Build innovative, high-quality mobile applications for both Android and iOS platforms using Flutter, React Native, Kotlin, or Swift. Write clean, maintainable, and efficient code following best practices. Maintain and upgrade existing apps with new features and bug fixes.

Optimize application performance, speed, and scalability. Troubleshoot, test, and deploy applications to the Google Play Store and Apple App Store. Ensure app quality through unit testing, integration testing, and performance profiling.

Integrate RESTful APIs and third-party services (payment gateways, maps, analytics, push notifications via Firebase). Work with Firebase for real-time database, authentication, and cloud functions. Manage local databases using SQLite or MySQL.

Collaborate with designers (UI/UX), backend developers, QA, and product managers to define, design, and ship new features. Use Git for version control and participate in code reviews. Work in an agile, fast-paced development environment.