Senior Software Engineer, Cloud at VTEX

Remote - Brazil

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We're looking for a Senior Software Engineer (Backend/Infrastructure) for the VTEX Network team, the core connective tissue of our cloud platform: CDN, Cloud Connectivity, Ingress, DNS, and Service Mesh. Your mission is to help evolve our mission‑critical infrastructure toward a market‑standard stack such as Istio with zero downtime, ensuring reliability for thousands of stores worldwide.

Requirements

Skills

  • Backend/platform engineering experience
  • Deep, hands-on experience operating and evolving Kubernetes infrastructure
  • Experience designing and running systems for mission‑critical, high‑throughput environments (millions of requests per second)
  • Service design and distributed systems knowledge including networking fundamentals (TCP/IP, HTTP, DNS, proxies) and microservices communication
  • Experience with .NET
  • Familiarity with Service Mesh (Istio, Envoy) highly desired
  • Comfortable working inside complex legacy systems while building their replacement
  • Ability to treat ambiguous, high‑stakes problems as precise decisions affecting the whole system
  • Use AI fluently in own work and have a clear point of view on its application
  • Strong communication and negotiation skills across teams and with non‑technical partners
  • Advanced English proficiency

Responsibilities

  • Drive the architectural evolution from our custom routing layer to a modern, market‑standard Service Mesh (e.g., Istio)
  • Design, build, and maintain network components that sustain millions of requests per second at very low latency
  • Keep VTEX's core network services (Ingress, DNS, Service Mesh, CDN) continuously available and resilient for thousands of stores globally
  • Apply deep service‑design principles to build scalable, robust, maintainable backend services and infrastructure tooling
  • Use AI as a daily multiplier while exercising judgment about where it does and doesn't belong in critical infrastructure
  • Raise the team's bar: mentor other engineers, document for both technical and non‑technical audiences, and take an active part in hiring

Technologies

.NETKubernetesIstioEnvoyTCP/IPHTTPDNSmicroservicesAI

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