5+ years of experience as a Software Engineer. 3+ years dedicated to professional React Native development. 3+ years of experience with Java Spring Framework. Clear and effective communication in English. Proven ability to work autonomously and manage priorities. Experience working directly with non-technical stakeholders (Product, Design). Demonstrated experience in shipping and maintaining consumer-facing mobile applications on Apple App Store and Google Play Store. Expert proficiency in React Native, JavaScript/TypeScript, and React's component-based architecture. Strong experience with mobile state management (e.g., Redux Toolkit, Zustand, Context API) and data fetching (e.g., React Query). Experience with React Native tooling and development workflows. Familiarity with native mobile development concepts (Android - Kotlin/Java or iOS - Swift/Objective-C). Strong understanding of mobile performance optimization, application size reduction, and crash reporting. Basic understanding of API design and integration patterns. Experience integrating mobile applications with AWS, Microservices, and Distributed Systems. Familiarity with tracking, analytics, and experimentation frameworks on mobile.