Mts – Front End Software Engineer

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.

* Must Reside in Ontario *

About the team and role:

We are the eBay B2C Core Listing Tool & System Team! We are seeking an MTS Frontend Software Engineer to join the team in our Toronto location!

We build new and groundbreaking large scale internet applications used by millions of business sellers around the globe every day and drive critical, meaningful & impactful changes to one of world's largest internet properties, these applications help business sellers worldwide to onboard, manage, and grow their businesses on eBay's global marketplace.

In this role, you will contribute at the very core of eBay’s selling experience, to deliver an engaging selling experience for more than 25 million sellers across 22 nations, who collectively generate billions of dollars in revenue quarterly. Performance, reliability, scalability and accuracy are of utmost importance as this area of work is at the absolute top of the funnel for all of eBay’s extensive e-commerce ecosystem.

What you will accomplish:

• Collaborate with engineers, UX designers, and product managers in an agile environment to design, develop, test, and support high-quality, high-performance, visually appealing, and interaction-rich front-end products across all phases of the development cycle, ensuring compatibility across browsers and operating systems.

• Develop and maintain web applications using JavaScript/TypeScript, HTML, CSS, web UX component template language, web assembly, and Node.js. Design and develop responsive layouts, ensuring cross-browser and cross-platform compatibility and performance.

• Build rich web applications by using browser local IndexedDB and web workers, design and implement shareable UX components, libraries, tools, and processes to improve team development agility.

• Estimate engineering effort, plan implementation, and roll out system changes. Identify project technical risks and recommend mitigation strategies.

• Integrate with backend APIs, focusing on performance tuning for both browser and Node.js virtual machines, write and maintain automated tests using tools such as Playwright, Percy, or other testing frameworks.

• Ensure code quality by writing well-structured, maintainable, and efficient code, incorporating CSS and JavaScript standard processes.

• Address accessibility issues and ensure compliance standards, being familiar with web accessibility testing and tools.

What you will bring:

• B.S. or M.S. degree with 6-8 years experience in architecting, designing, and developing highly interactive web applications that are compatible across various browsers and device types.

• Expertise in HTML5, CSS3 (using preprocessors like LESS or SASS), Content Delivery Networks (CDN), and advanced JavaScript/TypeScript development.

• Proficient in Ajax and web template technologies, with expert-level skills in server-side Node.js web application development with strong abilities in data structures and algorithms.

• Knowledge of automation testing tools and experience in writing automation tests to cover unit, component, and UI visual tests.

• Familiarity with Agile/Scrum methodologies, implement and manage CI/CD pipelines using tools like Jenkins and Git.

• Additional experience with GraphQL and REST services for API integration, Full-stack engineering skills and previous software engineering experience in the e-commerce industry would be a plus!

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