Results-driven mobile development lead with 13 years of experience delivering high-quality apps and games for global markets. Skilled in Kotlin, Java, and cross-platform solutions, I excel at leading teams, architecting robust systems, and ensuring on-time delivery. My portfolio includes: Iris Dating: 3M+ downloads, scalable social platform Nicorette by Johnson & Johnson: BLE-powered app helping users quit smoking Liveboard: 2M+ downloads, interactive whiteboard solution Education: Bachelor of Applied Science, Programming & Computer Science, GITC (2010-2012) Bachelor of Applied Science, Mathematics & Computer Science, National Polytechnic University of Armenia (2005-2009) I am committed to exceeding client expectations through clear communication, technical excellence, and a proactive approach.

Experienced Native Android Developer with Expertise in developing clean Apps with in demand architecuture (MVVM). Elevate Your App with Seamless Functionality and Stunning UI/UX!

🌟 Top-Rated Mobile App Developer | Android • iOS • VPN • IoT Hello! I'm Shahzain Ali, a Mobile & Desktop App Developer with 8+ years of experience building high-quality Android, iOS, desktop, wearable, and VPN applications. I specialize in Kotlin, Swift, Java, Python, and C++ (Qt) — delivering fast, reliable, and scalable solutions for clients worldwide. 💼 What I Do ✔ Android Development: Kotlin, Java, Jetpack, Room, Maps, Sensors ✔ iOS Development: Swift, SwiftUI, Authentication, In-App Purchases ✔ Desktop Apps: Python (Tkinter), C++ with Qt Framework ✔ Watch Apps: WearOS, watchOS, Samsung Tizen ✔ VPN Expert: OpenVPN & WireGuard integrations for Android, iOS & Desktop ✔ IoT & Embedded: BLE, Arduino, ESP32, NodeMCU, sensor integrations ✔ Cloud & Serverless: Firebase Auth, Storage, Realtime DB 🛠️ Tech Stack Languages & Tools: Swift, Kotlin, Java, Python, C++, SwiftUI, CMake, Android Studio, Xcode, Qt, Tkinter Databases: SQLite, Room, Realm APIs & Integrations: Google, Facebook, Stripe, PayTabs, Maps, Biometric Auth 🌍 Why Clients Choose Me 70+ mobile apps delivered for clients in the USA, Germany, UK, UAE, and beyond Strong knowledge of MVC, MVVM, clean architecture Deep expertise in payment systems, authentication, and geolocation Excellent communication, fast delivery, and clean, maintainable code Developer community contributor with 200K+ reach on StackOverflow ✨ Client Testimonials “Perfect developer, adheres to schedule, highly motivated specialist for any complex task. Will hire again for sure.” “Good experience working with Ali. He has a great attitude and does his best to help.” If you're looking for a reliable, experienced developer who understands both mobile and system-level technologies, let's work together to build something amazing.

Hi! I'm a senior mobile app developer with more than 9 years of experience building reliable products for Android and iOS. As a mobile app developer, my focus has always been on delivering applications that perform well in real-world conditions and scale as businesses grow. That track record as a mobile app developer shapes every decision I make. For any mobile app developer, trust is built one stable release at a time. What I do as an android developer I work as an android developer who specializes in native Android App Development using Kotlin and Java. Over 8 years of focused Android work have shaped how I think as an android developer: clean architecture first, performance always, and maintainability built in from day one. Every android developer on a growing product faces the challenge of keeping code stable across hundreds of device configurations and that is a challenge I have solved repeatedly. The best android developer solves them at scale. A senior android developer builds judgment through production failures and architecture calls that hold up years later. Becoming a reliable android developer means learning how systems break and designing so they do not. That depth is what I bring to every project as an android developer. My work as a mobile app developer goes beyond Android. I build cross-platform applications using React Native and Flutter, delivering consistent experiences on both Android and iOS from a shared codebase. This makes me a mobile app developer who can own the full mobile layer, not just one platform. That range is what separates a well-rounded mobile app developer from a narrow specialist. A cross-platform mobile app developer who also has deep native Android roots brings a different level of judgment to every build. What I build As a senior android developer and mobile app developer, I have shipped 30+ applications across Healthcare, EdTech, FinTech, Food Delivery, Events, Community platforms, and Streaming products. In most of these projects I worked as the lead android developer, responsible for architecture decisions, performance optimization, and the full Android App Development lifecycle. Being the primary android developer on a product - with full ownership from architecture to release - means making every tradeoff count. As a mobile app developer, I have made those calls across a wide range of industries and seen what breaks products at scale. The role of a mobile app developer in Healthcare or FinTech taught me that reliability is not optional. A mobile app developer working in regulated industries has no room for unstable builds or inconsistent behavior. That standard shapes how I approach every project as an android developer and as a mobile app developer who understands what is at stake. My technical stack As an android developer, I build with Kotlin and Java, applying MVVM, Clean Architecture, and Jetpack components. As a cross-platform mobile app developer, I use React Native and Flutter to deliver visually consistent apps across Android and iOS. I contribute to iOS Development, which allows me to work not only as an android developer but as a mobile app developer across the full ecosystem - meaning fewer handoff gaps, faster debugging, and better decisions at every layer. As an android developer and mobile app developer, I regularly implement offline-first architecture, real-time sync with conflict resolution, background job scheduling, secure token-based auth, Stripe and in-app purchase integrations, and CI/CD pipelines for automated delivery. That is the standard I hold as an android developer and mobile app developer on every engagement. Why clients hire me Clients return to me as their android developer because I take ownership of mobile quality from day one. What it means to work with a senior mobile app developer is having someone who understands the full picture: from the first architecture decision to app store submission and post-launch support. A reliable android developer does not disappear after the first release. The same is true for a reliable mobile app developer. The best mobile app developer is one you can count on after launch - not just during it. Whether you need a dedicated android developer for a native Android build, a mobile app developer for a cross-platform product, or someone who can handle both - I bring 9 years as a focused android developer and mobile app developer. Finding the right android developer matters. Finding the right mobile app developer matters even more when your product lives on every user's phone. The right mobile app developer focuses on startup time, offline resilience, smooth navigation, and the kind of stability that earns 4+ star ratings. If you are looking for a senior android developer and experienced mobile app developer who delivers clean, scalable mobile products, I would be glad to connect as your android developer and mobile app developer. Let's build something great.

