Kolla L.

I am a Senior Android Application Developer with 4+ years of professional experience in designing, developing, testing, and maintaining high-quality Android applications. I have worked across the complete software development lifecycle, from requirement analysis to Play Store deployment, delivering scalable, secure, and user-friendly mobile apps. I specialize in Kotlin and Java, with strong expertise in modern Android architecture patterns (MVVM, MVP, MVC) and Jetpack Components. My experience includes building feature-rich applications for banking, fintech, e-commerce, food delivery, vehicle rentals, and agriculture domains. I have hands-on experience integrating REST APIs, payment gateways, Google Maps, push notifications, authentication systems, and offline storage, ensuring smooth performance across different devices and screen sizes. I am detail-oriented, quick to adapt to new SDK updates, and committed to writing clean, maintainable, and scalable code. Core Skills & Expertise # Android Development - Kotlin & Java - Android SDK & Android Studio - XML UI Design - Material Design # Architecture & Jetpack - MVVM / MVP / MVC - Jetpack Components (Navigation, ViewModel, LiveData, Room, Data Binding) - Coroutines # Backend Integration - RESTful APIs - Retrofit, OkHttp - GSON # Databases & Storage - Room Database - SQLite - Shared Preferences # Google & Third-Party Integrations - Google Maps API (V2) - Location Services (GPS) - Firebase Cloud Messaging (Push Notifications) - Google Sign-In & Social Login - OneSignal Notifications # Payments - PayTM Payment Gateway - EWay Payment Gateway # Media & Utilities - Glide, Picasso - Offline-first applications # Dev & Collaboration Tools - Git - Azure DevOps - Debugging & Performance Optimization Why Hire Me? - 4+ years of real-world Android development experience - Clean, maintainable, production-ready code - Strong problem-solving and debugging skills - Experience across multiple business domains - Reliable communication and on-time delivery