Lead Systems Engineer

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/  

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

• Chance of earning equity at Nu
• Extended maternity and paternity leaves 
• Health and life insurance 
• Dental and Vision Insurance
• NuCare - Our mental health and wellness assistance program
• Nucleo - Our learning platform of courses
• NuLanguage - Our language learning program
• Holiday Bonus ("Aguinaldo") of 30 days of pay per year
• 17 days of paid vacation with 25% vacation bonus
• Gym partnership
• Food card
• Work-from-home Allowance
• Parental Consultancy
• Relocation Assistance Package, if applicable

Work Model for this Role

Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/