Hire the Best Jetpack Experts Specialists

Looking to build a fast, scalable E-commerce & Health & Fitness apps that users actually love to use? I’m Inam Ullah Khan, an Android Developer with 3+ years of experience building and launching production-ready mobile apps. I specialize in turning ideas into high-performance applications—from SaaS platforms to E-commerce, Health & Fitness apps, and with AI Integration. 🚀 What I Can Do for You E-commerce App Development AI Integration in Android (ML Kit, TensorFlow Lite) Google Play Console, App Publishing Payment Gateway Integration. Build modern, responsive UIs using Jetpack Compose Develop clean, scalable apps using MVVM & Clean Architecture Integrate APIs, Firebase, and real-time features Optimize app performance (memory leaks, battery, speed) Launch your app on Google Play Store from scratch 📱 Experience Highlights Developed and launched multiple Android apps (E-commerce, Health & Fitness apps, POS systems, SaaS apps, MVPs) Experience with AI-integrated features and modern app workflows Focus on performance, scalability, and long-term maintainability. 🛠 Tech Stack Languages: Kotlin (Expert), Java Frameworks: Android SDK, Jetpack Compose, Coroutines, Flow Backend & Data: Retrofit, Room Database, Firebase Architecture: MVVM, Clean Architecture, Dagger/Hilt 🤝 Why Clients Work With Me Clear and fast communication Daily progress updates On-time delivery with clean, maintainable code Post-launch support and bug fixing 📩 Let’s Get Started Send me a message with your idea, and I’ll provide a clear technical plan to bring it to life.

Top Rated Mobile Developer | Full Stack Mobile & Web Developer | iOS, Android, AI, Kotlin, KMP I help startups turn app ideas into live, scalable mobile products — fast, clean, and built to grow. As a Top Rated Mobile Developer on Upwork, I specialize in building Android apps, cross-platform mobile apps, and full-stack mobile solutions that are ready for real users, real traffic, and real business growth. I’ve contributed to apps serving 50M+ users at Vodafone Egypt, shipped fintech platforms handling thousands of secure daily transactions, and optimized apps to reduce crashes, improve load times, and cut app size by 50%+. If you’re building your first app, rebuilding an old one, or scaling an existing product, I can help you launch with confidence. What I can build for you: → Native Android apps using Kotlin, Jetpack Compose, and Clean Architecture → Cross-platform apps using Kotlin Multiplatform — Android + iOS from one shared codebase → Full-stack mobile and web platforms with scalable backend integration → AI-powered mobile features, automation, smart search, recommendations, and chat experiences → Payment integrations including Stripe, PayPal, and local payment gateways → Real-time features using Firebase, WebSockets, live tracking, and push notifications → Maps, GPS, delivery tracking, location-based services, and Play Store deployment → App optimization for speed, stability, crash reduction, and smaller app size Industries I’ve shipped in: Fintech · E-commerce · Delivery & Tracking · Streaming · Government Services · SaaS · Startup MVPs I don’t just write code. I help you make the right technical decisions from day one, so your app does not need to be rebuilt six months after launch. You’ll get clear communication, realistic timelines, clean code, and a product-focused developer who understands startup speed without sacrificing quality. Send me your app idea, Figma design, or current codebase, and I’ll reply with a clear delivery plan.

Android Developer | Kotlin & Java Expert | 7+ Years of Experience 🚀 Passionate Android Developer with over 7 years of hands-on experience in designing, developing, and deploying high-performance mobile applications. I specialize in building scalable, maintainable, and user-friendly apps using Kotlin and Java, following modern Android architecture and best practices. Key Expertise: ✅ Android SDK – Deep understanding of core Android components and architecture. ✅ Jetpack & MVVM – Best practices for modern, scalable app development. ✅ REST API Integration – Efficient network communication with Retrofit/Volley. ✅ Payment Gateway Integration – Stripe, PayPal, Google Pay, and in-app purchases. ✅ Google Play Console – End-to-end app deployment and management. ✅ Multi-Screen & Adaptive UI – Responsive layouts for all devices. ✅ Room Database & Firebase – Robust offline storage and real-time syncing. ✅ Push Notifications – GCM/FCM implementation for engagement. ✅ Google Fit & Google Maps API – Seamless health and location-based services. ✅ Google Drive API – Cloud storage solutions within apps. ✅ Ad Network Integration – AdMob, Facebook Ads, Unity Ads, and more. ✅ Why Choose Me? I write clean, modular, and testable code that ensures long term maintainability and easy feature expansion. Whether you're building a native Android app I can help you ship robust, production ready solutions faster. Let’s bring your idea to life across platforms! 🌐📱🚀

