Lead Systems Engineer

About Nubank Nu was born in 2013 with the mission to fight complexity to empower people in their daily lives by reinventing financial services. We are one of the world’s largest digital financial services platforms, serving over 100 million customers across Brazil, Mexico, and Colombia. As one of the leading technology companies in the world, Nu leverages proprietary technologies and innovative business practices to create new financial solutions and experiences for individuals and SMEs that are simple, intuitive, convenient, low-cost, empowering, and human. Guided by its mission, Nu is fostering access to financial services across Latin America. As a Staff Security Engineer, you’re expected to: As a key lead within the Computing Squad, you will be in contact with critical pieces of foundational infrastructure where the majority of Nubank's workloads run, including Kubernetes, AWS, Network, and Service Communications. You will contribute to our Computing product strategy, find opportunities to improve our infrastructure, and set a high technical standard for the team. Main responsibilities: Proactively identify and pursue opportunities to improve our infrastructure in areas like performance, costs, and governance. Act as a key technical lead in the team, guiding and mentoring more junior engineers to create and maintain a high-quality technical environment. Represent the team in different technical forums, being able to document, negotiate, and convince different stakeholders across various levels and chapters. Anticipate technical and product issues, making appropriate design decisions to avoid them. Deep dive into problems to identify root causes and deliver innovative solutions that address team-level challenges with a focus on medium and long-term impact. Understand the technical aspects, capabilities, and limitations of our systems, contributing to discussions and improvements. Contribute to our Computing product strategy, working closely with peers and Product Managers. What are we looking for? Experience and knowledge of cloud platforms (AWS). Strong understanding and hands-on experience with Kubernetes and AWS EKS. Experience with access management (AWS IAM, Role management). Experience with scaling tools like Karpenter, KEDA, and HPA. Experience with the Golang programming language. A passion for sharing knowledge and mentoring other engineers. Creativity and analytical thinking to find opportunities to improve our Computing Platform. Advanced English skills (English will be used every day for documentation, text conversations, and meetings). Role Location NWW. Benefits Nubank equity Health and life insurance Food card 17 days of paid vacation with 25% vacation bonus Holiday Bonus ("Aguinaldo") of 30 days of pay per year NuCare - Our mental health and wellness assistance program NuLanguage - Our language learning program Extended maternity and paternity leaves Diversity & Inclusion We want to build products and experiences for everyone who wants to take back control over their finances, that’s why we build strong and diverse teams that rise up to the challenge. We are a team of the most creative people in technology, and we hire under equal opportunity, irrespective of gender, ethnicity, religion, sexual orientation or background. We are proud to say that 30% of our team recognize themselves as part of the LGBTQ+ community, and 40% of our team identify as women, in all positions and seniority levels. We are a very process-light organization that values human interactions, and that is a very important part of our culture. At Nu, everyone has the opportunity to speak up and participate, grow and share ideas. #J-18808-Ljbffr