Full stack .NET engineer

Requirements

• Strong experience with C# and .NET building backend services, APIs, or batch systems.
• Solid understanding of relational databases and SQL.
• Experience working with distributed services (REST APIs, background workers, or similar) in production.
• Demonstrated focus on testing, code quality, and maintainability.
• Strong debugging and problem-solving skills in complex, integrated environments.
• Effective communication and collaboration with cross-functional partners.

Nice to Haves

• Experience with rules engines, decision tables, or decisioning platforms.
• Background in fraud, risk, trust & safety, or customer service systems.
• Experience with observability tools (metrics, logging, dashboards, alerting) for large-scale services.
• Experience modernizing or refactoring legacy .NET systems and improving deployment pipelines.

What You'll Be Doing

• Design, implement, and maintain .NET services and batch jobs in the IFD codebase that power decisioning and routing.
• Implement and evolve rules and decision logic (e.g., decision tables, mappings, routing) in collaboration with domain partners.
• Build and support APIs and integrations used by Help Hub, Agent Desktop, Seller Help, and other internal clients.
• Drive code quality and safety via unit/integration tests, regression coverage, and code reviews.
• Own observability and reliability (metrics, logs, alerts, dashboards) for the services you build and support.
• Partner with product, operations, and policy teams to translate business requirements into scalable technical solutions.

Perks and Benefits

• eBay is an equal opportunity employer.