Staff Software Engineer, AI Platform

At eBay were more than a global ecommerce leader were changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. Were 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. Were 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.

About the team and the role:

This role sits within eBays engineering organization in Toronto Ontario (Hybrid) and is focused on building a next-generation AI-powered platform that transforms how software is designed developed and delivered at scale. Our Platform Engineering team builds and operates core backend systems that power AI-driven workflows and developer-facing capabilities enabling product teams across eBay to ship faster with higher quality. As a Staff Software Engineer Backend you will be a senior technical leader for critical platform services driving architectural decisions leading complex cross-team initiatives and elevating engineering standards. You will partner closely with product data and engineering leaders while mentoring engineers across the organization all within a collaborative culture that values ownership thoughtful collaboration continuous learning and sustainable work/life balance.

What you will accomplish:

• Lead the design and delivery of large-scale backend and platform services that power AI-driven workflows directly improving developer productivity and product delivery across eBay.

• Define and evolve backend architectures with a strong focus on scalability reliability and maintainability influencing long-term platform direction and technical strategy.

• Drive cross-functional technical initiatives with product data and partner engineering teams aligning priorities and de-risking complex multi-system projects from design through production.

• Raise the bar on engineering practices by championing high standards for code quality testing observability automation and operational excellence across the platform stack.

• Improve system performance resilience and cost efficiency by strengthening monitoring incident response and root-cause analysis for production systems.

• Mentor engineers at multiple levels growing technical leadership within the team and fostering a culture of learning ownership and continuous improvement.

What you will bring:

• 8 years of professional software engineering experience including a proven track record designing building and operating large-scale backend systems in production.

• Strong proficiency in one or more backend languages (such as Java Go Python or similar) and deep experience with distributed systems microservices and cloud-native development.

• Hands-on expertise with databases (SQL and/or NoSQL) messaging systems API design and modern cloud platforms (for example AWS GCP or Azure) including container orchestration with Kubernetes.

• Demonstrated strength in system design debugging and performance optimization with the ability to make thoughtful trade-offs between speed quality and long-term scalability.

• Proven ability to influence technical direction without direct authority collaborating effectively with engineering product and business partners and communicating clearly with technical and non-technical audiences.

• Experience in platform or developer tooling systems and/or familiarity with AI/ML-driven or workflow-based platforms is a plus; this role is based in Toronto Ontario with a hybrid work model and may require occasional flexibility for key collaboration moments.

Additional Details

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

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 you have a need that requires accommodation please contact us at. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBays commitment to ensuring digital accessibility.

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