Android Engineer with 7+ years building production-grade fintech, banking, and consumer apps. I pioneered the first WebSocket + Protobuf implementation on Android , and engineered Paging 3 pagination and Gradle Version Catalogs optimization reducing build configuration duplication by 30% across 10 modules. What I bring to your project: Native Android (Kotlin + Jetpack Compose) — full feature development, UI from Figma, Clean Architecture, MVVM, and modular design. I ship fast without cutting corners. Fintech & Banking expertise — transaction flows, secure authentication, real-time data (WebSocket, Protobuf), payment SDK integration (GoPay, chip/server-based), and Play Billing. I understand compliance-critical environments. Flutter cross-platform — built full apps with BLoC, Dio, and Modular architecture. Delivered AI-integrated chat, attendance systems, and tourism apps from scratch. Performance & stability — RecyclerView/Paging 3 optimization, StrictMode profiling, scroll performance fixes, crash reduction, and background service management. SDK & integrations — Firebase (Auth, FCM, Firestore, Analytics, Crashlytics), Google Maps, SSO, REST/Retrofit, Room, and third-party SDK onboarding. Key achievements from production apps: - Improved task completion speed 20% by revamping UI - Reduced Gradle build duplication 30% - Cut critical bug backlog 40% , extending product lifecycle - Built AR virtual makeup try-on app with 25% latency reduction - Delivered payment SDK integrated I work async-first, communicate proactively, and treat every codebase like it's my own. 100% Job Success on Upwork across all completed contracts. Ready to discuss your project — share your idea or existing codebase and I'll propose a practical plan.

I'm a passionate and curiosity-driven Software Engineer specializing in Mobile application development with more than 7 years of hands-on experience and a Bachelor's degree in Computer Science. • I will always try to improve your idea by providing suggestions for things that are not clear for you. • Always give my best for each and every app. • I also like to work on projects that use new technology. Mobile Application Development Technical Aspects: - Kotlin, Java, Android Studio - MVP/MVVM - API Integrations - Firebase Integration - Payment SDK integration - Ads SDK Integration (AdMob, Appodeal, inMobi, AppNext, Fyber, MoPub) - Google Maps and other Google's APIs (Maps, Analytics, OAuth) - Social media integration (Facebook, Twitter, Google, Github) - RESTful Webservices (JSON, XML) - UI design with Material Design and Constraint Layout - Most of the commonly used 3rd-party libraries and SDKs. I take pride in my work and stand by its quality. I would love to bring your idea to life and suggest best practices.

Looking for a robust, scalable, and high-performance mobile solution? I am a specialized Android Developer with a strong focus on Kotlin Multiplatform (KMP) and modern native development. With a Master's degree in Applied Mathematics and over 5 years of intensive commercial experience, I don't just write code—I solve business problems using technology. My goal is to help you launch products faster and more efficiently, whether it's a complex enterprise solution, a consumer app, or a cross-platform project using KMP. 🚀 What I Bring to Your Project: - Fintech & Security: Proven track record with sensitive financial data, secure APIs, and strict compliance (ATON Investment Co.). - Modern & Legacy Stack: Expert in Kotlin/Jetpack Compose with strong skills in refactoring legacy Java code. - KMP Efficiency: Share business logic between Android/iOS to cut budget and time-to-market. - Complex Integrations: Hardware (NFC, printers), Fiscalization systems, Custom UI, and CI/CD pipelines. 🏆 Key Achievements: - ATON (Fintech): Developed ATON Line investment app for high-net-worth clients. Refactored Java→Kotlin, ensured security compliance, and optimized architecture (MVP→MVI). - Bark (Logistics): Led development of a Kiosk Self-Service App with NFC integration and fiscalization. Worked directly with Chinese technical documentation. - Startups & Enterprise: Built scalable UI Kits, multi-language apps (XmarineIQ), and established CI/CD processes from scratch. 🛠 Tech Stack: Kotlin, Java, Jetpack Compose, KMP, MVVM/MVI, Clean Architecture, Retrofit, Ktor, Room, Koin, Dagger2, GitLab CI/CD, Firebase. I actively use Claude Code (Anthropic's AI coding assistant) as part of my development workflow to accelerate delivery and maintain high code quality. 🤝 Why Work With Me? - Strong Math Background: Ensures logical, optimized, and bug-free algorithms (crucial for finance). - Business-Oriented Mindset: I focus on ROI and product goals, not just closing tickets. - Enterprise Standards: Experienced in code reviews, team collaboration, and delivering stable releases without micromanagement. - AI-Augmented Development: I leverage Claude Code to speed up routine tasks, catch issues early, and keep focus on architecture and business logic — delivering more in less time. I am ready to dive into your project and deliver results that exceed expectations. Let's discuss how I can help bring your app idea to life! 📩 Invite me to your job, and let's get started!