Job Summary: We are looking for a Senior React Native Developer to build a scalable mobile platform with direct impact on the product and actively contribute to technical decisions. Key Highlights: 1. Mobile platform focused on global scale and high performance 2. Collaborative, transparent, and hands-on leadership 3. Direct impact on the product and architectural decisions Senior React Native Developer **FAPESP Scholarship \| Mobile \| React Native** ? **Remote** (based in São Paulo) **Contract type:** PJ **Compensation:** To be discussed About the Role We are building a **mobile platform focused on global scale**, high performance, and user experience. We seek a **Senior React Native Developer** who enjoys tackling real technical challenges, making architectural decisions, and delivering direct impact on the product. Here, leadership is **collaborative, transparent, and hands-on**. Good ideas circulate freely, feedback is constant, and you actively participate in technical and product decisions. Your day-to-day responsibilities * Develop and evolve our mobile app using **React Native** (iOS and Android); * Work with **scalable architecture** and high-quality code; * Integrate the app with **backend APIs**, **payment gateways**, and external services; * Implement **i18n** (languages, currencies, dates, time zones); * Adapt the product experience for different markets and regions; * Develop **payment flows** and **automated B2B integrations**; * Ensure performance, stability, and cross-device compatibility; * Write and maintain **automated tests**; * Collaborate with the team to evolve mobile architecture and best practices. Required Technical Stack * 5+ years of experience in **frontend/mobile development**; * Proficiency in **React Native** and its ecosystem (e.g., React Navigation, Redux, Context API); * Strong command of **JavaScript (ES6+)** and **TypeScript**; * Experience integrating with **REST and/or GraphQL APIs**; * Experience with **payments** (gateways, in-app purchases, etc.); * Experience with **app internationalization**; * Experience with **deployment/publishing** on the App Store and Google Play; * Knowledge of **CI/CD** and **automated testing** (unit and integration). Who we’re looking for * Proactive, curious, and with a strong sense of ownership; * Comfortable working **autonomously**, while collaborating effectively; * Strong communication and organizational skills; * Mindset oriented toward **product, scale, and global experience**. Education * Completed undergraduate degree (for more than 5 years) in: + Computer Science + Software Engineering + Information Systems + Computer Engineering What we aim to deliver together * A robust, scalable mobile app ready for multiple markets; * Secure payments and automated B2B integrations; * Region-specific localization (language, currency, time zone); * Testing and monitoring to ensure continuous quality; * Consistent releases on the App Store and Google Play; * Continuous evolution of architecture and team practices.