Nubank

Senior Reliability Engineer — Regulatory Reliability

Nubank
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8 hours ago
Mexico City, MexicoSenior

Responsibilities

  • Own end-to-end reliability for regulatory infrastructure services, including connectivity, transaction processing flows, and settlement-related workflows.
  • Define and improve SLIs, SLOs, and operational health indicators for critical platforms and transactions.
  • Lead production incident response, coordinate recovery, and drive postmortems and corrective actions.
  • 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, 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 safer change management.
  • Participate in an on-call rotation.

Requirements

  • Experience in SRE, DevOps, or production engineering for mission-critical, high-availability 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.
  • Track record 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 with services including EC2, S3, CloudWatch, KMS, EKS, ECS, VPC, RDS, DynamoDB, SQS, and SNS.
  • IT regulatory audit experience covering 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 AI-assisted engineering tools including Claude, Cursor, and Claude Code.
  • Strong written and verbal communication skills in Spanish and English.

Benefits

  • Chance of earning equity at Nu.
  • Extended maternity and paternity leave.
  • Health, life, 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, and parental consultancy.
  • Relocation assistance package if applicable.
  • Hybrid work model requiring office attendance two to three times per week in Mexico City.

Tech Stack

Amazon DynamoDBAWSGitGrafanaLinuxPrometheusPuppetPython

Categories

Site Reliability
Nubank

About Nubank

10,000+ employees

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).

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