Hire the Best Android Developers

Are you looking for a dedicated Mobile App Developer who can build high-performance, beautiful, and scalable apps for both Android and iOS? You are in the right place!  I am an experienced Mobile Application Developer specializing in Flutter (Cross-Platform) and Native Android (Kotlin & Jetpack Compose) development. Whether you need a brand new app built from scratch or want to optimize and upgrade an existing application, I deliver clean code and robust solutions.  🚀 My Core Expertise: • Cross-Platform Development: Flutter, Dart (Single codebase for smooth Android & iOS apps). • Native Android Development: Kotlin, Jetpack Compose, Material 3, Android Studio. • Backend & Databases: Firebase (Firestore, Auth, Cloud Functions), REST APIs, Node.js. • Advanced Features: AI Integration, Third-party SDKs, Push Notifications, Google Maps. • Architecture: Clean Architecture, MVVM, Bloc / Provider (for Flutter state management).  Why Work With Me? • 100% Client Satisfaction & dedication to project deadlines. • Writing maintainable, readable, and highly secure code. • Excellent communication and regular project updates.  Let's turn your app idea into a successful product. Click the "Invite to Job" or "Message" button, and let's discuss your project!

⚡️ Top 3% on Upwork ⚡️ 7000+ hours ⚡️ 100% Job Success 🔸️ 9+ years of experience 🔸️ 20+ projects done 🔸️ 15+ apps built from scratch Feedback about working with me: ⭐️⭐️⭐️⭐️⭐️ "What I liked about working with Mohammed is that he was enthusiastic about the project and clear in his communication. Before implementing something he would make sure he understood the task correctly. (This is a feature I look out for in freelancers as it can potentially save you lots of money and frustration)" ⭐️⭐️⭐️⭐️⭐️ "A very good developer to work with, very skilled, punctual, and has very friendly behaviour, and very good communication skill also. Also like to hire next time." ⭐️⭐️⭐️⭐️⭐️ "Mohammed has ample skills to get the project done in timely fashion. Adheres to schedule and provided us with alternate solution which wasn't the scope of work. Happy to hire him again" ⭐️⭐️⭐️⭐️⭐️ "Great developer with good skills in Android development. He understood the project requirements and brought up good suggestions. And plus he is always available. I highly recommend him and will continue working with him on some other project." ⭐️⭐️⭐️⭐️⭐️ "Mohammed is a very skilled and careful programmer. His work was very thorough and detailed" ⭐️⭐️⭐️⭐️⭐️ "Mohammad was one of our better employees. Mohammad's strength is hard work and perseverance - he tries to solve problems, not avoid them. I wish Mohammad good luck in his future ventures and hope to work with him again." ⭐️⭐️⭐️⭐️⭐️ "Mr. Muhammed is one from the best android developers worked with, he did very difficult project with multiple scenarios, i hope to work with him in my future projects." ⭐️⭐️⭐️⭐️⭐️ "Mohammed is very skillful. Tracks and corrects the end-to-end process, with ideas and solutions that make a better final result." ⭐️⭐️⭐️⭐️⭐️ "Great again, Probably the best professional we have hired. Thanks again." ⭐️⭐️⭐️⭐️⭐️ "Highly talented developers can be hard to find. He is one of the best developers i've found. His communication was top-notch, he met all deadlines, and his skills were reasonably strong" ⭐️⭐️⭐️⭐️⭐️ "all perfect, thanks!" ⭐️⭐️⭐️⭐️⭐️ "Good work. We will continue working with him." Why Hire Me? 💫 Your project is in capable hands, with clean, maintainable code built with best practices, ensuring your investment is maximized and not wasted. 💫 I prioritize your requirements and only take on projects if I can deliver 100% satisfaction. 💫 I ensure timely project completion by keeping track of schedules, deadlines, and your needs. 💫 I listen to your needs and provide solutions aligned with your business goals. About me: My name is Mohammed, and I am an Android/IOS Developer, highly skilled in native app development with 9+ years of experience designing, building, and customizing apps for various domains such as Hotel Management, Freight forwarding & shipping software solutions, Payment System, Doctor Booking, Health, and Fitness, Food Industry, Social Media Apps, Dating App, Productivity Apps, Service Providers, etc. I have the passion to help you complete your project in the best possible way. My Mobile Development skills include expertise in: 🔸️ C++ / Java / Kotlin / Swift / Javascript 🔸️ Native Android / IOS Development 🔸️ Cross-Platform - KMM / React Native 🔸️ XML && Jetpack Compose 🔸️ XCode Storyboard && SwiftUi 🔸️ Android widgets 🔸️ Android Jetpack libraries 🔸️ Android app modularization 🔸️ App Security 🔸️ App Architecture patterns such as MVC, MVP, MVVM, Delegate swift 🔸️ Phone/Tablet && Wear OS && Android TV/ AndroidAuto && Android widgets 🔸️RSocket 🔸️ WebRTC 🔸️ Dagger/Hilt 🔸️ Rx (Java, Kotlin) 🔸️ Kotlin Coroutines 🔸️ Local Database management with SQLite, Realm, ORMLITE, Room 🔸️ working with APIs (Retrofit, Volley, okhttp3, Ktor) 🔸️ working with real-time APIs (WebSockets, XMPP, IoT MQTT) 🔸️ implementing (Work Managers, Background Services, Alarm Managers) 🔸️ Firebase Integration 🔸️ Maps (Google, MapBox, Openstreetmap) 🔸️ social media integration with Facebook, Twitter, and Instagram 🔸️ PDF Rendering 🔸️ 3D Model Rendering 🔸️ device hardware such as Bluetooth, GPS, Accelerometer, Camera, etc. 🔸️testing (Unit testing, Espresso testing) In addition to my Mobile Development skills, I also have expertise in: 🔸️ Data Structures and Algorithms 🔸️ OOP patterns 🔸️ Spring framework 🔸️ JavaFx 🔸️ Angular 🔸️HTML 🔸️CSS 🔸️typescript 🔸️Git (Bitbucket, GitHub, Gitlab) 🔸️Agile methodology Please do not hesitate to reach out if you have any questions or if you are interested in working with me. I look forward to the opportunity to work with you ^_^.

