ABOUT NU

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: https://international.nubank.com.br/careers/

PROJECT EXPERIENCE:

• Proven track record of leading complex infrastructure projects from design to production.
• Comfortable working on ambiguous and evolving projects, quickly identifying key challenges and driving solutions.
• Experience in designing high-availability, fault-tolerant systems for AI/ML workloads.
• Has worked on developer tooling, platform engineering, or ML infrastructure, ensuring AI teams can build and deploy efficiently.
• Hands-on experience with monitoring, observability, and alerting for production systems.
  We’re looking for individuals who thrive in horizontal, high-impact teams that build foundational infrastructure for multiple AI initiatives. People who enjoy solving deep technical challenges at the intersection of AI, cloud, and distributed systems, and who take ownership with a strong product mindset - ensuring infrastructure is reliable, scalable, and built around user needs. We value collaborators and mentors who help teammates grow while upholding high engineering standards. If you’re passionate about building scalable, efficient, and cost-effective AI infrastructure that drives meaningful, real-world impact, we’d love to meet you.
  If you feel interested in these challenges and want to work on a very engaged and talented team, this is the place for you!

At Nubank, one of our engineering principles is “Leverage Through Platforms”. We believe that platforms are a very efficient way of solving complex concerns that are needed for different products and teams.
The AI Infrastructure Squad within the AI Core BU builds and scales the foundational cloud, data, and AI infrastructure that powers machine learning workloads across the organization. We design and optimize high-performance training, inference, and data processing systems while ensuring reliability, scalability, and efficiency. Our team enables AI practitioners by providing robust compute, model serving, monitoring, and orchestration frameworks to drive innovation and operational excellence.