Staff Software Engineer - Mobile Platform

About Us Nu is one of the largest digital financial platforms in the world, with more than 122 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building. Listed on the New York Stock Exchange (NYSE: NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human. Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Bank. Visit our institutional page https://international.nubank.com.br/careers/ About Nubank’s Mobile Platform - Global Experience Design The Mobile Platform’s mission aligns with Nubank’s commitment to delivering the best experience for our customers by ensuring a high-performing, stable, and seamless app. Within Mobile Platform, focuses on providing user-friendly, scalable, high-performing, and cost-efficient app infrastructure components and mobile tools that enable Nubank engineers to quickly and safely test, deploy, monitor, analyze, and improve app flows and features. Global Experience Design is one of Nubank’s building blocks, bringing together UX, design, and customer experience. The team works on evolving the app experience and the design system, connecting Mobile Platform, App Excellence, Design Systems, and App Core to create simple, consistent, and scalable experiences. We are at the heart of the Nubank app’s foundation, driving performance , infrastructure scalability , and the removal of legacy dependencies to allow our application to grow from millions to potentially billions of passionate customers. The Opportunity This role will involve working across a variety of technologies, including Native , Flutter , and related frameworks . We are looking for a Staff Mobile Engineer with solid experience to join the Mobile Platform team — a cross-impact engineering team responsible for building and maintaining the core infrastructure of the mobile application, optimizing our performance, and enabling product teams to deliver high-quality mobile experiences. What We’re Looking For Must Have: Proven and solid experience in technical development of mobile applications at a strategic leadership level. Strong technical background with Flutter and/or native mobile development (Android/iOS). Solid understanding of mobile software engineering principles, architectural patterns, and modularization strategies. Experience with Server Driven - UI, performance optimization, dependency injection, and migration of core systems. Knowledge of mobile observability, monitoring, and debugging tools. Strong communication skills in English, with the ability to explain complex concepts to diverse audiences. Track record of delivering results in ambiguous, fast-paced environments. Nice to Have: Experience with backend technologies, especially those integrated with mobile applications. Familiarity with distributed systems and large-scale app architecture. Contributions to internal SDKs, libraries, or mobile design systems. Understanding of user authentication, session management, and app state handling. Leadership in global teams. Why Join Us Impact at Scale: Help shape the mobile experience for millions of customers across multiple countries, with the goal of reaching billions. Technical Leadership: Influence the architecture and foundational technologies that all Nubank engineers rely on. Innovation-Driven Culture: Work in a dynamic, collaborative environment that values experimentation, continuous improvement, and engineering excellence. Career Growth: Develop as a strategic engineering, working on complex technical and organizational challenges. Our Benefits Chance of earning equity at Nubank Food/ Meal Card (Vale-Refeição and/or Vale Alimentação) Public Transpor