# AnCh Tech > Andrii Cherniakhov — independent mobile and desktop app developer. 8+ years shipping production apps, Top Rated Plus on Upwork, 100% job-success record, based in Poland (EU). AnCh Tech is the freelance/independent-contractor practice of Andrii Cherniakhov, covering native Android, Kotlin Multiplatform, Compose Multiplatform, iOS, and backend development, from first scope through store release and ongoing maintenance. ## Key pages - [Home](https://anch-tech.com/): Overview, shipped work (Koru, Drinkist, Scruto, iCoach), process, toolkit, and client testimonials. - [Kotlin Multiplatform Development Services](https://anch-tech.com/kotlin-multiplatform-development): Kotlin Multiplatform development services from an engineer with 8+ years shipping Android, iOS, and desktop apps. Shared logic, native UI, one codebase. - [Android App Development Services](https://anch-tech.com/android-app-development): Android app development services from a senior engineer with 8+ years and a 100% Upwork job-success record. Jetpack Compose, clean architecture, store releases. - [Compose Multiplatform Development Services](https://anch-tech.com/compose-multiplatform-development): Compose Multiplatform development for apps that need one shared UI across desktop and mobile. Real shipped desktop work — see Scruto, a live macOS app. - [Freelance Mobile App Developer](https://anch-tech.com/freelance-mobile-app-developer): Hire a freelance mobile app developer with 8+ years, Top Rated Plus on Upwork, and a 100% job-success record — end-to-end ownership from scope to store release. - [App Maintenance & Rescue Services](https://anch-tech.com/app-maintenance): App maintenance services: taking over an existing codebase, fixing crashes, handling OS updates, staying store-compliant — plus ongoing retainers. - [Support](https://anch-tech.com/support): Contact and support for AnCh Tech apps.