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Lead Backend Engineer, GCP

Job in Toronto, Ontario, M5A, Canada
Listing for: eBay
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    Backend Developer, Software Engineer
Job Description & How to Apply Below
This job is with eBay, an inclusive employer and a member of my Gwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

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.

Hybrid Role - 3 days in our Toronto office

Who We Are
TCGplayer, now a part of eBay, connects a global community of millions of buyers with tens of thousands of retailers in a $25B global collectible card game and collectible hobbyist space. We pride ourselves on a culture of inclusion that fosters camaraderie, embraces diversity, and exudes passion. We are one of New York State's 50 best employers and 's top 100 companies for women in the U.S!

The TCGplayer Warehouse Management System (WMS) team works on developing software solutions to help the Seller and Buyers of Trading Card Games.

We are building a full-service product to facilitate the authentication of TCGs so that buyers and sellers can interact with confidence, knowing their products are genuine and at a fair market price.
In addition to that, the team is building a full WMS encapsulating Receiving, Inventory, Picking, and Shipping.

The Impact You Will Make Here
We are looking for a Lead Backend Engineer to lead the design and development of distributed systems and cloud infrastructure. In this role, you will combine deep backend expertise with hands-on leadership driving system architecture, building scalable services, and shaping infrastructure through Infrastructure as Code (Terraform).

You'll work closely with a small team of six engineers to deliver reliable, high-impact solutions, owning projects end to end from design through the pipeline to production. The ideal candidate brings strong experience building complex backend systems, developing and operating cloud infrastructure (GCP), hands-on Java expertise, and the ability to lead autonomously while setting a high technical bar.
Architect, design, develop and test complex, multi-tier distributed Warehouse Management System software systems

Lead architecture discussions, develop well-documented design docs, and facilitate development and code reviews ensuring alignment with industry standards

Work with product managers, collaborators, and cross-functional teams to build software solutions that fulfill functional and non-functional needs, establish project plans and deliverables

Estimate engineering effort, plan execution cycles, and roll out system changes

Identify and address performance bottlenecks in software systems & ensure systems are secure, scalable, and maintainable

Write Unit and Integration tests and ensure software developed meets high quality standards

Stay updated on emerging technologies and integrate them into development processes whenever applicable

Function as a team leader utilizing communication, leadership, and problem-solving skills

What You Bring to the Team
Bachelor's degree in Computer Science or related field plus 8+ years of experience or Master's degree in Computer Science or related field plus 7+ years of hands-on experience in building large-scale distributed systems

Hands-on experience with Google Cloud Platform (GCP), particularly in Google Cloud Run and deployment pipelines

Extensive hands-on experience and expertise in object-oriented design methodology and application development using Java/J2EE OR Kotlin, including frameworks such as Spring Boot

Strong expertise in designing and developing REST API

Deep understanding of SQL Databases, preferably experience Postgres

Familiarity with tuning systems,…
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