Dmitro B.

📱 Native Kotlin & Mobile Developer behind apps with 1M+ downloads. I build high-scale Android apps that handle heavy traffic without crashes. Need a solid app? 🏅 Top Rated Plus ($200K+ Earned & 100% Job Success) 🎓 PhD in Computer Science ⚡ 12+ Years Professional Experience 🚀 Looking for a senior Android Developer and Mobile App Developer to build production-ready applications that scale, rather than fragile MVPs that fall apart under real user traffic? As an experienced Android App Developer, I take full technical ownership from architecture planning through Google Play release. 📲 As an Android Developer, my core work covers native Android development in Kotlin and Java, full-lifecycle delivery, and backend integration with REST APIs, Firebase, AWS, and third-party services. As a versatile Mobile App Developer, when a project requires both iOS and Android from a single codebase, I also work as a cross-platform Mobile App Developer using React Native and Flutter. Furthermore, as an Android App Developer, I have shipped apps with over 1,000,000+ downloads. 💼 Industry Experience Working as a dedicated Android Developer and Mobile App Developer, I've delivered apps across fintech, healthcare, logistics, social networking, sports, e-commerce, fitness, and entertainment. I have deep expertise as an Android App Developer building healthcare and safety platforms where data encryption, secure messaging, and compliance are non-negotiable. 🏗️ Architecture & Technical Standards As a lead Kotlin developer and senior Android Developer: • 🧱 Clean Architecture with MVVM / MVP patterns • ⚡ Kotlin Coroutines & Flow for async processing • 🎨 Hilt for Dependency Injection & Jetpack Compose for modern UI • 🔄 RxJava for legacy codebase maintenance • 🛠️ Automated CI/CD pipelines (Jenkins, TeamCity) • 📋 Complete ownership of API planning, code reviews, refactoring, and technical documentation as a primary Kotlin developer. 👥 I work as part of a team at Requestum, where every Mobile App Developer and Android Developer on our team collaborates closely to bring in dedicated backend, iOS, or QA specialists whenever your project requires scaling up to meet tight deadlines. 🎯 Clients typically work with me when they need: • 📱 An Android Developer to build a native Kotlin app from scratch to Google Play release • 🌐 A Mobile App Developer to deliver iOS and Android from a React Native or Flutter codebase • ⚙️ An Android App Developer to refactor, optimize, or extend an existing Kotlin or Java codebase • 🧠 A specialized Kotlin developer who understands Clean Architecture and can own the technical roadmap • 🔒 An Android Developer with experience in high-compliance domains (fintech, healthcare, logistics) 💬 If you need an Android Developer who ships production-grade apps and takes full technical ownership, let's talk. 🛠️ Main stack: Kotlin, Java, Android SDK, Jetpack Compose, Android Jetpack, Hilt, Kotlin Coroutines, RxJava, Retrofit, Firebase, AWS, Google Maps API, Stripe, React Native, Flutter, Room, Realm, Jenkins, Docker.