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 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

• Location: Austin or Salt Lake City, USA

• Work Model: Hybrid (combination of in-office and remote work)

• Live coding session with screen sharing using an IDE

• Evaluation of coding ability, problem-solving approach, and communication

• Exploration of real-world situations involving desktop applications and integrations

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/

Additional Details

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

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Remote roles are not eligible for U.S. visa sponsorship.

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 [email protected]. 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. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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