SWE - MTS, Backend

Staff Backend Engineer (L26) – Buyer Experience Platform

Location:

Toronto, Canada - Hybrid 1-2 days onsite About the Role

The Buyer Experience Platform team at eBay builds the backend systems that power critical buyer journeys across search, discovery, trust, checkout, and post-purchase experiences.

As a Staff Software Engineer you will be part of a team responsible for building out the newest eBay experience - live shopping platform: eBay Live. Live shopping naturally fits into the eBay ethos -- focused largely on unique items, collectibles and fashion, and enabling direct communication between buyers and sellers. This is a relatively new trend in the US and Europe, growing quickly, and is already broadly established in APAC.

We are looking to hire a passionate, collaborative and motivated Backend Staff Software Engineer, who will help us develop and evolve eBay Live to be a market leader in live shopping and become a key part of the global eBay platform.

Join us to make an impact on one of the world’s largest e-commerce websites.

• Lead the architectural design and development of scalable, highly available backend services that support buyer-facing experiences
• Serve as a technical authority within the Buyer Experience Platform, influencing system design decisions across teams and domains
• Build and evolve backend systems using Java (primary) and additional OOP languages such as Python, Go, or C++
• Design, deploy, and operate distributed systems in cloud environments (GCP preferred; AWS or Azure acceptable)
• Partner cross-functionally with product, design, and engineering leaders to shape technical strategy and roadmaps, balancing short-term delivery with long-term platform health
• Lead delivery of complex, cross-team initiatives, providing technical direction and mentorship to senior engineers
• Ensure systems meet high standards for performance, availability, resiliency, security, and accessibility
• Promote modern engineering practices including shift-left quality, automation, CI/CD, and operational excellence

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience
• 8+ years of backend engineering experience, with sustained impact on large-scale production systems
• Deep expertise in Java and strong proficiency in additional object-oriented languages such as Python, Go, or C++
• Proven experience designing and operating distributed, service-oriented architectures
• Hands‑on experience with cloud-native systems in GCP, AWS, or Azure
• Demonstrated ability to lead architectural design and influence technical decisions across multiple teams
• Experience owning and delivering complex software systems end‑to‑end
• Strong communication skills and a collaborative approach to technical leadership

This job posting relates to an existing vacancy within eBay.

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, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at  View our accessibility statement.

To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center, and AI Hiring Guidelines.