What You’ll Do And Learn Translate requirements to software design and create clean, efficient, extensible, maintainable code. Be responsible for subsystems within a large domain, possessing in-depth knowledge and expertise. Take full responsibility for the entire software life cycle, including design, development, testing, deployment, observability and monitoring. Serve as a key player in influencing and guiding others towards the right technical decisions. Identify areas of features likely to change and integrating flexibility in the design for these areas improving engineering velocity. Collaborate effectively with partners across multiple functions to develop innovative solutions that enforce to development goals and principles. Practice evidence-centered design making features testable, ensuring high quality and improving velocity in continuous delivery. Manage project features, break into sub-tasks, identify and resolve issues for efficient execution. Provide technical guidance, code review for immediate team and other teams, coaching, and mentorship to individual team members. Identify gaps and issues across systems and functional areas, propose solutions, build the engineering roadmap, and drive resolution. Lead and improve E2E testing quality and increase delivery velocity across features. Lead engineering support, release, and on-call responsibilities for an "always-on" 24/7 site. What You Bring An innovative, great teammate, excellent communication and decision-making A strong sense of ownership and interpersonal skills to work effectively across teams Passion about new and innovative technologies within immediate field of expertise A willingness to participate in sessions focused on exchanging insights, both within the company and externally Experience 6+ years of experience with Java, GraphQL, Spring/Springboot, REST APIs, messaging systems and/or other backend programming languages. 6+ years of experience designing front-end systems and development using Javascript/Typescript, CSS, React, NodeJS, Server-side rendering using one of the open-sourced UI libraries (Material UI/Ant UI), Integration with REST/GraphQL APIs Strong portfolio demonstrating BEM-structured CSS and understand the intricacies of how browsers work. Experience with Webpack and Express.js 6+ years of experience building large scale, distributed web platforms/APIs with 2+ years as a lead developer responsible for specific functional areas. Experiences in leading small to mid-size projects independently. Bachelor’s degree in EE, CS or other related field. Tech Skills Experience in crafting GraphQL/Restful APIs, and building server-side components in Java, NodeJS or similar backend development languages. AI first attitude with proficiency in Claude Code/Cursor/Copilot. Background in developing web applications using modern JavaScript frameworks (e.g. React, Angular) and Spring Boot IO frameworks. Proficient in Structured and unstructured data structures. Good understanding of the ML data pipelines, feature engineering and model training. Designs and builds scalable, distributed, high-performant, robust and high-available systems. Building data-driven applications (RDBMS, NoSQL, ElasticSearch). Delivers results in fast-paced environments (agile, TDD, CI/CD). Familiarity with shift left approach is a plus. 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. #J-18808-Ljbffr