Senior Systems Engineer - Distributed Messaging Platform

Nubank; Toronto; Hybrid; CAD 156,000 - 184,000; Full time

Benefits offered by this job

Health Insurance

Life Insurance

Pension Plan

Extended parental leave

Nucleo - Our learning platform of COUR

NuLanguage - Our language learning

NuCare - Our mental health and wellnes

Vacations

Job summary

Nubank is seeking an experienced software engineer to evolve and operate its messaging platform and the infrastructure that supports asynchronous communication at scale. This senior role owns critical platform capabilities across multiple domains and AWS accounts, with hundreds of clusters and very large daily data volumes.

Strong Kubernetes and networking skills are essential; Kafka experience is a plus. Hybrid work is offered in Toronto with competitive CAD 156,000–184,000 salary and

Qualifications

• Strong software engineering fundamentals and production distributed systems experience.
• Kubernetes, networking, and AWS in large-scale environments.
• Operate infrastructure-heavy platforms with high reliability and availability requirements.
• Troubleshoot production issues across app, infra, and network layers.
• Improve observability, automation, and operational tooling.
• Understand scalability, resilience, performance, and failure isolation patterns.
• Work autonomously on ambiguous technical problems and drive them to execution.
• Collaborate effectively across teams.

Responsibilities

• Operate and improve large-scale messaging and platform infrastructure based on Kafka used by critical systems across Nubank
• 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 and cost awareness across AWS-based environments
• Work on platform capabilities that enable safe growth in message volume, topic count, and cluster footprint
• Partner with other engineers to evolve platform standards, tooling, and best practices
• Contribute to architectural discussions involving messaging, traffic patterns, service communication, and platform reliability

Skills

Distributed systems

Kubernetes

Networking

AWS

Production troubleshooting

Observability & automation

Scalability & performance

Autonomous problem solving

Cross-team collaboration

Education

Tools

Apache Kafka

Job description

Nubank is seeking an experienced software engineer to evolve and operate its messaging platform and the infrastructure that supports asynchronous communication at scale. This senior role owns critical platform capabilities across multiple domains and AWS accounts, with hundreds of clusters and very large daily data volumes.

Strong Kubernetes and networking skills are essential; Kafka experience is a plus. Hybrid work is offered in Toronto with competitive CAD 156,000–184,000 salary and