GOVIND TANK

Senior Mobile Application Developer (Kotlin | Flutter)

High-performance Senior Mobile Application Developer with 9+ years of experience architecting scalable Android (Kotlin/Java) and Cross-Platform (Flutter) solutions. Proven expertise in building robust applications serving 100,000+ active users with 99.9% crash-free stability. Deeply specialized in Clean Architecture, MVVM/Bloc patterns, and modern UI toolkits like Jetpack Compose. Demonstrated leadership in full-lifecycle development—from system design to Play Store deployment—delivering secure, media-rich applications with advanced features like Android Auto, background services, and CloudFront content delivery.

• Scale & Stability: Scaled "Akshar Amrutam" to 100,000+ downloads while maintaining a 99.95% crash-free session rate via rigorous testing and Crashlytics monitoring.
• Media Engineering: Engineered a secure audio streaming engine for "BAPS Prakash" using AWS CloudFront Signed Cookies and audio_service for seamless background playback.
• Ecosystem Integration: Successfully integrated Android Auto and complex deep linking strategies, increasing user engagement and retention by 25%.
• IoT Performance: Optimized battery usage for IoT hardware companion apps by refactoring background services and implementing efficient BLE communication.

• Languages: Kotlin, Java, Dart (Flutter), TypeScript, JavaScript (Node.js), SQL.
• Android Native: Android SDK, Jetpack Compose, Coroutines, StateFlow, LiveData, Broadcast Receivers, WorkManager, Android Auto, Material 3 Design.
• Flutter Ecosystem: Flutter Bloc, Provider, AutoRoute, Freezed, Method Channels, audio_service, Equatable.
• Architecture: Clean Architecture, MVVM, MVI, Repository Pattern, Dependency Injection (Dagger Hilt, Koin).
• Backend & Cloud: Node.js, Express.js, Firebase (Auth, Firestore, Remote Config, Cloud Messaging), AWS CloudFront, RESTful APIs, GraphQL.
• DevOps & Tools: CI/CD (GitHub Actions), Docker, Git, Gradle, Android Studio, VS Code, Postman, Play Store Console, TestFlight.

• Lead Mobile Engineering: Directed the complete overhaul of the "BAPS Prakash" application (50k+ users), focusing on secure content delivery and premium user experience.
• Secure Media Streaming: Implemented AWS CloudFront Signed Cookies to securely stream copyright-protected audio content, preventing unauthorized access.
• Advanced Audio Features: Integrated audio_service to handle complex background audio tasks, lock-screen controls, and Android Auto compatibility.
• Backend Architecture: Architected high-concurrency RESTful APIs using Node.js and TypeScript for an internal HCP ERP system.

• Flutter Architecture: Spearheaded the development of "Akshar Amrutam" using Flutter and Clean Architecture.
• State Management: Utilized Flutter Bloc to manage complex application states across devices.
• Global Project Delivery: Managed end-to-end delivery of international projects (DRC USA, Max's Fun Club South Africa).
• IoT Integration: Built Smartindia/Autozon with real-time MQTT communication between mobile devices and IoT hardware.

• Background Processing: Engineered robust background services for La Crosse View.
• Performance Optimization: Reduced startup time by 30% and memory footprint by 20%.
• Legacy Migration: Refactored Java codebases to Kotlin, reducing NullPointerExceptions by 95%.

• Developed utility apps focusing on battery efficiency and overlay permissions.
• Built hyper-local marketplace using Geofencing APIs.

• Early-stage mobile product development and CI/CD setup.
• Implemented complex GST tax logic with 100% accuracy.

AES College, Ahmedabad

Navgujarat College, Ahmedabad