Over the span of 13 years, I've immersed myself in the realm of native Android application development, culminating in a diverse portfolio that encompasses an array of dynamic projects. This includes the creation of highly secure and encrypted communication platforms (OTTs), innovative social networks, robust cryptocurrency exchanges, efficient system utilities, intuitive online stores, intelligent smart assistants, and a wide spectrum of other application categories. At the core of my skill set is the art of crafting resilient and high-performance Android applications that seamlessly traverse the landscape of various devices – from smartphones to tablets – all while optimizing CPU and memory resources. My expertise extends beyond coding; I possess extensive experience in architecting efficient team workflows, along with a keen eye for conducting meticulous code reviews, ensuring the delivery of exceptional projects. My hands-on proficiency involves constructing formidable codebases using the MVP/MVVM architecture, employing languages such as Java and Kotlin, and harnessing the power of Gradle. This proficiency is underscored by a deep-seated understanding of essential object-oriented programming concepts, a rich repertoire of software design patterns (including Singleton, Observer, Factory, and Decorator), comprehensive testing methodologies (spanning Unit, Integration, and Automated UI tests), and a spectrum of cutting-edge technologies that have been embraced by the Android development community. As I embrace new horizons, I am actively seeking opportunities not only to engineer and deliver top-tier applications but also to offer innovative solutions that can fuel the growth of your business. I invite you to connect with me, and let's collaboratively shape the trajectory of your applications and business endeavors.

Senior android developer +7 year's experience , working on different techs latest techs like jetpack compose, ktor , koin , cmp , welcome to connect me any time

💡 I help startups and companies build high-quality Android & Flutter apps — from MVP to App Store release. 📱 7+ years of mobile development experience — 40+ finished projects for clients across the USA, UK, and Europe. I focus on clean architecture, scalable code, and smooth UI/UX. 🚀 I can help you with: • Building Android apps (Kotlin, MVVM, Coroutines, DI, Firebase) • Flutter apps for Android & iOS (Dart, Riverpod, BLoC, REST/GraphQL) • Full-cycle mobile solutions — from idea to publish-ready app • Refactoring or maintaining existing legacy projects • Integrating APIs, payments, ads, chat, AI (OpenAI, CoreML), etc. 🧩 Tech Stack: Languages: Kotlin, Java, Dart Platforms: Android, Flutter, iOS Backend: Firebase, Node.js, REST, GraphQL AI/ML: OpenAI, CoreML, ChatGPT API ❤️ Passionate about EdTech, clean design, and delivering real value. 📬 Let’s make your app stand out. Feel free to invite me to your project or book a quick consultation — I’m always open to new ideas and collaborations!

I am a Mobile app developer with 4+ years of experience specializing in cross-platform (Flutter) and native (Kotlin/Java) development. A top-rated freelancer on Upwork, I've successfully launched 6+ apps from concept to Google Play Store publication. Proficient in Firebase and experienced in full-cycle mobile app development.

