10 hours ago
Mexico City, MexicoSenior
Responsibilities
- Own end-to-end reliability for regulatory infrastructure services, including connectivity, transaction processing flows, and settlement-related operational workflows.
- Define, measure, and improve SLIs, SLOs, and operational health indicators for critical transactions and platforms.
- Lead incident response, coordinate recovery, and drive postmortems with corrective-action follow-through.
- Design and evolve observability for tracing, queue health, signature validation, infrastructure signals, and degraded-link or transaction-bottleneck detection.
- Plan and execute disaster recovery and business continuity exercises, including failover validation, contingency readiness, and RTO/RPO verification.
- Reduce operational toil through automation, tooling, and improved runbooks.
- Drive capacity planning and performance engineering for peak transaction volumes and business growth.
- Partner with security, networking, middleware, and software engineering teams on hardening, resilience, and safe change management.
- Participate in an on-call rotation.
Requirements
- Experience with SRE, DevOps, or production engineering for mission-critical, highly available systems.
- Hands-on experience with IT infrastructure platforms, virtualized and hyperconverged environments such as VxRail, and physical production infrastructure.
- Hands-on Linux experience, including performance tuning, kernel parameters, and security hardening.
- Experience leading incident response and postmortems for customer-impacting services.
- Knowledge of networking fundamentals, including TCP/IP and routing.
- Proficiency in Python or Shell scripting for automation and tooling.
- Experience with observability stacks such as Prometheus and Grafana and with distributed tracing.
- AWS infrastructure experience across EC2, S3, CloudWatch, KMS, EKS/ECS, VPCs, RDS/DynamoDB, and SQS/SNS.
- IT regulatory audit experience, including evidence gathering, control validation, audit preparation, and remediation follow-through.
- Experience with infrastructure-as-code tools such as Puppet and Git-based workflows.
- Working knowledge of Claude, Cursor, and Claude Code.
- Strong written and verbal communication skills in Spanish and English.
- Preferred experience with Mexican payment rails such as SPEI.
- Preferred SQL knowledge for operational analysis and troubleshooting.
- Relevant cloud or IT infrastructure certifications, such as AWS Certified Cloud Practitioner or higher, are preferred.
Benefits
- Chance of earning equity at Nu.
- Extended maternity and paternity leave, health and life insurance, and dental and vision insurance.
- NuCare mental health and wellness assistance program.
- Nucleo learning platform and NuLanguage language-learning program.
- 30-day annual holiday bonus (Aguinaldo).
- 17 days of paid vacation with a 25% vacation bonus.
- Gym partnership, food card, work-from-home allowance, parental consultancy, and relocation assistance if applicable.
- Hybrid Mexico City work model requiring office attendance at least two to three times per week.
About Nubank
Nubank is a digital banking platform for consumers and small businesses in Latin America, offering a no-fee credit card, accounts, payments, lending, and investments through Nu Asset Management. It monetizes via interchange, interest, and product fees within its app-based ecosystem. Founded in 2013 and headquartered in São Paulo, it serves over 100 million customers across Brazil, Mexico, and Colombia and is listed on the NYSE (ticker: NU).