Tech Lead Software Engineer - Reliability
NubankDigital Banking company
São Paulo, BrazilLead
Sequoia Capital
DST Global
Founders Fund
Citi
Goldman Sachs
Elizabeth Martinez de Marcano
Software Engineering
About the role
TL;DR
Lead software engineer focused on reliability, scale, and operational excellence for new financial products.
- •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.
- •This role requires an engineer whose primary mandate is reliability, scale, and operational excellence.
- •Key Responsibilities Define and operate against SLOs, establish meaningful SLIs and SLOs, manage error budgets.
- •Build the observability layer, improve metrics, logs, traces, and alerting.
- •Lead incident response, drive blameless postmortems, and turn findings into engineering work.
- •Reduce toil through engineering, identify repetitive operational work and eliminate it with software.
- •Production Hardening, stress-test designs for partial failure, dependency degradation, traffic spikes.
- •Requirements Track record of owning services in production and being responsible for their behavior under real load and failure.
- •Experience defining and operating against SLOs/SLIs, and using error budgets.
- •Hands-on experience with observability tooling and using it to diagnose production issues.
- •Deep system design experience: distributed services, asynchronous messaging, storage tradeoffs.
- •Demonstrated technical leadership: influencing architecture across teams, mentoring engineers.
Required skills
CI/CDKubernetesTerraformDockerPrometheusGrafanaDatadogPagerDutyGitLinuxOpenAPIREST APIgRPCPython
Nice-to-have skills
JavaScriptTypeScriptJavaGoSQLBashReactNode.jsAWSGoogle Cloud
Domain expertise
fintech
Benefits & perks
Chance of earning equity at Nubank, Food/ Meal Card (Vale-Refeição and/or Vale Alimentação), Public Transportation Commuting Benefit (Vale-Transporte), NuCare – Psychological, Financial and Legal Assistance Program, Life Insurance, Medical Plan, Dental Plan, NuLanguage – Language Course Program, Nucleo - Our learning platform of courses, Extended Parental Leave, Daycare Allowance, Parental Consultancy, Work-from-home Allowance, Gym Partnerships, 30 days of paid vacation, Relocation Assistance Package, if applicable
Tech stack
PythonJavaScriptTypeScriptJavaGoSQLBashReactNode.jsAWSGoogle CloudAzureTerraformDockerKubernetesCI/CDGitHub ActionsJenkinsArgoCDHelmGitLab CICircleCIAnsibleChefPuppetPrometheusGrafanaDatadogNew RelicPagerDuty