Develop and maintain high-quality mobile applications using React Native and Native Android/iOS (Kotlin/Swift). Optimize applications for performance, scalability, and security across different devices and OS versions. Integrate third-party libraries, APIs, and SDKs efficiently. Implement CI/CD pipelines (e.g., Fastlane, Bitrise, GitHub Actions, Jenkins) for automated builds, testing, and deployment. Work closely with backend teams to integrate RESTful APIs, GraphQL, and WebSockets. Conduct code reviews, debugging, and performance tuning to ensure high-quality deliverables. Ensure smooth app store submissions (Google Play Store & Apple App Store) and compliance with guidelines. Mentor junior developers and promote best practices in mobile development. Stay updated with the latest mobile trends, tools, and frameworks.