Staff Full Stack Engineer — MTS 1

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. The Role: The eBay Seller Experience team is looking for a dedicated, creative, and highly experienced Staff Full Stack Engineer to help architect, design, and build scalable, high-performing software for sellers worldwide. In this role, you will work across frontend applications, backend services, APIs, and platform integrations that power core selling experiences on eBay’s global marketplace. You will contribute to systems used by sellers to list inventory, manage their business, optimize performance, and grow successfully on eBay. This is a high-impact role at the center of eBay’s selling ecosystem. It requires strong technical judgment, multi-functional leadership, and a passion for building reliable, intuitive, and scalable products. As a Staff Full Stack Engineer, you will own end-to-end technical delivery across the full stack, from modern React-based user experiences to robust Node.js services and integrations. You will also help shape engineering practices, mentor other engineers, and drive technical excellence across the team. Roles and Responsibilities Design, build, and deploy reliable, high-performing full-stack applications and APIs using React, Node.js, and TypeScript, translating complex business requirements into scalable architectures. Collaborate closely with multi-functional partners, including Product, Build, and other Engineering teams, to deliver high-impact end-to-end seller experiences in an Agile environment. Optimize developer productivity and system consistency by creating reusable components, shared libraries, and incorporating AI-assisted development practices. Ensure high software quality, system observability, and operational excellence through comprehensive testing, continuous integration, and proactive production support. Mentor and guide other engineers through code reviews, technical coaching, and design alignment, raising the engineering bar across the team. Skills and Experience BS/BA in Computer Science or related field. 8+ years of professional full-stack software development experience, with strong proficiency in TypeScript, Node.js, React, and modern web fundamentals in high-traffic production environments. Solid understanding of backend service design, microservices, distributed systems, database modeling (relational/NoSQL), and API development (REST/GraphQL). Strong grasp of frontend architecture, component design, state management, performance optimization, and web accessibility. Hands-on experience with modern engineering practices, including CI/CD pipelines, comprehensive testing, cloud-native observability, and AI-assisted development tools. Demonstrated ability to mentor engineers, influence technical decisions, and collaborate effectively with cross-functional partner teams. Self-driven and highly collaborative mindset, with a strong commitment to engineering excellence, continuous learning, and fostering an inclusive environment. 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 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 . 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 .