Steven Veltema
  iOS, Android, Kotlin Multiplatform software engineer based in Oita, Japan and co-owner of Fablab Oita.
Some more background
  - Working professionally as a software engineer for 20+ years.
- Developing for iOS and Android since 2010 (Swift since 2016, Kotlin since 2017)
- Developed Kotlin Multiplatform libraries used in ZRX (aka Zombies, Run!) by hundreds of thousands every month.  These libraries cover a wide range of functions like networking, data and file storage, buisness logic, and the core game features player tracking and event scheduling.