Kotlin Multiplatform in Production: Two Real-World Use Cases from Booking.com

Introduction

For the majority of Booking.com travelers, mobile is the primary channel for researching, planning, and booking trips. Recent data shows that over 80% of travelers rely on a mobile app during the research phase, with more than half of all bookings occurring on mobile devices. Consequently, the Android and iOS platforms are critical to the company’s product strategy; engineering choices made here have significant repercussions for the entire organisation.

To maintain agility at this scale, two elements must function in unison: