Software Engineer 3, .NET (C#​/WPF

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

At eBay, we are hiring a Software Engineer 3 to join our motivated and inventive team located in Austin or Salt Lake City. This position involves developing top‑tier customer experiences and supporting ecommerce platforms that bring people together and build communities, generating economic opportunities for all. If you are passionate about crafting excellent user experiences and collaborating with a varied team, this opportunity is for you!

As a Software Engineer 3, you will contribute to the build, development, and maintenance of Agent Desktop applications built on .NET (C#/WPF).

This is a hands‑on individual contributor role where you will:

• Own features from build through production

• Write high‑quality, maintainable, and well‑tested code

• Collaborate across teams to deliver reliable, user‑facing solutions

You will operate with growing independence, take ownership of components, and contribute to team‑level engineering excellence.

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

Technical Execution

• 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

• 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

• 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

• 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

• 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…