Senior Software Engineer – Backend, Buyer Experience Platform

About e Bay

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.

Position Details

Location: Hybrid 1-2 days in our Toronto office

About the Role

The Buyer Experience Platform team at e Bay builds the backend systems that power critical buyer journeys, including search, discovery, checkout, trust, and post-purchase experiences. You will be part of a team responsible for building out the newest e Bay experience -- live shopping platform: e Bay Live. Live shopping naturally fits into the e Bay 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 Software Engineer, who will help us develop and evolve e Bay Live to be a market leader in live shopping and become a key part of the global e Bay platform.

As a Senior Software Engineer, you will design, build, and operate scalable backend services that support high-traffic, buyer-facing applications used by millions of customers globally. This role fits an experienced backend engineer who can build service- and feature-level solutions and deliver results with little mentorship. They also contribute meaningfully to technical decisions within the team and immediate domain.

What You'll Do

• Own the design, development, and delivery of backend services and features, from initial design through production deployment and ongoing support
• Design and maintain scalable, high-availability distributed systems that support buyer-facing experiences
• Contribute to technical design and architectural discussions, influencing decisions within the team and immediate problem space while surfacing risks and trade-offs
• Build backend services using Java (primary) and additional object-oriented languages such as Python, Go, or C++
• Develop and operate services in cloud environments (GCP preferred; AWS or Azure acceptable)
• Partner closely with product managers, designers, and engineering peers to deliver high-quality, inclusive solutions
• Identify, solve, and resolve performance, scalability, and reliability issues in production systems
• Apply modern engineering guidelines including shift-left testing, CI/CD, automation, and observability, while maintaining strong operational ownership

What You Bring

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience in practice
• 5+ years of backend software engineering experience building and supporting production systems
• Strong proficiency in Java and experience with additional object-oriented languages such as Python, Go, or C++
• Hands-on experience with distributed systems, microservices, and systems built around APIs
• Experience working in cloud-native environments such as GCP, AWS, or Azure
• Solid understanding of system design, data modeling, service reliability, and performance optimization
• Demonstrated ability to complete tasks independently, raise risks appropriately, and maintain consistent delivery without requiring Staff-level platform authority
• Clear, inclusive communication skills and a collaborative attitude focused on progress

Compensation and Benefits

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.

Additional Details

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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e Bay Inc. (NASDAQ: EBAY) is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes.