# Senior Staff Systems Engineer - Performance Engineer at Nubank

- Company: Nubank
- Status: Open
- Workplace: Hybrid
- Location: São Paulo · Remote · Campinas · Belo Horizonte · Rio de Janeiro
- Level: Staff
- Discipline: Backend
- Employment: Full-time
- Posted: 2026-08-31
- Skills: Engineer
- Apply: https://jobs.ashbyhq.com/nubank/cf939e7b-e094-46be-9e9d-5fee55d9eaa5

## Description

ABOUT NU

Nu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services.

 

Proprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and transparency. Its business model thrives on customer love and lower costs, feeding a flywheel of growth and profitability.

Visit our Institutional Page https://www.nu.com/2026-en


About the Role

The Systems Performance team is part of the Computing Squad consists of two distinct workstreams —Orchestration and System Performance —each with its own approach and challenges on managing and improving the foundational infrastructure where the majority of the Nubank's workloads runs. 

The Performance team is focused on building deep diagnostic tools and performing high-level analysis to reduce latency,  infrastructure costs and increase services efficiency.

You will be responsible for leading complex performance investigations, identifying systemic bottlenecks, and driving efficiency across one of the largest JVM-based microservice architectures in the world.

Our core principles and behaviors include ownership, simplicity, veracity-first, teamwork, and a focus on quality over quantity. During a normal work day, you will interact with critical infrastructure layers, from the Linux Kernel and JVM internals to cloud-wide orchestration.


YOU'LL BE RESPONSIBLE FOR

 - Leading Deep-Dive Investigations: Conduct high-level performance a

More Nubank roles: https://deviantjobs.com/companies/nubank