Software Engineer 3, .NET (C#/WPF)

The Agent Desktop team builds and operates the core tools used by eBay’s global customer support agents to deliver fast, accurate, and high-quality customer experiences. These applications are central to how agents interact with customers and internal systems, directly impacting agent productivity and customer satisfaction at scale.

• Build and develop desktop applications and features using C#, .NET, and WPF
• Build intuitive, efficient user-facing workflows for support agents
• Connect desktop applications to backend systems through REST/SOAP APIs (JSON/XML)
• Write and maintain unit and integration tests to ensure high-quality releases
• Identify, fix, and resolve issues across UI, service integration, and performance layers
• Participate in code reviews, build discussions, and Agile ceremonies
• Collaborate with product managers, UX designers, QA, and global engineering teams
• Contribute to CI/CD pipelines and release processes
• Continuously improve system reliability, maintainability, and performance

• Delivers well-scoped features independently with clean, maintainable code
• Applies strong fundamentals in object-oriented building, debugging, and testing
• Shows expertise in C#, .NET, and desktop application development
• Builds solutions with attention to performance, usability, and reliability

Ownership & Delivery

• Owns components or features end-to-end with minimal supervision
• Provides reliable estimates and delivers results in an Agile environment
• Proactively identifies risks, dependencies, and technical gaps

Problem Solving

• Breaks down moderately complex problems into manageable solutions
• Solves problems effectively across UI, services, and data layers
• Uses structured debugging and data-driven approaches to resolve issues

Collaboration & Communication

• Communicates clearly with engineering, product, and QA partners
• Actively participates in team discussions, code reviews, and build sessions
• Works effectively with multi-functional and distributed teams

Engineering Excellence

• Writes clean, testable, and well-documented code
• Follows guidelines in version control, CI/CD, and code quality
• Contributes to improving team processes and development standards

• BS/MS in Computer Science, Engineering, or equivalent experience
• 4–8 years of software development experience
• Solid background in C#, .NET, and WPF for desktop application development
• Experience working with and incorporating REST/SOAP APIs (JSON/XML)
• Solid understanding of SQL and relational databases
• Familiarity with NoSQL/document-based datastores (e.g., MongoDB, Cosmos DB, DynamoDB)
• Experience with Git and modern development workflows
• Strong debugging and troubleshooting skills
• Experience working in Agile/Scrum environments

• Experience with modern UI frameworks (React, Angular) and web application development
• Experience with test automation and CI/CD integration
• Familiarity with AI-assisted development tools (e.g., GitHub Copilot)
• Experience working on customer support tools or applications and passionate about improving workflows
• Exposure to performance optimization and observability practices
• Experience working with or migrating to document-based/NoSQL data models
• Certified Application Developer (or equivalent certification) is a plus

The base pay range for this position is expected in the range below:

$98,000 - $173,600

Looking for a company that encourages passion, courage, and creativity—where you can be on the team crafting the future of global commerce? At eBay, we connect millions of buyers and sellers around the world, crafting economic opportunity for individuals, entrepreneurs, businesses, and organizations of all sizes.

We are committed to building an inclusive and diverse workplace where everyone can bring their authentic selves to work and do their best. Learn more: https://www.ebayinc.com/our-company/diversity-inclusion/