Nubank - Sr/lead Backend Engineer

Senior Software Engineer

Nubank is a leading financial technology company. We are looking for a Senior Software Engineer to join our growing team in Buenos Aires, Argentina. You'll independently execute tasks, take ownership of projects, and significantly contribute to team performance and efficiency. We are a team that values technical excellence, collaboration, and continuous learning.

About the Role

As a Senior Software Engineer at Nubank, you will play a crucial role in building and maintaining our highly scalable and resilient systems. You'll work on challenging problems, collaborate with various stakeholders, and contribute to a culture of technical excellence.

This position requires to be based in Buenos Aires, or willingness to move to BA. The role will start with a remote schedule, but will turn eventually to a hybrid position if and when Nubank opens their office here.

You will be responsible for:

• Designing and implementing horizontally scalable microservices primarily in Clojure, utilizing functional programming and hexagonal architecture.
• Building high-throughput jobs and managing inter-service communication using Kafka.
• Implementing Continuous Integration and Deployment processes within AWS.
• Working with data storage technologies like Datomic and DynamoDB.
• Ensuring system observability and monitoring with Prometheus.
• Leveraging Kubernetes for container orchestration.
• Leading small to medium-sized projects from conception to completion, ensuring quality and stability of deliverables.
• Providing independent on-call and operational support, debugging complex issues within your team's domain.
• Mentoring and coaching peers through code reviews, pair programming, and other knowledge-sharing activities.
• Analyzing and solving moderately complex issues, identifying root causes, and developing effective solutions.
• Contributing to cross-functional discussions and influencing the technical direction of your team.
• Aligning team actions with broader organizational goals and identifying opportunities for improvement.

We are looking for a person who has:

• Typically 4+ years of experience as a Software Engineer, with a track record of independent execution and project leadership.
• Proven ability to identify and implement solutions that improve team performance and efficiency.
• Experience contributing to cross-functional discussions and influencing technical direction.
• Demonstrated emerging leadership qualities, including taking initiative and influencing others.
• Strong communication skills, capable of clearly conveying ideas and adapting to different audiences.
• Proficiency in problem-solving, including root cause analysis and developing solutions for complex issues.
• Solid business acumen, with an understanding of organizational goals and business drivers.
• Experience participating in change management initiatives and developing plans to mitigate business disruptions.
• Familiarity with the architecture, design, and implementation of at least one system within a team's scope.
• A "quality champion" mindset with strong attention to testing and observability.
• Experience working in a fast-paced, high-growth environment is a plus.