We are looking for a Senior Mobile Developer (Flutter) to lead mobile app development across enterprise projects. The candidate must have strong expertise in Flutter and hands-on experience with React Native to support cross-platform initiatives. This role requires a deep understanding of mobile architecture, performance tuning, and secure coding.

Key Responsibilities :

- Lead the development and deployment of scalable mobile apps using Flutter

- Collaborate with teams working in React Native; support shared feature sets or platform decisions

- Architect and implement a clean, maintainable, and modular codebase

- Optimize app performance - load time, rendering, memory consumption, and FPS

- Ensure secure handling of data, API calls, token management, and user authentication flows

- Integrate REST, GraphQL, WebSockets, and third-party SDKs

- Implement and maintain CI/CD pipelines (GitHub Actions, Bitrise, Fastlane)

- Write and maintain unit, widget, and integration tests

- Work with native modules for Android (Java/Kotlin) and iOS (Swift/Obj-C) as needed

- Participate in peer code reviews and knowledge-sharing sessions

- Collaborate with DevOps and QA teams for streamlined delivery and monitoring

- Ensure compliance with OWASP Mobile Top 10 and enterprise-grade app security guidelines

Technical Competencies :

- 7+ years of experience in mobile development with a minimum of 5+ years in Flutter

- Experience with React Native debugging, contributing, or supporting apps in production

- Strong grip on state management frameworks (BLoC, Provider, Riverpod, Redux, etc.)

- Deep understanding of :

App performance tuning (lazy loading, deferred assets, caching, size optimization)
Secure storage (flutter_secure_storage, Keychain, Android Keystore)
API security (OAuth 2.0, JWT, token lifecycle, SSL pinning)
Code obfuscation, jailbreak/root detection, and anti-tampering techniques

- Knowledge of native iOS/Android integrations

- Experience with Git, branching strategies, pull request reviews

- Comfortable with CI/CD tools (Bitrise, Codemagic, GitHub Actions, App Center)

- Exposure to analytics (Firebase, Mixpanel), crash reporting (Crashlytics, Sentry)