🟢 𝗛𝗲𝗹𝗽𝗶𝗻𝗴 𝘂𝗽𝗱𝗮𝘁𝗲 𝗮𝗽𝗽𝘀 𝘁𝗼 𝘁𝗮𝗿𝗴𝗲𝘁 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝟭𝟲 (𝗔𝗣𝗜 𝗹𝗲𝘃𝗲𝗹 𝟯𝟲) 𝗼𝗿 𝗵𝗶𝗴𝗵𝗲𝗿 𝘁𝗶𝗹𝗹 𝗢𝗰𝘁 𝟭🟢 I'm a native Android Developer (10yrs) & Kotlin Developer helping founders and product teams: 🔸️build high-performance apps from 0 to launch 🔸️upgrade outdated apps 🔸️fix "vibe-coded" app performance 🔸️integrate on-device AI / LLMs to save cloud costs 🔸️set up GitHub Actions (CI) for testing and deployment 🔸️and stay compliant with Google Play policies. ✅️ 100k+ MAU app dev experience ✅️ 4.5+ average rating across launched Google Play apps ✅️ 99.9% crash & ANR free users across all launched apps ✅️ Staying compliant with Google Play policies ✅️ Kotlin + Jetpack Compose ✅️ Hands-on experience with AI-powered apps, local SLM / LLM, MediaPipe, LiteRT / TFLite ✅️ Hands-on experience with Kotlin Multiplatform ( KMP , CMP ) ✅️ 5-star feedback from past clients ✅️ 100% JSS ✅️ 30+projects delivered 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 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

Hi, I’m Nimisha 👋 I am an Android developer with strong skills in building clean, functional, and user-friendly mobile applications. My main focus is on delivering quality apps that meet client needs while keeping performance and design in mind. ✅ What I Do Best: Develop Android apps from scratch Fix crashes, bugs, and performance issues Add new features and updates to existing apps Integrate REST APIs and Firebase (Authentication, Database, Push Notifications) Design Android UI with XML layouts Publish apps to the Google Play Store Work with SQLite and Room Database Maintain and support apps after delivery ✅ Why Choose Me: Clear and professional communication Attention to detail and problem-solving Ability to take an idea from concept to a fully functional app Focus on long-term reliability and client satisfaction Let’s connect to turn your app idea into reality 🚀

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

Need an experienced mobile app developer to build, upgrade, or fix your app? With 5+ years of hands-on experience, I specialize in native Android app development using Kotlin & Java — and have expanded into iOS, Flutter, React Native, and Node.js to deliver complete cross-platform and full-stack solutions. I work on both new apps and existing projects: bug fixing, performance optimization, and feature enhancements. ✅ Services I Provide: Native Android App Development using Kotlin & Java Cross-Platform App Development with Flutter & React Native iOS App Development Backend Development with Node.js, Express.js & MongoDB Jetpack Compose for modern UI/UX Fixing Bugs & Crashes in Existing Apps App Maintenance & Updates Firebase Integration: Analytics, Firestore, Realtime DB, AdMob In-App Purchases, Deep Linking, Push Notifications Video & Audio Streaming: ExoPlayer, WebRTC API Integration: REST, GraphQL, Retrofit, OkHttp Offline Functionality, Caching, Secure Payments 🛠 Projects I Work On: New custom Android, iOS, or cross-platform apps from scratch Existing apps that need fixes, updates, or performance improvements Apps rejected by Google Play for policy issues or outdated SDKs Feature integration into legacy codebases Full-stack projects needing both mobile app + backend API 🏆 Tools & Technologies: Kotlin, Java, Jetpack, Hilt, Dagger, Coroutines, Room Flutter, Dart, React Native, JavaScript Node.js, Express.js, MongoDB Kotlin Multiplatform Mobile (KMM) MVVM, MVP, Clean Architecture Firebase, Stripe, Razorpay, Agora, Twilio, Linphone SDK 📈 Let's turn your app idea into reality — or rescue and improve your existing one, on whichever platform fits your project best. 💬 Message me now and let's get started!