AppMaster.io — Development of the platform core (Server-Driven UI SDK,

For 4.5 years, I was solely responsible for the design, development, and scaling of the modular architecture of the core platform AppMaster.io — a visual development environment for mobile applications. I ensured full-cycle delivery of features in close collaboration with a cross-functional team (Backend, Frontend, QA). Key achievements: Designed and developed from scratch a native Server-Driven UI SDK in Kotlin + Jetpack Compose / UI + Coroutines + MVVM. The SDK became the foundation of the entire platform. Developed a complex business logic interpreter (over 500 blocks) for visual programming directly on mobile devices. Created an internal library of 50+ dynamic custom UI components in native Kotlin — significantly speeding up interface generation. Successfully integrated complex low-level and external SDKs into the platform core: WireGuard VPN, Regula (document verification), Google Maps / Sign-In, Mapbox, Biometrics, In-App Purchases. I deeply engaged with both architecture and performance as well as product features, ensuring high quality and scalability of the platform. Key skills and categories (for the form): Kotlin (Advanced), Jetpack Compose, Android SDK, Coroutines, Flow, MVVM, MVI, Clean Architecture, Modularization, Dagger/Hilt, Server-Driven UI, SDK Integration (VPN, Maps, Biometrics, IAP), Platform Architecture, Scaling, Refactoring.