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eBay

Backend Software Engineer

Posted 2 Days Ago
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In-Office
Toronto, ON, CAN
Senior level
In-Office
Toronto, ON, CAN
Senior level
Design, implement, test, and operate large-scale distributed backend systems. Collaborate with architects, product, and ops to build scalable services (beyond 1B requests/day), participate in design reviews and code reviews, estimate and plan work, and share release, support, and on-call responsibilities for a 24x7 site.
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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.

Looking for a company that inspires passion, courage and creativity, where you can be on the team shaping the future of global commerce? Want to shape how millions of people buy, sell, connect, and share around the world? If you’re interested in joining a purpose driven community that is dedicated to crafting an ambitious and inclusive work environment, come join the eBay Seller team.

eBay hires innovators who can push boundaries and change the world.

As a self-motivated and enthusiastic member of our team, you will work with extremely hardworking peers in a fun environment. You will work in an agile environment with a focus on problem solving and engineering perfection.

What you will accomplish:

  • Build solutions using your strong background in distributed systems, and large scale database systems.

  • Research, analyze, design, develop and test the solutions that are appropriate for the business and technology strategies.

  • Participate in design discussions, code reviews, and project related team meetings.

  • Work with other engineers, Architects, Product Management, and Operations teams to develop innovative solutions that meet business needs with respect to functionality, performance, scalability, reliability, realistic implementation schedules and consistency to development principles and product goals.

  • Develop technical & domain expertise and apply to solving product challenges.

  • Define, design, and implement complex, multi-tier distributed software systems scaling beyond 1B requests/day and focused on improving user experience at eBay.

  • Estimate engineering effort, plan execution cycles, and rollout system changes

  • Share engineering support, release, and on-call responsibilities for an always-on 24x7 site.

What you will bring:
  • Bachelor’s degree in Computer Science plus 5+ years of experience or MS in Computer Science plus 3+ years of hands-on experience in building large-scale distributed systems.

  • Excellent understanding of computer science fundamentals, data structures and algorithms.

  • Extensive hands-on experience and expertise in object-oriented design methodology and application development using Java/J2EE, Design Patterns, Spring MVC, GraphQL, MongoDB.

  • Good understanding of using various database systems (NoSQL and relational) at scale.

  • Ensure code quality and maintainability by evolving architecture and tech stack,, refactoring, standards and improving build and test systems.

  • Partner effectively and influence peers, juniors and seniors both within the organization and across eBay.

  • Experience building backend services using Java and Kotlin, with hands-on expertise in GraphQL

  • Experience using AI tools like Claude, Cursor, Cline etc.

Additional Details

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

C$118,000 - C$157,500

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 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 [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.

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.

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