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Senior Systems Engineer - Traffic Management

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Senior Systems Engineer - Traffic Management in Canada new

  • Toronto

Responsibilities

  • Deliver traffic-platform milestones from problem definition through rollout and post-launch stabilization.
  • Design and evolve reliable, scalable, secure traffic-management and service-mesh solutions.
  • Implement testing, observability, documentation, and runbooks, and respond to incidents and on-call issues.
  • Collaborate with engineering, product, and partner teams to define priorities, technical plans, milestones, and risk management.
  • Use AI tools and agents to investigate issues, write and review code, evaluate solutions, and automate repetitive engineering work safely.
  • Build platform capabilities, shared libraries, abstractions, SDKs, and internal tooling for product engineers.
  • Support peer growth through code reviews, design discussions, pairing, feedback, and knowledge-sharing initiatives.

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 for debugging and reliability improvement.
  • Experience with Kubernetes-based infrastructure, infrastructure-as-code, deployment and routing strategies, and DNS configuration.
  • Experience leading infrastructure platform projects from design through production launch and post-rollout improvement.
  • Experience with Istio, Linkerd, Envoy-based solutions, or Finagle, including traffic policies, resilience, and service-to-service observability.
  • 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 repeatable cloud and Kubernetes infrastructure changes.
  • Experience building platform capabilities or shared libraries, abstractions, SDKs, or internal tooling for other engineers.
  • Ability to use AI tools and agents in daily engineering workflows while validating outputs and maintaining quality and safety standards.

Benefits

  • Health, life, and pension insurance plans.
  • Extended maternity and paternity leave, vacations, and mental health and wellness assistance through NuCare.
  • Access to Nucleo learning courses and the NuLanguage language-learning program.
  • Toronto-based hybrid work model requiring office attendance two to three times per week.
  • Compensation range of 156k - 184k.

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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