Job Summary: We are seeking a Senior React Native Developer to work on a B2B mobile application, leading complex software projects from architecture through execution. Key Highlights: 1. Strategic and highly visible role 2. Modern engineering culture 3. Growth opportunities and career development plan **About Coderio** Coderio designs and delivers scalable digital solutions for global enterprises. With a strong technical foundation and a product-oriented mindset, our teams lead complex software projects from architecture through execution. We value autonomy, clear communication, and technical excellence. We collaborate closely with international teams and partners, building technology that makes an impact. More information: http://coderio.com We are looking for a Senior React Native Developer to work on a production B2B mobile application used across multiple Latin American countries. This role involves developing and maintaining key features—including digital payment integrations and real-time communication—within a mature, modular codebase. **What You Can Expect from This Role (Responsibilities)** Develop and maintain features in an enterprise-grade React Native app (iOS and Android). Work on existing modules: digital payments, shopping cart, orders, notifications, chat, helpdesk, user and product management. Integrate and maintain backend services via REST APIs and GraphQL. Implement complex payment flows. Maintain and enhance real-time communication using WebSockets. Write and maintain unit and integration tests using Jest and Testing Library. Collaborate with backend, UX, and product teams to define and implement new features. Ensure code quality, application performance, and stability. Support multi-country configuration **Requirements** +3 years of professional experience with React Native and TypeScript. Solid experience with state management using Zustand, Redux, or similar. Advanced experience with React Query or TanStack Query for asynchronous data handling. Familiarity with Styled Components or CSS-in-JS. Solid experience integrating REST APIs and consuming backend services. Proven experience with authentication (OAuth, JWT, AWS Cognito, or similar). Solid experience writing unit tests with Jest and Testing Library. Strong Git proficiency and collaborative workflows (feature branches, PRs, code reviews). **Nice-to-Haves** Experience with GraphQL Experience working with WebSockets Knowledge of payment gateway integrations Experience with Firebase Ability to read, understand, and maintain a large existing codebase. **Benefits** 100% remote Long-term commitment, with autonomy and impact Strategic and highly visible role within a modern engineering culture Collaborative international team and strong technical leadership Career development and growth path within Coderio **Why Join Coderio?** At Coderio, we value talent regardless of location. We are a remote-first company passionate about technology, collaboration, and fair compensation. We offer an inclusive, challenging environment with real growth opportunities. If you’re motivated to build impactful solutions, we’re waiting for you. Apply now. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.