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Role Title: Software Engineer – IFD/DEX Decisioning Platform

About the team

The DEX team builds and operates the decisioning platform that powers Customer Service and Trust workflows at eBay, including automation and routing across Help Hub, Agent Desktop, Seller Help, and related experiences.

Role summary

You will be a hands-on backend engineer working in the IFD codebase to design, build, and support .NET-based services and batch components that implement decision logic and rules for CS and Trust partners. You’ll translate policy and operational requirements into robust, observable, and testable decision flows.

Primary job responsibilities

• 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.

Basic qualifications

• 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.

Preferred qualifications

• 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.

Additional Details

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at talent@ebay.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.

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