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Senior Systems Engineer - Traffic Management

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Senior Systems Engineer - Traffic Management in Others

  • São Paulo, Brazil

Responsibilities

  • Deliver traffic-platform milestones from problem definition through rollout and follow-up.
  • Design pragmatic solutions for complex infrastructure problems while balancing reliability, performance, security, and effort.
  • Build stability, testing, observability, and failure-resilience into shipped systems.
  • Collaborate with engineering, product, and partner teams to establish priorities, technical plans, and milestones.
  • Use AI tools and agents to investigate issues, write and review code, explore solutions, and automate repetitive work.
  • Create technical documentation and runbooks and share knowledge through reviews and technical sessions.
  • Support engineer growth through code reviews, design discussions, pairing, and daily collaboration.
  • Participate in support and on-call routines and drive improvements based on incidents, tickets, and metrics.

Requirements

  • Experience operating large-scale, high-performance synchronous distributed systems in the cloud, including load balancers, reverse proxies, TLS/mTLS, routing, and metrics, logs, and traces.
  • Hands-on experience with Kubernetes infrastructure, Infrastructure-as-Code, manifests, routing and deployment strategies, and DNS configuration.
  • Daily use of AI tools and agents in engineering workflows with validation of their outputs and attention to quality and safety.
  • Experience leading infrastructure platform projects from design through production launch and post-rollout stabilization.
  • Experience with Istio or other service-mesh technologies such as Linkerd, Envoy-based solutions, or Finagle.
  • Production experience with AWS networking and compute primitives including ALB/NLB, security groups, VPC, Route 53, and IAM.
  • Hands-on experience with Pulumi or Terraform for cloud and Kubernetes infrastructure.
  • Experience building platform capabilities, shared libraries, abstractions, SDKs, or internal tooling for other engineers.

Benefits

  • Hybrid work model requiring office attendance at least 2–3 times per week in São Paulo, Campinas, Rio de Janeiro, or Belo Horizonte, Brazil.
  • Chance to earn equity at Nubank.
  • Food or meal card benefit.
  • Public transportation commuting benefit.
  • Psychological, financial, and legal assistance through NuCare.
  • Life, medical, and dental insurance plans.
  • Language courses through NuLanguage and courses through Nucleo.
  • Extended parental leave, daycare allowance, and parental consultancy.
  • Work-from-home allowance and gym partnerships.
  • 30 days of paid vacation.
  • Relocation assistance package if applicable.

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 20...

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