Messaging2024
Chaterer MVVM
Modern messaging app: contact sync, chats, stories, audio / video calls, swipe-to-reply, and online status.
- Role
- Full-stack engineer
- Timeline
- 2024
- Stack
- FlutterFirebaseWebRTCFCM
01
Screens & Architecture
02
The Problem
Modern messaging app: contact sync, chats, stories, audio / video calls, swipe-to-reply, and online status.
03
How I built it
- WebRTC calling with FCM signaling.
- Stories, read receipts, and online presence.
- MVVM structure for testable view models.
04
Outcome
- Feature-rich WhatsApp-style baseline for future apps.
- Reusable messaging primitives across products.