Software Engineer, Routing Platform

Summary: PayPal is a global leader in commerce, providing innovative payment solutions to consumers and businesses. The Routing Platform team is seeking a Software Engineer to assist in modernizing its routing infrastructure and ensuring high availability and performance of routing systems. Responsibilities: - Assist in designing, implementing, and maintaining cloud-based systems to support scalable and reliable applications - Analyze and improve the performance, scalability, and reliability of systems within cloud environments - Develop and maintain automated processes to streamline deployment, configuration, and monitoring of cloud-based infrastructure - Utilize monitoring tools to ensure the health and performance of applications, addressing any issues promptly to maintain reliability - Work closely with development, operations, and security teams to ensure cloud infrastructure aligns with business and technical requirements - Evaluate and implement strategies to scale systems efficiently in response to business needs and traffic demands - Investigate and resolve system-related issues, ensuring minimal downtime and consistent system availability - Contribute to the evaluation and integration of cloud services and tools to enhance infrastructure capabilities - Maintain comprehensive documentation of systems, configurations, and operational procedures to support team collaboration and knowledge sharing - 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 Required Qualifications: - 1+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience - 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 - Experience with observability stacks such as DataDog, OpenTelemetry, or Prometheus Preferred Qualifications: - 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 Required Skills: Golang, Java, Kubernetes, API gateway platforms, Envoy, Istio, Gloo Gateway, kgateway, Cloud-native technologies, JWT, OAuth 2.0, OIDC, mTLS, Zero-trust security principles, Performance benchmarking, Latency analysis, Capacity planning, CI/CD pipelines, Networking concepts, HTTP/2, gRPC, TLS, Load balancing, Traffic management, Observability tools, DataDog, OpenTelemetry, Prometheus Benefits: Generous paid time off, Healthcare coverage for you and your family, Resources to create financial security and support your mental health