At e Bay, 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.

Who Are We?

​The Product Knowledge team is at the epicenter of e Bay’s Tech-driven, Customer-centric overhaul. Our team is entrusted with creating and using e Bay’s Product Knowledge - a vast Big Data system which is built up of listings, transactions, products, knowledge graphs, and more. Our team has a mix of highly proficient people from multiple fields such as Machine Learning, Data Science, Software Engineering, Operations, and Big Data Analytics. We have a strong culture of collaboration, and plenty of opportunity to learn, make an impact, and grow!

e Bay is an amazing company to work for. Being on the team, you can expect to benefit from:

• A competitive salary - including stock grants and a yearly bonus

• A healthy work culture that promotes business impact and at the same time highly values your personal well-being

• Being part of a force for good in this world - e Bay truly cares about its employees, its customers, and the world’s population, and takes every opportunity to make this clearly apparent

What you will accomplish:

• Own a functional area end-to-end; set coding and documentation standards

• Communicate risks/trade-offs and influence decisions across the team

• Map business problems to production-ready solutions; drive ramp, launch, and observability

• Champion engineering excellence: security, scalability, performance, availability

• Identify cross-system gaps; propose solutions and drive resolution

What you will bring:

• Passion and commitment for technical excellence

• B.Sc. or M.Sc. in Computer Science or an equivalent professional experience

• 3–6 years building production systems across web, backend, or mobile

• Proficiency in

web frontend framework (React/TypeScript)

• backend runtime

• mobile stack proficiency in iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose)

• Experience with REST/GraphQL APIs, microservices, and event‑driven patterns; integrating mobile clients with backend APIs

• Solid understanding of data modeling and persistence plus NoSQL; caching

• Hands‑on with cloud, containers (Docker/Kubernetes), and CI/CD ; mobile CI/release tooling (Fastlane, Gradle, Xcode/Xcode Cloud)

• Strong testing discipline (unit, integration, contract, E2E) across web, backend, and mobile; code reviews and documentation

Additional Details

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

C**$142,400** - C**$190,100**

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 RRSP eligibility, 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.

This job posting relates to an existing vacancy within e Bay.

e Bay 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, 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 e Bay's commitment to ensuring digital accessibility.

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