Zhivko Manchev

Senior iOS Engineer

iOS Team Lead

Swift & SwiftUI Expert

Motorsports Fan Engagement & Livestream

  • AppStore Release: 2023
  • Status: Discontinued
Overview

A fan engagement app designed to enhance the live motorsports experience through real-time event data, interactive features, and high-quality live streaming.

The app supported multiple simultaneous live streams, driver profiles, competition brackets, real-time event updates, and interactive fan features. It significantly increased daily app usage during live events compared to the previous generation app.

Role & Responsibilities
  • Led iOS development from design to release
  • Built live streaming with multi-camera switching
  • Developed real-time telemetry and event data
  • Implemented fan features: trivia and points tracking
  • Guided Android developers for feature parity
  • Integrated GraphQL APIs, authentication, and notifications
  • Delivered highly animated and responsive UI across the app
  • Optimized performance for media-heavy live events
Tech Stack
  • Swift, SwiftUI
  • MVVM architecture
  • Apollo (GraphQL)
  • Supabase authentication
  • Live video streaming with seamless multi-camera switching (Red5 Pro)
  • Real-time event data and telemetry (live stream metadata & WebSocket)
  • Push notifications and Live Activities (OneSignal)