A client with Kforce is seeking a Mobile App Developer (iOS & Android - Wallet Applications) to join their team remotely. This person must be able to work EST hours. Summary: We are seeking a skilled Mobile App Developer specializing in iOS and Android wallet applications to join our growing digital energy platform team. You will play a critical role in building secure, scalable, and user-friendly apps that allow customers to manage energy usage, payments, digital wallets, and support-bringing transparency and control to clean energy services across markets. Key Responsibilities: * Design, develop, and maintain native Android (Kotlin/Jetpack Compose) and iOS (Swift UI) applications * Specialize in digital wallet app features such as token transfers, payment methods, transaction histories, and secure authentication * Integrate mobile apps with RESTful APIs, blockchain or smart energy platforms, and real-time usage data * Implement and optimize mobile UX for performance, responsiveness, and battery efficiency * Apply secure coding practices, encryption protocols, and ensure compliance with platform policies and privacy regulations * Collaborate closely with design, backend, and DevOps teams to ensure seamless delivery * Participate in code reviews, testing, and release cycles using CI/CD pipelines