Nu
FinTech
LeadSoftwareEngineer-Reliability
Neural analysis suggests this role is
optimal for Lead candidates.
“Lead Software Engineer - Reliability at Nu. Skills: Reliability engineering, Service ownership, Incident management. Define and operate against SLOs. Establish SLIs and SLOs”
Industry & Context.
Root cause analysis; Troubleshooting; Debugging
What They're Looking For.
Must Have
Track record of owning services, Experience defining SLOs/SLIs, Experience leading incident response, Experience writing postmortems, Experience with distributed systems, Experience with idempotency, Experience with consistency, Experience with backpressure, Experience with graceful degradation, Significant industry experience, Comfort operating in cloud environments, Comfort with containerized workloads, Comfort with CI/CD pipelines, Demonstrated technical leadership, Pragmatism
Nice to Have
Experience shaping architecture, Experience engineering systems, Experience improving developer experience, Experience contributing to internal tooling, Experience partnering with product, Experience partnering with platform, Experience partnering with security, Experience partnering with compliance, Experience translating risk tradeoffs, Experience mentoring engineers, Experience reviewing designs, Experience reviewing PRs, Experience shaping technical standards
What You'll Do.
Define and operate against SLOs
Establish SLIs and SLOs
Build the observability layer
Push instrumentation upstream
Lead incident response
Drive blameless postmortems
Turn findings into engineering work
Build team incident response muscle
Reduce toil through engineering
Identify repetitive operational work
Eliminate toil with software
Stress-test designs for partial failure
Stress-test dependency degradation
Stress-test traffic spikes
Stress-test adversarial inputs
Run capacity and performance work
Ensure resiliency primitives are tuned
Make change safe and fast
Improve release safety
Help squad ship faster
Improve developer experience
Build or contribute fixes for tooling
Partner across disciplines
Translate reliability and risk tradeoffs
Raise the engineering bar
Shape technical standards
How You'll Work.
Team & Collaboration
Product and engineering partners; Cross-discipline partnership; Product, platform, security, compliance; Other engineering teams
Full Job Description
ABOUT NU Nu is one of the largest digital financial services platforms in the world, serving 135 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services. Guided by its mission to fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns. Nu’s impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks. Visit our institutional page: https://www.nu.com/2026-en ABOUT US Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building. 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. Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Bank. Visit our institutional page https://international.nubank.com.br/careers/ ABOUT THE ROLE The U.S. Market team is launching a differentiated financial product in the largest and most demanding financial market in the world. We’re iterating quickly on real customer signals while building systems that will eventually serve customers at Nubank scale. That combination — early-stage velocity, regulatory weight, and high reliability expectations, requires
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