Senior Mobile Developer

Overview We are seeking a Senior Mobile Developer with strong expertise in Android and React Native to join our growing crypto and payments team. You’ll play a key role in building and scaling mobile applications that power secure digital transactions. This is an exciting opportunity to work in the fast-paced world of crypto and fintech, where you’ll be solving complex technical challenges, improving app performance, and delivering seamless user experiences for thousands of global users. Responsibilities Design, develop, and maintain high-quality mobile applications for Android using React Native. Collaborate closely with backend engineers, product managers, and designers to deliver secure and scalable mobile solutions. Optimize application performance, scalability, and responsiveness across devices. Ensure best practices in mobile security, testing, and deployment. Stay updated with the latest mobile, blockchain, and payment technologies. Qualifications 5 years of professional mobile development experience. Strong expertise in React Native and Android (Java / Kotlin) development. Hands-on experience with crypto integrations, payment APIs, or financial transaction systems. Solid understanding of mobile security best practices. Strong problem-solving skills and ability to work independently in a remote setup. Excellent communication skills in English (written and spoken). Nice-to-Have Experience with Astra or other payment platforms. Experience with iOS development (Swift / Objective-C). Knowledge of blockchain protocols, smart contracts, or DeFi platforms. Previous experience working in fintech or high-growth startups. J-18808-Ljbffr

Location: Uberlândia, Minas Gerais, BR

Posted Date: 9/14/2025