Hire the Best Android Developers

Need an Android app that is fast, scalable, and production-ready? You're in the right place. I'm Inam Ullah Khan, a Native Android Developer with 3 years of experience building modern Android applications using Kotlin, Jetpack Compose, MVVM, Firebase, and REST APIs. I help startups, SaaS companies, and growing businesses build Android apps that are reliable, maintainable, and ready for real users. What I can help you with: • Build Android apps from scratch • Jetpack Compose UI Development • Kotlin & Java Development • Firebase Authentication, Firestore & FCM • REST API Integration • Room Database & Offline Support • Google Maps & Location Features • Payment Gateway Integration • AI Features using OpenAI APIs • Bug Fixing & Performance Optimization • Google Play Store Publishing Why clients hire me: ✓ Clean, maintainable architecture (MVVM + SOLID) ✓ Fast communication ✓ Daily progress updates ✓ Production-quality code ✓ Long-term support I focus on building Android applications that are easy to scale, easy to maintain, and enjoyable for users. If you're looking for a reliable Android developer who can turn your idea into a polished product, I'd be happy to discuss your project.

10+ years in mobile development. Flutter, Swift, Objective-C, Kotlin, Java. ✅ OOP, FRP, Protocol Oriented Programming, Reactive Programming ✅ Architecture Patterns: MVC, MVP, MVVM, Viper, Clean Swift, RxSwift, RxJava, GAA ✅ Understanding & ability to leverage iOS and Android features ✅ JSON, REST API ✅ Custom transition and animation ✅ Build chat applications ✅ Git; ✅ Agile Methodology ✅ Friendly, Flexible, Punctual, and Professional ✅ Working on iOS and Android apps since 2011 ✅ Fluent English ✅ 9000+ hours billed on Upwork ✅ Worked with successful startup companies ✅ 100% Job Success ✅ Agile Methodology ✅ $300,000+ billed

Trusted App Testing Partner | 12 Testers for 14 Days | 4,000+ Apps Successfully Published Hi, I am Karthik. I run Testers Community, a dedicated service focused on helping Android developers complete the 12 testers for 14 days requirement needed for Google Play production access. Over the 2 years, I have supported more than 4,000+ apps in completing their testing period successfully. My team provides real users who test your app every day and follow the exact Play Store guidelines, ensuring your app becomes eligible for production access without any issues. I help developers in completing the 12 testers for 14 days requirement on Google Play Store. What I Offer: 1) 25 testers who will test your app for the next 16 days. 2) 100% Production access guarantee else we will cancel the order, so you'll be getting a full refund. 3) Detailed Feedback Reports and also Production Access Form answers that you can use while filling the form after 14 days. 4) testers will be assigned within just 6 hours. 5) 24/7 support Why Clients Work With Me: I have long experience working with apps across all categories and a deep understanding of Play Store policies. My process is simple, transparent and focused entirely on helping your app reach production access smoothly. If You Have Any Doubts: If you are unsure about the process or have specific questions about your app, feel free to contact me. I will help you understand everything clearly and make sure every issue gets resolved before we begin. Below is the exact requirement that we help developers in overcoming: - Have at least 12 testers opted-in to your closed test - Run your closed test with at least 12 testers, for at least 14 days

