Vasily K.

I help founders and businesses launch new digital products, take over existing codebases, and rescue applications that have become difficult to maintain. ✱ 15 years of software engineering experience, from startups to large technology companies ✱ 8,800+ tracked hours on Upwork with consistent 5-star feedback ✱ Tens of designed and delivered mobile products from initial architecture to store release and long-term maintenance I can help you with: 🔹 MVP and production app development from scratch 🔹 Flutter apps for Android, iOS, web, and desktop 🔹 Native Android development with Kotlin and Jetpack Compose 🔹 Full-cycle delivery: planning, design support, architecture, development, testing, and release 🔹 Mobile apps for existing websites, SaaS platforms, and APIs 🔹 Existing project takeover, modernization, and long-term maintenance 🔹 Crash fixes, broken builds, performance issues, and release blockers 🔹 Firebase, APIs, payments, subscriptions, push notifications, analytics, and AI features 🔹 Google Play, App Store, web, and desktop deployment You will receive clear milestones, regular test builds, daily progress reports, and early communication about risks or scope changes.