BVG Ticketing

BVG Fahrinfo is the official mobile application for Berlin’s public transit system, providing users with route planning, real-time schedules, and integrated digital ticketing for buses, trams, U-Bahn, S-Bahn, and regional trains. I led the ticketing module within a modular architecture, owning design and implementation of secure ticket purchase flows, SwiftUI-based interfaces, and robust backend integrations. This work delivered a modern and maintainable codebase with secure payment processing (including SEPA) and OpenID-based user authentication, improving transaction reliability, UX consistency, and long-term scalability of the app.