<h3>About Nu</h3> Nu is the world’s largest digital banking platform outside of Asia, serving over 105 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services. Guided by its mission to fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns. Nu’s impact has been recognized in multiple awards, including Time 100 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks. Learn more:<a href="https://international.nubank.com.br/careers/"> https://international.nubank.com.br/careers/</a> <h3>About Nubank’s Mobile Platform and App Core</h3> 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, App Core 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. App Core is at the heart of the Nubank app’s foundation, powering app performance, infrastructure scalability, and the removal of legacy dependencies to allow our application to grow from millions to potentially billions of fanatic customers. <h3> The Opportunity</h3> This role will involve working across a variety of technologies, including Native, Flutter, and related frameworks. We are looking for a Mobile Engineer with solid experience to join the App Core 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. <h3> What We’re Looking For</h3> Must Have: <ul> <li>Proven experience in senior-level technical mobile development.</li> <li>Strong technical background with Flutter and/or native mobile development (Android/iOS).</li> <li>Solid understanding of mobile software engineering principles, architectural patterns, and modularization strategies.</li> <li>Experience with performance optimization, dependency injection, and migration of core systems.</li> <li>Knowledge of mobile observability, monitoring, and debugging tools.</li> <li>Strong communication skills in English, with the ability to explain complex concepts to diverse audiences.</li> <li>Track record of delivering results in ambiguous, fast-paced environments.</li> </ul> Nice to Have: <ul> <li>Experience with backend technologies, especially those integrated with mobile applications.</li> <li>Familiarity with distributed systems and large-scale app architecture.</li> <li>Contributions to internal SDKs, libraries, or mobile design systems.</li> <li>Understanding of user authentication, session management, and app state handling.</li> </ul> <h3> Why Join Us</h3> <ul> <li>Impact at Scale: Help shape the mobile experience for millions of customers across multiple countries, with the goal of reaching billions.</li> <li>Technical Leadership: Influence the architecture and foundational technologies that all Nubank engineers rely on.</li> <li>Innovation-Driven Culture: Work in a dynamic, collaborative environment that values experimentation, continuous improvement, and engineering excellence.</li> <li>Career Growth: Develop as a strategic engineering, working on complex technical and organizational challenges.</li> </ul>   <h3>Our Benefits </h3> Remote work, with quarterly trips to Sao Paulo to build relationships with coworkers. Top Tier Medical Insurance Top Tier Dental and Vision Insurance 20 days time off, 14 company holidays, and great culture that emphasizes work life balance. Life Insurance and AD&amp;D Nucleo - Our learning platform of courses NuLanguage - Our language learning program NuCare - Our mental health and wellness assistance program Extended maternity and paternity leaves 401K Saving Plans - Health Saving Account and Flexible Spending Account

Nubank

Lead Mobile Software Engineer

Nubank

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