Dio, Reftrofit, Bloc - Websocket

- Set up a simple audio player with background and notification support - Worked with Dio, Retrofit, and Freezed - Developed a task management application for company employees - Built an online chat using Firebase - Created an online battle game for students (with Firebase firestore real time database)

– Utilized BLoC for state management in Flutter applications – Developed a production-level mobile application for online courses – Implemented features for purchasing courses and taking tests after completion – Gained hands-on experience in professional app development workflows