09/02/2026 updated
100 % available
Lead Mobile Engineer | Native Android (Kotlin/Java) & Flutter Expert | Cross-Platform Architecture
Pune, India
Worldwide
Bachelor of Technology in Software EngineeringFlutterAndroid (Software)Android Software DevelopmentAndroid StudioMobile Application DevelopmentIOS SDKNext.jsReact.jsGoogle FirebaseBackendKotlinJetpack ComposeDartReact NativeDocker
Native Android Development (Kotlin/Java)
11+ years of expertise in native Android development using Kotlin and Java, including Jetpack Compose, Navigation, Room, WorkManager, ViewModel, Flow, Coroutines, Hilt, MVVM/MVI, and Clean Architecture. Proven track record of architecting and shipping high-performance mobile apps serving millions of users with 99.98% uptime and crash/ANR rates below 0.02%.
Flutter & Cross-Platform Architecture
3+ years of production experience with Flutter, covering Bloc/Riverpod, platform channels, custom plugins, and widget optimization. Deep expertise evaluating native vs. Flutter vs. React Native tradeoffs, designing hybrid solutions, and optimizing code reusability while maintaining native performance standards.
Performance Optimization
Extensive mobile performance optimization across Android and Flutter platforms, achieving startup time improvements of 40%, memory reductions of 50%, 60fps rendering, and crash/ANR rates below 0.02%. Proficient with Android Profiler, Flutter DevTools, Firebase Performance, and memory/CPU profiling techniques.
CI/CD & Quality Engineering
Solid experience with Jenkins and GitHub Actions for automated build, test, and lint pipelines. Implementation of staged rollouts (5% to 100%), release automation reducing release time from 3 hours to 15 minutes, static analysis with Detekt/Lint, and test coverage of 80%+ using JUnit, Espresso, and Flutter widget/integration tests.
Mobile Architecture at Scale
Design and implementation of scalable modular architectures with 8+ feature modules, MVVM to MVI migrations, Jetpack Compose evaluations, and hybrid patterns. Built systems serving 1M+ users with 99.98% reliability while achieving 40% build time reductions.
Backend Integration & APIs
Proficiency in integrating RESTful and GraphQL APIs using OpenAPI/Swagger contracts, Firebase suite (Auth, Firestore, Cloud Functions, Remote Config), payment/analytics SDKs, microservices integration, and event-driven workflows with Kafka.
Technical Leadership & Mentorship
Mentored 8+ engineers across Android and Flutter, conducted architecture reviews, established best practices for code quality, security, and testability, facilitated knowledge sharing via tech talks, and drove team growth resulting in multiple promotions.
Secure Authentication & Storage
Implemented secure authentication flows using OAuth2/JWT, biometric authentication (BiometricPrompt), encrypted SharedPreferences with Keystore, secure storage via Keystore, camera integrations, and config-driven onboarding flows.
Android SDK Internals & Memory Management
Deep knowledge of Android SDK internals including threading/concurrency, memory management (bitmap pooling, leak prevention), RecyclerView optimization, DiffUtil, view pooling, API latency optimization via caching/connection pooling, and ProGuard optimization.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishFluent
Project history
Architected and shipped high-performance apps using native Android (Kotlin, Jetpack Compose, Coroutines, MVVM/Clean) and Flutter (Bloc state management, platform channels for native integration, custom plugins) serving 1M+ users with 99.98% uptime and below 0.02% crash/ANR rates. Evaluated native vs Flutter vs React Native tradeoffs, designed hybrid solutions, optimized performance achieving 40% startup improvement and 50% memory reduction. Mentored 8+ engineers, led modular architecture with 8 feature modules, implemented CI/CD pipelines with 80%+ test coverage, and integrated RESTful/GraphQL APIs and Firebase suite.
Built cross-platform gaming app using Flutter for iOS/Android UI (Bloc state management, custom animations, complex widgets) and native Android modules (Kotlin for performance-critical features, match recording MediaProjection API, secure storage Keystore), achieving 99.5%+ crash-free and 23% W1 retention. Optimized performance with Flutter DevTools and native Android profiling, achieving 50% memory reduction and 35% cold start reduction.
Led technical direction for cross-platform app (Flutter for iOS/Android UI and native Android modules) scaled to 1.2M+ users with 99.9% SLA and improved NPS from 3.6 to 7.5, achieving 4.5+ stars on Play Store. Built production Flutter apps with complex UI and animations, optimized API latency by 60%, reduced app size from 50MB to 17MB, resolved memory leaks/ANRs achieving 99.9% crash-free. Mentored 8+ engineers, established best practices, facilitated 3 promotions, and maintained 75%+ test coverage.