# 👋 Hi, I'm Hardik I'm a Senior Android Developer with 6+ years of experience building fast, scalable, and user-friendly Android applications using Kotlin and Java. I help startups and businesses develop high-quality Android apps from idea to launch, as well as improve and maintain existing applications. ### What I Can Help With • Native Android Development (Kotlin & Java) • Jetpack Compose & XML UI • MVVM & Clean Architecture • Firebase (Authentication, Firestore, FCM, Analytics) • REST APIs, Retrofit & WebSocket • ExoPlayer & Media3 (Streaming/IPTV Apps) • Room Database & SQLite • Hilt, Coroutines & Flow • Google Maps & Location Services • Payment Gateway Integration • AI Integration (OpenAI & Gemini APIs) • Performance Optimization & Bug Fixes • Google Play Store Deployment ### Why Work With Me? ✔ Clean, maintainable code ✔ Strong communication ✔ On-time delivery ✔ Scalable architecture ✔ Long-term support after delivery Whether you need a new Android app, feature development, API integration, or help fixing an existing project, I'm ready to help. Let's build an Android app that is fast, reliable, and built to scale.

Are you looking for a reliable Android App Developer who delivers clean, scalable, and production ready Android applications on time, every time? I am a Native Android App Developer and Flutter App Developer with 4+ years of experience building high-performance Android applications and cross-platform mobile apps for startups, SaaS businesses, and enterprise clients. I specialize in end to end Android app development from pixel perfect UI using Jetpack Compose and XML to Firebase backend integration, REST API integration, and complete Android application deployment on Google Play Store. Whether you need a native Android app built with Kotlin, a modern Android application using Jetpack Compose and MVVM Clean Architecture, or a cross-platform Flutter app I build it right, the first time. 🚀 Android App Development Solutions I Deliver: ✔ Native Android app development using Kotlin & Jetpack Compose ✔ Android application development from idea to Play Store launch ✔ Android Kotlin development clean, scalable, production-ready code ✔ Flutter app development for Android & iOS from a single codebase ✔ Flutter Dart development cross-platform mobile app solutions ✔ E-commerce Android apps with Firebase backend, cart, orders & admin panel ✔ On-demand Android apps booking, real-time tracking & push notifications ✔ Field Force and Field Visit Flutter mobile app with admin panel ✔ SaaS Android applications with subscription, user roles & dashboards ✔ MVP Android app development for startups fast, lean, investor-ready ✔ Custom Android business apps with full REST API & third-party integrations ✔ Android app bug fixing, performance optimization & code refactoring ✔ Figma to Android pixel-perfect Jetpack Compose & XML implementation ✔ Flutter Firebase integration Authentication, Firestore & Cloud Functions 🛠️ Android App Developer Technical Stack: ✔ Android Kotlin primary language for all native Android app development ✔ Jetpack Compose modern declarative Android UI development ✔ MVVM & Clean Architecture scalable Android application structure ✔ Flutter Dart cross-platform Android & iOS app development ✔ Flutter Firebase complete backend integration ✔ State management Riverpod, Provider, BLoC ✔ Firebase Authentication, Firestore, Realtime Database, Cloud Functions ✔ REST API integration & Retrofit for Android ✔ Room Database & SQLite for local Android storage ✔ Push notifications Firebase Cloud Messaging (FCM) ✔ Google Maps & GPS-based real-time location tracking ✔ Payment gateway integration Stripe, PayPal ✔ Social login Google, Facebook, Apple Sign-In ✔ Google Play Store deployment & app submission 📱 Real-World Android Applications I Have Built: ✔ Android E-commerce App Full shopping experience with Firebase backend, product catalog, cart, checkout, order tracking & admin panel built with Kotlin & Jetpack Compose ✔ Field Force Management Mobile App Live agent GPS tracking, task assignment, reporting & web admin dashboard ✔ On-Demand Booking Android App Service booking, provider matching, real-time tracking & in-app payments ✔ SaaS Android Application Multi-role user system, subscription billing, analytics dashboard & REST API backend ✔ Fitness Tracking Android App Workout plans, health metrics, progress charts & Firebase sync ✔ Startup Android MVP Rapid Android app development from idea to Play Store launch in under 6 weeks 🤝 Why Clients Choose Me As Their Android App Developer: ✔ 4+ years of real-world native Android app development & Flutter app development experience ✔ 100% Job Success Score consistent delivery across all Android projects ✔ Android Kotlin expert clean, scalable code following industry best practices ✔ MVVM & Clean Architecture every Android application built to scale ✔ Fast & transparent communication daily updates, no guessing games ✔ Strong UI/UX focus Android apps that look great and perform smoothly ✔ On-time delivery I respect deadlines and manage Android app scope clearly ✔ Post-launch support Android bug fixes, updates & new feature development ✔ Long-term partnership mindset I grow with your Android product I don't just write code I help businesses launch complete, stable, and scalable Android applications and Flutter apps that users love and businesses rely on. 📩 Send me a message describing your project I'll respond within a few hours with a clear plan, timeline, and honest assessment. Let's build something great together. Your Android App Developer & Flutter Developer Uzair Aziz