Lead Systems Engineer

About the Company

Nu is one of the largest digital financial platforms in the world, with more than 122 million customers across Brazil, Mexico, and Colombia. 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.

Responsibilities

• Operate and improve large-scale messaging and platform infrastructure based on Kafka
• Contribute to the reliability, scalability, and performance of asynchronous communication platforms
• Design and implement solutions for high-throughput, low-latency, and fault-tolerant systems
• Improve observability, automation, and operational excellence across the platform
• Support incident analysis, troubleshooting, and root cause remediation in production environments
• Optimize infrastructure usage and drive efficiency across AWS-based environments
• Partner with other engineers to evolve platform standards, tooling, and best practices

Requirements

• Strong software engineering fundamentals with distributed systems experience
• Solid experience with Kubernetes, networking, and AWS in large-scale environments
• Experience operating infrastructure-heavy platforms with high reliability requirements
• Ability to troubleshoot complex production issues across application, infrastructure, and network layers
• Experience improving observability, automation, and operational tooling
• Understanding of scalability, resilience, performance, and failure isolation patterns
• Ability to work autonomously on ambiguous technical problems

Preferred Qualifications

• Experience with Apache Kafka or other messaging and streaming technologies
• Experience with platform engineering, SRE, or infrastructure-focused backend engineering
• Familiarity with multi-account AWS environments and large-scale cloud operations
• Experience with high-throughput event-driven architectures

Benefits

• Base salary range: $210,000 - $252,000 (includes RSUs)
• Health and Life Insurance
• Pension Plan
• Extended maternity and paternity leaves
• Learning and language programs
• Mental health and wellness assistance