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!Role DescriptionAs 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 productionWrite high-quality, maintainable, and well-tested codeCollaborate across teams to deliver reliable, user-facing solutionsYou will operate with growing independence, take ownership of components, and contribute to team-level engineering excellence.About the teamThe 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.What You’ll DoBuild and develop desktop applications and features using C#, .NET, and WPFBuild intuitive, efficient user-facing workflows for support agentsConnect desktop applications to backend systems through REST/SOAP APIs (JSON/XML)Write and maintain unit and integration tests to ensure high-quality releasesIdentify, fix, and resolve issues across UI, service integration, and performance layersParticipate in code reviews, build discussions, and Agile ceremoniesCollaborate with product managers, UX designers, QA, and global engineering teamsContribute to CI/CD pipelines and release processesContinuously improve system reliability, maintainability, and performanceSkills You'll Use Every DayTechnical ExecutionDelivers well-scoped features independently with clean, maintainable codeApplies strong fundamentals in object-oriented building, debugging, and testingShows expertise in C#, .NET, and desktop application developmentBuilds solutions with attention to performance, usability, and reliabilityOwnership & DeliveryOwns components or features end-to-end with minimal supervisionProvides reliable estimates and delivers results in an Agile environmentProactively identifies risks, dependencies, and technical gapsProblem SolvingBreaks down moderately complex problems into manageable solutionsSolves problems effectively across UI, services, and data layersUses structured debugging and data-driven approaches to resolve issuesCollaboration & CommunicationCommunicates clearly with engineering, product, and QA partnersActively participates in team discussions, code reviews, and build sessionsWorks effectively with multi-functional and distributed teamsEngineering ExcellenceWrites clean, testable, and well-documented codeFollows guidelines in version control, CI/CD, and code qualityContributes to improving team processes and development standardsMust-Have QualificationsBS/MS in Computer Science, Engineering, or equivalent experience4–8 years of software development experienceSolid background in C#, .NET, and WPF for desktop application developmentExperience working with and incorporating REST/SOAP APIs (JSON/XML)Solid understanding of SQL and relational databasesFamiliarity with NoSQL/document-based datastores (e.g., MongoDB, Cosmos DB, DynamoDB)Experience with Git and modern development workflowsStrong debugging and troubleshooting skillsExperience working in Agile/Scrum environmentsPreferred QualificationsExperience with modern UI frameworks (React, Angular) and web application developmentExperience with test automation and CI/CD integrationFamiliarity with AI-assisted development tools (e.g., GitHub Copilot)Experience working on customer support tools or applications and passionate about improving workflowsExposure to performance optimization and observability practicesExperience working with or migrating to document-based/NoSQL data modelsCertified Application Developer (or equivalent certification) is a plusLocation & Work ModelLocation: Austin or Salt Lake City, USAWork Model: Hybrid (combination of in-office and remote work)Interview ExpectationsLive coding session with screen sharing using an IDEEvaluation of coding ability, problem-solving approach, and communicationExploration of real-world situations involving desktop applications and integrationsAbout eBayLooking 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: DetailsThe base pay range for this position is expected in the range below:$98,000 - $173,600Base 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 View email address on click.appcast.io. 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.We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center and AI Hiring Guidelines.Job SummaryJob number: R0074696Profession: Engineering