Design distributed authentication services for eBay using Java, Spring Boot, REST, and event-driven architecture. Help build cloud-native capabilities. This Senior Software Engineer role focuses on production-grade backend applications and scalable distributed systems. You will create APIs and microservices supporting Authentication as a Service, extending eBay’s capabilities toward Depop and additional marketplaces. Your work includes architecture, implementation, deployment, troubleshooting, and continuous improvement. Key Responsibilities:

Develop Java and Spring Boot backend services and REST APIs Design scalable microservices and distributed system architectures Build asynchronous workflows with Google Pub/Sub or Kafka Contribute decisions on scalability, security,



and fault tolerance Own services through design, deployment, and troubleshooting Requirements:

Six or more years building production-grade software Strong Java experience or willingness to develop in Java Backend development experience with RESTful APIs and microservices Understanding of event-driven and asynchronous architectures Solid problem-solving and independent technical ownership skills Use Java, Spring Boot, distributed systems, and event-driven design to shape eBay’s reusable authentication services.

📌 Senior Java Distributed Systems Engineer (Toronto)
🏢 eBay
📍 Toronto