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Software Engineer, Routing Platform

PayPal•Austin, TX
•Hybrid
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About The Position

PayPal's Routing Platform team maintains the L7 routing infrastructure that sits at the ingress boundary of PayPal's network, processing over 9 billion API calls daily with zero-downtime availability. We are looking for a passionate Software Engineer to join our team and help drive the modernization of our routing infrastructure — specifically leading the migration of existing Golang and Java-based routing platforms to the next-generation next-generation Kubernetes-native API gateway platform platform. This is a high-impact role where your work will directly influence the reliability, performance, and scalability of PayPal's routing systems.

Requirements

  • 1+ year of software engineering experience with a focus on platform engineering and API gateway systems
  • Proficiency in Golang and Java, with experience maintaining or migrating production-grade services
  • Familiarity with API gateway platforms — experience with Envoy, Istio, Gloo Gateway, or kgateway is a strong plus
  • Hands-on experience with Kubernetes and cloud-native technologies (GKE, EKS, or equivalent)
  • Experience with modern security protocols including JWT, OAuth 2.0, OIDC, mTLS, and zero-trust principles in API gateway or service mesh environments
  • Experience with performance benchmarking, latency analysis, and capacity planning for high-throughput distributed systems
  • Experience with CI/CD pipelines (Harness, Jenkins, or similar)
  • Strong understanding of networking concepts: HTTP/2, gRPC, TLS, load balancing, and traffic management

Nice To Haves

  • Experience with large-scale platform migrations in a high-traffic production environment
  • Familiarity with Helm, Terraform, or GitOps-based deployment workflows
  • Prior experience contributing to or working alongside open-source API gateway projects such as Envoy or kgateway
  • Background in fintech or payments infrastructure

Responsibilities

  • Contribute to the technical migration of existing Golang and Java-based routing services to a next-generation Kubernetes-native API gateway platform, ensuring zero-downtime transitions
  • Design, develop, and maintain cloud-native routing configurations, policies, and automation tooling including rate limiting, request/response transformation, and traffic shaping
  • Implement modern authentication and authorization patterns including JWT, workload identity, and claims-based routing to enable secure service-to-service communication
  • Develop and maintain observability tooling, dashboards, and alerting to ensure platform health
  • Partner with cross-functional teams to validate routing requirements and ensure business continuity
  • Contribute to self-service automation capabilities to reduce manual operational overhead across routing systems
  • Participate in on-call rotations and support operational reliability of the Routing Platform

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What This Job Offers

Job Type

Full-time

Career Level

Entry Level

Number of Employees

5,001-10,000 employees

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