Java / Kotlin Mobile Developer

Joining: Immediate opening [Joining Bonus / Notice period buyout available for the right candidate.]
Experience: 3+ yrs
Job Type: Full-time
Location: Mumbai
Job Description: We're hiring a Lead Android Developer to design, build, and ship high-quality Android apps in Java. You'll own mobile architecture, performance, and security, and lead a team of Android developers. You'll build secure, high-performance apps for fintech, payments, and high-transaction platforms.
Responsibilities
Lead end-to-end development of Android apps in Java
Define and enforce architecture, coding standards, and best practices
Collaborate with backend teams on API integration
Ensure app performance, responsiveness, and scalability
Implement UI/UX with a strong focus on user experience
Mentor and guide junior developers
Manage releases, versioning, and Play Store deployments
Troubleshoot production issues; improve crash-free rates and stability
Implement security best practices (secure storage, encryption, root/tamper detection)
Stay current with Android trends and tools
Required Skills
Strong experience in Android development with Java
Working knowledge of Kotlin
Solid grasp of architecture patterns (MVVM, MVP, Clean Architecture)
Android Jetpack (ViewModel, LiveData, Room, WorkManager, Navigation)
REST APIs and third-party SDK integrations (Retrofit, OkHttp)
Multithreading and async handling (RxJava, Executors, Handlers)
Performance optimization and memory management (profiling, leak detection)
Local storage (SQLite, Room, SharedPreferences, EncryptedSharedPreferences)
Real-time features (WebSockets, FCM push notifications)
Git
Advanced Skills (Preferred)
High-scale apps (fintech, payments, wallets)
Dependency injection (Dagger / Hilt)
Analytics tools (Firebase, Mixpanel)
Mobile security (Android Keystore, SSL pinning, ProGuard/R8, OAuth, JWT)
Mobile CI/CD (Gradle, Jenkins, GitHub Actions, Fastlane)
Unit and UI testing (JUnit, Mockito, Espresso)
Leadership & Management Skills
Experience leading a team of Android developers
Ability to run code reviews and enforce standards
Strong ownership and decision-making
Experience with sprint planning and agile
Nice to Have
Fintech / banking / payments background
Knowledge of UPI, wallets, or digital payment SDKs
Exposure to microservices-based backends
Familiarity with Play Store policies and RBI/NPCI app security guidelines

Work arrangement
No