🚀 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁 𝗼𝗻 𝗔𝘂𝗴 𝟭𝟭 ✅ 10 years in the trenches: Top-Rated native Android Developer & Kotlin Developer ✅️ 100k+ MAU app development experience ✅️ 4.5+ average rating across launched Google Play apps ✅ Under 0.1% crash & ANR rate across all launched apps ✅️ 5-star feedback from past clients ✅️ $100k+ earned on Upwork with Top-Rated status ✅️ 100% JSS ✅️ Hands-on experience with Kotlin Multiplatform ( KMP , CMP ) As an experienced Android Developer & Mobile Developer, I help startups, SMBs, and founders fix "vibe-coded" apps performance, ship MVPs in weeks, integrate on-device AI / LLMs to save cloud costs, and build scalable apps from 0 to launch. In 2026 I specialize in: - on-device AI integration using MediaPipe / LiteRT / Google ML Kit / TensorFlow ( Object detection , Face detection , Pose detection , Text summarizing, OCR , TTS, STT ); - video / media editing apps ( FFMpeg , AndroidX Media3 , MediaCodec ); - build, improve and maintain media , social , edtech, utility, productivity tools); - performance optimization , bug fixing , firebase crash resolution and ANRs 🌟🌟🌟🌟🌟 Recent feedback : "I was particularly impressed by his strong attention to detail - nothing was overlooked, and the quality of the work consistently met high standards. He showed real commitment to the project, staying engaged and proactive throughout the development process. His regularity and consistency in delivering work made collaboration smooth and reliable." - Neil 🚀 Also I've been building my own Android apps so that gives me a deep understanding of not only a technical part but also ASO and monetization strategy. ✅️ Recent large-scale projects: --- PDF Maker & Reader (130k+ installs , 🌟4.6 on Google Play) Role: Android Developer / Android App Developer / Kotlin Developer I recently built this high-performance Android app from scratch based on Figma mockup using Kotlin. It allows users to quickly convert images to PDF and edit existing PDFs using a fast, local-first architecture. The app has achieved 130k+ downloads and 8k monthly active users on Google Play, with the crash rate lower than 0.1%. --- --- US Medical Education App (COMQUEST for COMLEX & COMAT Prep) Role: Android Developer / Android App Developer / Mobile Developer As part of an international team alongside iOS Developer and Web Developer, I built this Android app from scratch based on Figma designs for US medical students. Continue providing ongoing support for this project, ensuring the mobile app remains a stable and reliable tool for users. --- --- US Automotive Video Suite app Role: Android Developer / Android App Developer / Mobile Developer In collaborating with an iOS Developer and a Full Stack Developer, I built two native Android apps from scratch as a clone of iOS apps (Dealer Video Inventory and Dealer Video Suite) that allows dealers to capture high-quality vehicle inventory videos and photos. These projects helps dealers increase sales through personalized video. --- 🌟 🌟🌟🌟🌟 "Dmitri is a pleasure to work with. He's Android programming skills are exceptional. He's always professional and easy to work with. He is very methodical in his approach. Which at times has resulted in delivery scheduling slipping a little but I rather have a good product than a hastily put together product. We're continuing to work with Dima for other projects." - Philip Whether you are looking for a Mobile Developer to lead a new project or an Android Developer to optimize an existing Java / Kotlin codebase or optimize performance, my goal is to provide technical clarity and long-term stability. As a team player for cross-platform projects I have a proven track record of working alongside iOS developers to ensure smooth releases. I also have specific experience collaborating with Flutter Developers and Full Stack Developers to bridge the gap between cross-platform Flutter / React Native code and the system features specifically by developing custom Java / Kotlin modules to handle native Android OS functionality that standard Flutter plugins can't reach. --- 🚀 My core stack: 🔸️Languages: Java , Kotlin 🔸️UI: XML , Jetpack Compose 🔸️Architecture: MVVM , MVI , Clean Architecture 🔸️Native: Android SDK , Android Studio 🔸️Multiplatform: Kotlin Multiplatform ( KMM / KMP ) / Compose Multiplatform ( CMP ) 🔸️Key features: Camera , Photo & Video capture and edit using FFMpeg , OpenGL , OpenCV ; GPS , Location , Chat , Background syncronization , WorkManager and foreground services, ofline-first approach, on-device AI / LLM , VPN / WireGuard , ExoPlayer / Media3 🔸️On-device AI integration : Video analysis , Image recognition , Object detection , Face detection , Pose Detection , Camera stream analysis , Text-to-Speech , Speech-to-Text ( MediaPipe / Google AI Edge , TensorFlow / TFLite , Google ML kit ). 🔸️Cloud AI integration : OpenAI , Gemini API

