Key Features

Video Calling:

• 🎥 One-on-one and group video sessions

• 🔒 Secure room creation with token-based authentication

• 👥 Real-time participant tracking and permissions

• ⚡ Low-latency performance with auto-reconnect handling

 

Direct Messaging:

• 💬 Instant chat with real-time updates via Firestore

• 📱 User-to-user and group messaging

• 🕒 Message history with timestamps and sender details

• 🚀 Optimized for low-latency and offline reliability

 

Admin & System Functionality:

• 🔐 Role-based permissions and session control

• 🧩 Centralized service logic for video and chat lifecycle management

• 🧠 Scalable backend architecture with Firebase Functions and Firestore

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Tech Stack

Frontend:

• React Native (Expo)

• 100ms SDK for video integration

• Custom UI components for calls, chat, and session management

 

Backend:

• Firebase Functions for server-side logic

• Firestore for real-time data and user session tracking

• JWT-based authentication and 100ms Management API integration

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Architecture

• Real-Time Communication Layer (100ms SDK + Firebase)

• Message & Room Management (Firestore collections)

• Authentication & Access Control (Firebase Auth + Functions)

• Centralized Client Services (video, chat, and session orchestration)

 

Outcome

Delivered a seamless, cross-platform communication system supporting both live video and chat features. The architecture provides a foundation for future extensions such as location sharing and emergency response capabilities.

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Perfect for: Apps requiring in-app communication — including community networks, event platforms, or safety and coordination tools.