Native Android · Real-Time Communication

Android apps built for reliable voice, video and live interaction.

I build native Android applications with Kotlin and XML, specializing in WebRTC, self-hosted LiveKit, Firebase, Socket.IO and REST API integration.

View RChat case study Email me
  • Native Kotlin development
  • Self-hosted LiveKit integration
  • Real-time voice and video
  • Debugging and optimization
RChat Android application interface overview
Kotlin Android Studio WebRTC LiveKit Firebase Socket.IO REST APIs

Services

Focused Android engineering for communication products.

From a new feature to a production bug, I handle implementation, integration, testing and deployment with a clear delivery process.

01

Native Android Development

Kotlin and XML implementation for responsive, maintainable Android applications.

02

WebRTC & LiveKit

Voice rooms, one-to-one calling, group communication and self-hosted LiveKit setup.

03

Backend & API Integration

Firebase, Firestore, Socket.IO, Node.js and REST API integration for real-time features.

04

Debugging & Optimization

Root-cause analysis, crash fixes, performance tuning and release-readiness testing.

Featured project

RChat — self-hosted social voice chat application.

A native Android social voice platform built with real-time rooms, interactive social features and operational tooling.

Role Sole Native Android Developer & LiveKit Engineer

I independently developed RChat’s Android application and integrated its real-time communication, backend services and deployment workflow.

Selected capabilities

  • Multi-user voice rooms with speaker seats and microphone controls
  • Real-time chat, notifications and social feed features
  • Virtual gifts, coins, VIP, rankings and reward workflows
  • User profiles, roles, moderation and admin operations
  • Firebase, Firestore, Socket.IO, REST APIs and VPS deployment
Kotlin XML LiveKit WebRTC Firebase Firestore Socket.IO Node.js
RChat active voice room interface

Delivery process

A practical workflow from requirements to release.

  1. 01

    Clarify

    Define the feature, expected behavior, dependencies and delivery scope.

  2. 02

    Build

    Implement the Android, communication and backend integration cleanly.

  3. 03

    Test

    Validate edge cases, network behavior, device compatibility and performance.

  4. 04

    Deliver

    Prepare the release build, deployment notes and a clear handover.

Contact

Need an Android developer for a real-time communication product?

Share the feature, problem or existing codebase. I will respond with a practical scope and the next technical steps.

Email: rchat308@gmail.com