🌟 “𝐓𝐫𝐮𝐥𝐲 𝐬𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐌𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐚𝐫𝐞 𝐦𝐞𝐚𝐬𝐮𝐫𝐞𝐝 𝐛𝐲 𝐭𝐡𝐞𝐢𝐫 𝐢𝐦𝐩𝐚𝐜𝐭 𝐢𝐧 𝐬𝐨𝐥𝐯𝐢𝐧𝐠 𝐫𝐞𝐚𝐥-𝐰𝐨𝐫𝐥𝐝 𝐮𝐬𝐞𝐫 𝐩𝐚𝐢𝐧 𝐩𝐨𝐢𝐧𝐭𝐬, 𝐧𝐨𝐭 𝐦𝐞𝐫𝐞𝐥𝐲 𝐭𝐡𝐞 𝐬𝐨𝐩𝐡𝐢𝐬𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐭𝐡𝐞 𝐰𝐫𝐢𝐭𝐭𝐞𝐧 𝐜𝐨𝐝𝐞.” I specialize in transforming business concepts into high-speed, cross-platform mobile applications (iOS and Android) that boast a robust architecture and exceptional scalability. My work extends beyond programming; the core of my approach involves in-depth user analysis, crafting intuitive interfaces, and building a product designed to drive revenue and foster business growth 📈. By strictly adhering to premium software architecture standards and a systematic development pipeline, I ensure your application is not just fit for today but is future-proof and ready to scale with your enterprise 💼. ⚙️ 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗮𝗿𝗲𝗮𝘀: - Cross-Platform Mobile App Development using Flutter, Dart - iPhone app development - iPad app development - iOS SDK/framework development - Swift, iOS SDK, Xcode - Android app development - Android library development - Kotlin, Java, Android SDK, Android Studio 🧩 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗮𝗻𝗱 𝗧𝗼𝗼𝗹𝘀 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲: - Dart, Swift, Kotlin, Java - BLoC Pattern, Provider, Font Awesome Flutter, MVVM, Clean Architecture, MVC, MVP - Github, Gitlab - Firebase Storage, Firestore, Realtime database, Analytics, Push Notification, in-app Messaging, In-app-purchase - Payment Gateway Integration - Youtube API, Google Maps, Geofencing - Deep linking, Firebase dynamic links - Data storage: Realm, Room, SQLite, Coredata 💡 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 𝗮𝘀 𝗬𝗼𝘂𝗿 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 🧠 I follow proper software architecture that ensures scalable and maintainable apps 📅Weekly progress updates & flexible work hours (fixed price or hourly) 🤝 Teamwork and long-term support my clients love my collaborative approach 📌 If you’re looking for someone who lives and breathes mobile app development, let’s connect. I’ll help you build an app that not only works but also grows your business 🚀 🔑 𝗞𝗲𝘆 𝘀𝗸𝗶𝗹𝗹𝘀: Flutter, Mobile App Development, Cross-Platform Mobile App Development, iOS Flutter Mobile App Development, Android Flutter Mobile App Development, Dart Programming, Swift Programming, Kotlin Programming, Java for Android, Material & Cupertino Design, Firebase Integration, Backend Integration, RESTful APIs, Push Notifications, App Performance Optimization, Version Control (Git), Mobile App Testing, AI & Automation Integration (ChatGPT, OpenAI API), Payment & Third-Party API Integration, Responsive & Adaptive Layouts, App Debugging & Maintenance, App Store & Google Play Publishing.

Fundamentals: Experienced Android Developer 20+ released projects 7+ years of Android development experience English: Fluent I've been developing high-quality mobile apps for more than 7 years now. I've been working on a broad variety of projects: mobile banking apps, mobile clients for enterprise systems, educational and entertaining apps, b2b and b2c projects. I've worked with applications requiring different technologies and skills. I especially want to note the experience of fixing errors made by previous developers.