***At Topaz, technology unites us and evolution connects us!*** In our organization, we are fully committed to contributing to financial solutions that make the industry secure, accessible, and dynamic. We aim to reach different parts of the world with our extensive ecosystem of technological solutions. So we invite you to become part of this team! And we also have great benefits for you! We know that together we will achieve success, so apply now and become part of this amazing **Team**. **Responsibilities and attributions** ***Your day-to-day at Topaz:*** We are looking for a talented and passionate **React Native Developer** to join our team and build the next generation of fintech apps. If you're excited about developing mobile applications that impact millions of users, this is your chance to shine! **What will you do?** * You will build and maintain robust, scalable mobile applications using **React Native**, ensuring an exceptional user experience. * You will implement cutting-edge features using best development practices (functional components, hooks, context, navigation, etc.). * You will integrate apps with REST APIs (and potentially GraphQL and websockets), manage push notifications, and other key technologies. * You will collaborate on creating animations, optimizing memory usage, and improving performance on mobile devices. * You will design and implement unit and end\-to\-end tests to ensure code quality. * You will actively participate in code reviews and document your work flawlessly. * You will work closely with backend, design, QA, and product teams to bring new features to life and solve any technical challenges. **Requirements and qualifications** ***What do you need to know to be part of Topaz?*** * More than 3 years of professional experience developing mobile applications with React Native. * Strong command of JavaScript/TypeScript, hooks, context API, React Navigation, and other key ecosystem libraries. * Experience integrating REST APIs and push notifications (additional experience with websockets and GraphQL is ideal but not required). * Previous experience developing and maintaining applications for Android and iOS in high-transaction environments. * Practical knowledge of testing (unit and end\-to\-end) and using tools for quality control. * Experience optimizing app performance, handling animations, and managing device resources. * Ability to collaborate on projects built with Expo as well as bare React Native projects. * Desired knowledge of native development (iOS/Android) for module integration or advanced debugging. * Knowledge and application of state management patterns (Redux, MobX, or others). * Ability to understand technical documentation in English (minimum B1/B2 level). **Additional information** **Keep in mind these benefits that will enhance your experience at Topaz!** **Health and Well-being:** Because we care about our teams, we offer various health plans focused on promoting well-being within the organization. **Personal and Professional Development:** We are in constant evolution. Therefore, we provide environments, programs, and policies that guarantee the space and opportunities you need for your career path. **Hybrid Model:** Here you'll find the time you need to recharge energy, plus you can enjoy a day off on your birthday. Hybrid work model. **Agreements:** We offer various agreements and discounts. #### **At** **Topaz****, we go beyond technological creation:** **we transform the way the world interacts with money.** **Our secret?** **Topaz One, the first global fullbanking platform, designed to drive the evolution of financial institutions and take them to new frontiers.** #### #### **We are a vibrant community of** **over 2000 Topazers****, with a great passion for technology, innovation, and creating disruptive solutions. Our diversity of cultures and experiences enriches our perspective and drives us to achieve extraordinary results.** #### #### **If you're looking for a place where your talent has real impact, where you can grow professionally and be part of a global community that is making history,** **come be a Topazer!** #### **Join our team and let's build the future of finance together.**