Hire the Best Android Things Professionals

Senthil Kumaran | Developed over 95 apps | Expert Android Developer | 16+ Years in Software Engineering | 11+ years of Mobile Development Seasoned developer with 11+ years of focused Android expertise and 16+ years in full-cycle software development. Equipped with an MSc. in Advanced Software Engineering from the University of Westminster, UK, I combine academic rigor with hands-on technical mastery to deliver scalable, high-performance mobile solutions. Technical Excellence Android Development: Native app development, API integration (Google Maps, Firebase), and performance optimization. Full-Cycle Mastery: Proven track record in ideation, architecture design, testing, and deployment. Tools & Practices: Git, GitHub/Bitbucket, unit/automated testing, and Agile workflows. Professional Strengths 🛠️ Problem-Solver: Tackle complex technical challenges with systematic analysis and innovative solutions. 💡 Self-Driven: Thrive in independent or team environments with a lead-by-example mindset. 🔄 Adaptive Learner: Passionate about emerging technologies, continuously refining skills through self-study and experimentation. 🎯 Results-Focused: Deliver client-aligned outcomes by balancing efficiency, scalability, and maintainability. Why Work With Me? Client-Centric Approach: Transparent communication, rigorous QA processes, and adherence to deadlines. End-to-End Ownership: From requirement analysis to post-launch support, I ensure seamless project execution.

Are you looking for a Google Play Console expert to help you pass the mandatory closed testing phase? I specialize in providing the 12 testers and 14 days of continuous engagement required for new developer accounts to gain Production Access. With a 100% success rate, I help developers move from closed beta to a live Play Store release. I don't use bots or emulators; I provide authentic manual app testing using a fleet of 12+ real Android devices (Samsung, Pixel, Xiaomi, etc.). This ensures your Google Play production access application is approved without flags or policy rejections. 🚀 My Google Play Testing Services: ✅ Closed Testing Management: Complete handling of the 14-day testing period to satisfy Google Play’s engagement requirements. ✅ Production Access Strategy: Expert guidance on the Google Play Console application process to ensure a 100% approval rate. ✅ Real-Device QA Testing: Professional mobile app testing on 12+ physical devices to provide authentic usage data and performance metrics. ✅ Bug Reporting & Analysis: Detailed QA audits to identify UI/UX glitches, crashes, and functional bugs before your public launch. ✅ Policy Compliance: Pre-submission reviews to ensure your app follows the latest Google Play Developer Program Policies. 🛠️ Devices & Tools: ✅ Physical Devices: 12+ Real Android phones (Android 10 to Android 14). ✅ Platforms: Google Play Console, Firebase App Distribution, Jira. ✅ Testing Types: Manual Testing, Usability Testing, Regression Testing, and Beta Testing. I am committed to clear communication, high-quality app QA, and fast turnarounds. Let’s get your app through closed testing and ready for production! Contact me today to successfully launch your app on the Google Play Store!

Struggling with Google Play’s new 12-tester requirement, 14-day compliance, or Production Access rejections? I am a Senior Mobile & Web QA Specialist with 8+ years of experience and 100+ successfully published apps since 2016. I help developers pass the mandatory closed testing cycle safely using real devices, active daily engagement, and full Play Console policy compliance. I provide an end-to-end solution for developers and businesses, covering technical QA, store compliance, publishing, and growth support. 📈 My Core Services & Expertise ✅ Google Play Console & App Store Management ✅ Full management of the mandatory 14-day closed testing cycle with 12 or 20 android testers. ✅ Coordination of real testers on real devices (100% compliant, no bots) ✅ Expert app submission, metadata setup, and policy compliance auditing ✅ Resolving Production Access rejections and other store policy issues 💎 Comprehensive QA Testing (Mobile, Web & Shopify) ✅ Mobile & Game Testing: Functional, UI/UX, and performance audits on real devices ✅ Web & Web App QA: Cross-browser testing, responsiveness checks, and bug tracking ✅ Shopify Specialist: Installation, flow testing, and QA for Shopify apps on my own store 💎 App Store Optimization (ASO) & Ranking ✅ Data-driven keyword research to boost organic visibility ✅ Optimization of Title, Descriptions, and conversion elements to increase installs ✅ Competitor analysis to help your app rank higher in search results 💎 Technical Support & Bug Fixing ✅ In-depth bug reporting with screenshots and video recordings ✅ Identifying and fixing deployment issues directly within Android Studio ✅ Performance improvements for a stable and reliable user experience 💎 Why Work With Me? ✅ 8+ Years Experience: Navigated every major store policy update since 2016 ✅ 100+ Apps Live: Proven success in taking apps from development to "Live" status ✅ Real Device Testing: Physical hardware ensures account safety and reliability ✅ One-Stop Expert: I test, fix, publish, and grow your app downloads Stop losing weeks to rejections and bugs. Let’s get your project live and successful! 👉 Click "Invite to Job" to discuss your project and launch with confidence.

