Software Engineer, Traffic

Persona
$130,000 - $220,000

About The Position

Persona is seeking a Software Engineer to join their Edge team. This team owns the full traffic path, from the first packet leaving clients through their Cloudflare-backed ingress and onward across the service mesh. The role involves owning edge networking configuration, evolving the ingress layer, managing DNS, building network-layer observability, supporting regional expansion, and helping define the team's practices and technical standards. This is an opportunity to be one of the first engineers on a new team with a clear mission and real ownership, shaping the future of Persona's traffic layer.

Requirements

  • Experience building and shipping production services in a polyglot environment (Go, TypeScript, or similar).
  • Experience diagnosing production issues at the network layer, including understanding how proxies and load balancers can obscure the real source of a problem.
  • Kubernetes networking in practice: ingress controllers, DNS, network policies.
  • Manages infrastructure as code in practice.
  • Experience building internal platforms or tools with a track record of driving adoption across engineering teams.

Nice To Haves

  • Cloudflare (Workers, WAF, Access, or Tunnel)
  • Istio or another service mesh in a multi-cluster environment
  • GKE or managed Kubernetes at scale
  • Ruby or Rails (we integrate with Ruby systems)
  • A “hacker’s heart” for prototyping new ideas and ways of operating

Responsibilities

  • Own edge networking configuration: routing, WAF policy, rate limiting, certificate management, driving toward a model where engineers ship traffic changes without waiting on infra.
  • Evolve the ingress layer (controllers, lifecycle, policy, Ingress API) so inbound traffic is reliable, observable, and self-service.
  • Manage DNS across internal clusters and external zones so name resolution is invisible by design.
  • Build network-layer observability: latency, error rates, routing visibility that surfaces problems before they become incidents.
  • Support Persona's regional expansion by extending networking into new geographies and ensuring regional expansion is scalable, performant, and maintainable.
  • Help define the team's practices and technical standards, including SDLC, usage of AI tooling, static analysis, chaos engineering, and usage of simulation.

Benefits

  • medical
  • dental
  • vision
  • 3% 401(k) contribution
  • unlimited PTO
  • quarterly mental health days
  • family planning benefits
  • professional development stipend
  • wellness benefits
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