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e-Ticketing Platform

e-Ticketing Platform

Led multiple strategic projects including the modernization of Zagreb's and Split's public transport system and Croatian Highways electronic toll collection (HAC ENC). As Software Architect and Lead Developer, managed development teams while implementing comprehensive full-stack solutions including real-time tracking, payment processing, and complex system integrations. Focused on performance optimization and user experience.

.NET CoreReactReact NativeMSSQLEntity FrameworkgRPCRedisRabbitMQFirebaseKeycloakGTFSGoogle Maps APIFigma

Project Details

Client

KING ICT

Industry

Ticketing

Location

Zagreb, Croatia

Services

Full-stack Development, Mobile Development, Software Architecture

Challenge

Modernizing both urban public transport and nationwide highway toll systems while ensuring real-time capabilities, system reliability, and excellent user experience. Managing multiple development teams across interconnected projects.

Solution

Architected and implemented comprehensive solutions including real-time vehicle tracking, mobile apps for tickets and toll payments, and sophisticated backend systems. Optimized database performance and implemented secure authentication while ensuring seamless integration with various third-party services.

Results

  • Successful modernization of public transport system
  • Nationwide electronic toll collection implementation
  • Real-time vehicle tracking and ETA calculation
  • Optimized database performance and query execution
  • Comprehensive payment provider integration
  • Smart card and ETC device integration
  • Fleet management and back-office systems
  • Firebase push notifications and app integrity
  • GTFS integration with Google Maps
  • Secure authentication via Keycloak IAM
  • Efficient voucher distribution system