GrepJob
Nubank

Lead Systems Engineer (Kafka) - CA - 2026

Nubank
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about 2 hours ago
Toronto, CanadaMid Level / Staff+
H1B Sponsor

Base Salary

$210k - $252k/yr

Responsibilities

  • Operate and improve large-scale messaging and platform infrastructure based on Kafka.
  • Contribute to the reliability, scalability, and performance of asynchronous communication platforms.
  • Help 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 and teams to evolve platform standards, tooling, and best practices.
  • Contribute to architectural discussions involving messaging, traffic patterns, service communication, and platform reliability.

Requirements

  • Strong software engineering fundamentals and experience working with distributed systems in production.
  • Solid experience with Kubernetes, networking, and AWS in large-scale or business-critical environments.
  • Experience operating infrastructure-heavy platforms with high reliability and availability requirements.
  • Ability to troubleshoot complex production issues across application, infrastructure, and network layers.
  • Experience improving observability, automation, and operational tooling.
  • Good understanding of scalability, resilience, performance, and failure isolation patterns.
  • Ability to work autonomously on ambiguous technical problems and drive them to execution.
  • Strong collaboration skills and ability to work across team boundaries.
  • Experience with Apache Kafka or other messaging and streaming technologies is a plus.
  • Familiarity with multi-account AWS environments and large-scale cloud operations is desirable.

Benefits

  • Total compensation includes base salary, RSUs, and benefits.
  • Health Insurance.
  • Life Insurance.
  • Pension Plan.
  • Extended maternity and paternity leaves.
  • Access to Nucleo, a learning platform of courses.
  • Participation in NuLanguage, a language learning program.
  • Access to NuCare, a mental health and wellness assistance program.
  • Vacation time.