Senior Systems Engineer - Traffic Management

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Senior Systems Engineer - Traffic Management in Others new

Nubank
Full time
Email

Others
11/03/2026
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São Paulo, Brazil

Responsibilities

Deliver end-to-end traffic-platform milestones from problem definition through rollout and follow-up.
Own complex infrastructure problems and balance reliability, performance, security, and implementation effort.
Design for failure, implement testing and observability, respond to incidents, and drive preventative follow-up work.
Collaborate with engineering, product, and partner teams to define technical plans, priorities, and milestones.
Use AI tools and agents to investigate issues, write and review code, explore solutions, and automate repetitive work safely.
Create technical documentation and runbooks and share knowledge through reviews, sessions, and engineering initiatives.
Support engineer growth through code reviews, design discussions, pairing, and daily collaboration.
Participate in support and on-call routines and use incidents, tickets, and metrics to improve the platform.
Build platform capabilities, shared libraries, abstractions, SDKs, and internal tooling for product engineers.

Requirements

Experience operating large-scale, high-performance synchronous distributed systems in the cloud.
Hands-on experience with load balancers, reverse proxies, TLS/mTLS, routing, and metrics, logs, and traces.
Experience with Kubernetes-based infrastructure, Infrastructure-as-Code, manifests, routing and deployment strategies, and DNS configuration.
Daily experience using AI tools and agents in engineering workflows with validation and attention to quality and safety.
Experience leading infrastructure platform projects from design through production rollout and 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 or shared libraries for other engineers.

Benefits

Equity opportunity at Nubank.
Food or meal card, public transportation benefit, and work-from-home allowance.
Psychological, financial, and legal assistance program, life insurance, medical plan, and dental plan.
Language courses, learning platform access, gym partnerships, and extended parental leave.
Daycare allowance, parental consultancy, and 30 days of paid vacation.
Relocation assistance package if applicable.
Hybrid work model requiring office attendance at least twice per week in São Paulo, Campinas, Rio de Janeiro, or Belo Horizonte, Brazil.

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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