I am a tech professional with a Bachelor of Science in Information Technology and a strong foundation in software development, data structures, system analysis, and technical problem-solving. I focus on building practical, efficient solutions and improving user experience through careful attention to detail. I am adaptable, reliable, and quick to learn new tools, technologies, and workflows based on project requirements. My background allows me to support a wide range of technology-related tasks, including coding, troubleshooting, research, data-related work, QA testing, web/app review, and technical support. I can work independently or as part of a team, communicate clearly, and deliver results with accuracy and consistency. If you are looking for a motivated and dependable professional to support your project, I would be happy to help.

👋 Hi there ! Looking for an elite Senior Android Developer to architect, secure, and scale powerful Android applications? With 20+ years in native Android development, I've worked across every major SDK, library, and device evolution - delivering fast, secure, and maintainable apps that perform under pressure. I’ve developed and launched 100+ Android apps with over 20 million total downloads and an average Google Play rating of 4.8+. My work has helped reduce crash rates by 70%, shrink APK sizes by up to 60%, and increase app startup speed by 45%. From startups to Fortune 500s, I’ve led 12+ dev teams in delivering mission-critical, high-ROI apps for fintech, defense, media, and beyond. 🏆 Why Work With Me for Android Development? ✔️ 20+ years of deep Android expertise with Java, Kotlin, Jetpack, and NDK ✔️ Delivered 100+ apps to production — 20M+ installs, 4.8+ average rating ✔️ Reduced load times by 45% through advanced performance profiling ✔️ Security-hardened apps using R8, ProGuard, LLVM, NDK, and SELinux policies ✔️ Scaled enterprise-grade apps with 99.99% uptime and real-time data sync ✔️ Played key roles in HIPAA-, FIPS-, and PCI-DSS-compliant mobile solutions 🚀 Core Android Development Services: 📌 Native Android App Development 🔹 Expert in Kotlin, Java, Android SDK, Jetpack Compose, View System 🔹 Responsive UIs across all screen sizes using ConstraintLayout, MotionLayout, Compose 🔹 Modular architecture (MVVM, Clean Architecture, MVI, VIPER) 🔹 Advanced state handling with LiveData, Coroutines, Flow, RxJava 🔹 CameraX, MediaCodec, ExoPlayer for media-heavy apps 🔹 Full device compatibility from Android 5.0+ through latest Android 14 📌 Android Security & Low-Level Optimization 🔹 Obfuscation, code hardening, and NDK-level protection 🔹 Reverse engineering mitigation via Frida/Root detection 🔹 Low-level optimization with ARM NEON, RenderScript, JNI, and custom kernels 🔹 SELinux customization for hardened AOSP builds 🔹 Hardware integration with sensors, gyroscopes, accelerometers, and BLE 📌 Multimedia, Games & Streaming 🔹 Real-time video/audio with FFmpeg, OpenGL, Vulkan, MediaCodec 🔹 Game engines: Unity3D, LibGDX, custom OpenGL renderers 🔹 Augmented Reality with ARCore, face tracking, 3D overlays 🔹 Advanced drawing tools, canvas-based animation, real-time filters 📌 Backend Integration & Architecture 🔹 REST, GraphQL, gRPC, WebSockets, Firebase, and custom socket protocols 🔹 Secure data sync, push notifications (FCM), and analytics (Firebase, Amplitude) 🔹 CI/CD pipelines using Jenkins, Bitrise, GitHub Actions, and custom Gradle workflows 🔹 Offline sync and caching strategies for resilient performance 📌 Scalable Architecture & Cross-Platform 🔹 Kotlin Multiplatform, Clean Architecture, modularized multi-feature apps 🔹 Deep understanding of Android App Bundles, Play Feature Delivery, and Instant Apps 🔹 Flutter experience for select cross-platform needs (Dart/Flutter SDK) 📌 Database & Networking 🔹 SQLite, Room, Realm, SQLDelight, Firebase Realtime/Firestore 🔹 JSON parsing with Gson, Moshi, org.json 🔹 API integration using Retrofit, OkHttp, Apollo Client 🌟 Results-Driven Impact ✅ 70% reduction in crash rates using advanced testing and monitoring ✅ 45% increase in startup speed through bytecode and resource optimization ✅ 60% smaller APK sizes using modularization and build optimization ✅ 50% faster delivery cycles using custom CI/CD pipelines ✅ 40–65% increase in user retention through performance and UX refinement ✅ 99.99% stability in live apps with over 1M monthly active users 💡 Focused On What Matters Most: ✔️ Clean, scalable, testable code that teams can maintain and extend ✔️ Proactive debugging and crash prevention strategies ✔️ User-first experiences built for performance and engagement ✔️ Modern, maintainable app structure that grows with your business ✔️ Full lifecycle support-from idea to Play Store launch and beyond 🚀 Ready to Build a High-Performance Android App? Let’s talk! Whether you're starting from scratch, rebuilding a legacy app, or scaling for millions-I'll help you build it right, fast, and with precision.

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