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Added 20 days ago
Senior Full Stack Engineer - Chief Technology Officer (CTO) - Platform Engineer
HSBC
Toronto, ON
Full-time
Join Chief Technology Officer (CTO) Platforms as a Senior Full Stack Engineer focused on app.hsbc with end-to-end responsibility for one or more platform products and services. This is a…
Added 19 days ago
Full Stack Engineer - Equities Technology
HSBC
Toronto, ON
Full-time
…extensible and high-performing global platform. As a Full Stack Engineer within Cash & Electronic, you will design and deliver enhancements that support low-latency trading and real-time…
Added 13 days ago
Associate, Software Engineer, New Grad Card Expansion
Capital One
Toronto, ON
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Associate, Software Engineer, New Grad Card Expansion
Added 24 days ago
Data Engineer - Canada Region
Slalom
Vancouver, BC · Greater Vancouver Metropolitan Area
Full-time
As a Data Engineer at Slalom, you will collaborate with clients, architects, and multidisciplinary delivery teams to design, build, and operationalize scalable data solutions. Your work may…
Added 20 days ago
Senior Product Engineer
RBC
Toronto, ON
Full-time
As a Product Engineer, you will bridge product strategy and engineering excellence, influencing how AI is built, deployed, and scaled to transform banking operations through sophisticated…
Added 19 days ago
Software Development Engineer (Full Stack) - Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
Evisort Engineering is growing! As a Fullstack Software Engineer, you’ll join a collaborative, cross-functional team working to enhance and expand our AI-driven contract management…
Added 20 days ago
Software Development Engineer in Test(SDET)
RBC
Toronto, ON
Full-time
…spans the breadth of Windows and Linux platforms, Python / Java, Hive, and MS…
Added 20 days ago
Senior Software Engineer, Frontend
Sardine
Remote, Canada
$160,000 to $210,000 CAD / year
Full-time · Remote
As a frontend-focused Senior Software Engineer, you will own the design and delivery of the user-facing experiences at the heart of our AI products. Your primary focus is building polished,…
Added 24 days ago
Software Test Engineer
Oliver Peters
Canada
Full-time
Software Test Engineer - Competitive Salary + Bonus
Added 20 days ago
Short Term 2027 Data Analyst Intern/Co-Op
Advanced Micro Devices, Inc
Markham, ON
…Analytics, Data Engineering, Computer Engineering, Electrical Engineer, Computer Science or a related…
Added 20 days ago
Summer 2027 Long Term AGS Libraries Intern/Co-op
Advanced Micro Devices, Inc
Calgary, AB
Currently in a 3rd or 4th year of a Bachelor's degree in Computer Science, Computer Engineer, Electrical Engineering, Math or equivalent.
Added 20 days ago
Short Term 2027 Graphics Software Engineering Intern/Co-Op
Advanced Micro Devices, Inc
Markham, ON
There are a wide variety of software engineering opportunities available such as application, kernel, graphics, AI development. As an AMD Software Engineer, you can expect to –
Added 20 days ago
Summer 2027 Long Term Graphics Software Engineering Intern/Co-Op
Advanced Micro Devices, Inc
Markham, ON
There are a wide variety of software engineering opportunities available such as application, kernel, graphics, AI development. As an AMD Software Engineer, you can expect to –
Added 19 days ago
Technical Lead
407 ETR
Woodbridge, ON
Full-time
407 ETR is seeking a highly skilled and hands-on Sr. Software Engineer to support the design, development, and modernization of the Strata platform, a mission-critical revenue generation…
Added 20 days ago
Staff Engineer, Site Reliability Engineering
General Motors
Markham, ON
Full-time
We are seeking a Staff Engineer to help make GM’s data platforms reliable, observable, operable, and scalable. This is a senior technical leadership role for someone who can move…
Added 24 days ago
Senior Data Engineer
Capgemini
Mississauga, ON
Full-time
Senior Data Engineer role to be part of our scrum teams and perform functional system development for Hadoop applications for our Enterprise Data Lake initiative
Added 24 days ago
Staff Fullstack Engineer, AI Acceleration Team
Okta
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
Staff FullStack Engineer, AI Acceleration TeamThe AI Acceleration Team
Added 20 days ago
Associate Software Engineer (Fullstack)
TD
London, ON · Toronto, ON
Full-time
We are looking for an Associate Software Engineer to join a collaborative engineering team and develop broad capability across full-stack distributed application development. This L7 role…
Added 20 days ago
Sr. Software Engineer, Backend/GraphQL
eBay
Toronto, ON
Full-time
Working knowledge of Java and/or Kotlin, plus an understanding of service-oriented architecture, microservices, and modern engineering practices.
Added 20 days ago
Software Development Manager
Lightspeed Commerce, Inc.
Remote, Canada
Full-time · Remote
Directly and indirectly managing a team through collaboration with, and mentorship of a Technical Lead Staff Engineer
Added 21 days ago
Principal Application Security Engineer
Barracuda Networks Inc.
Ottawa, ON
As a Principal Application Security Engineer, you will be tasked with shaping, growing, and leading Barracuda’s Application Security program. Additionally, as the most senior member of the…
Added 20 days ago
SAP iXp Intern - Cloud Engineering [Vancouver]
SAP
Vancouver, BC
Applied programming skills and experience (JavaScript, C++, Java, C and SQL and/or in memory database)
Added 25 days ago
Senior Software Development Engineer
BeyondTrust
Canada
Full-time
BeyondTrust is seeking a Sr Software Development Engineer to help build the NHI Governance domain within our Pathfinder products. You will design, build, and operate the full-stack services…
Added 25 days ago
Senior Software Engineer- Big Data & Java
PointClickCare
Mississauga, ON
$142,000 to $158,000 CAD / year
Full-time
Experience in writing clean code that performs well at scale using languages such as Python, Java etc.
Added 25 days ago
Staff Software Engineer
Henry Schein One | Exan
Surrey, BC
$155,000 to $175,000 CAD / year
Full-time
We are looking for a Staff Software Engineer to join our Ascend Specialty domain. This is a hands-on technical leadership role where you will help shape the architecture, improve…

eBay

Sr. Software Engineer, Backend/GraphQL

Toronto, ON, Canada

Job type: Full-time
Posting language: English
Posted: Sep 1, 2026

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Original job description

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.

Looking for a company that inspires passion, courage and creativity, where you can be on the team shaping the future of global commerce? Want to shape how millions of people buy, sell, connect, and share around the world? If you’re interested in joining a purpose driven community that is dedicated to crafting an ambitious and inclusive work environment, join eBay – a company you can be proud to be with.

About the team and the role:

As a member of our GraphQL champions community, you will help shape how eBay evolves its business and technology capabilities through scalable, high-quality API experiences. In this role, you will work closely with senior technology leaders, architects, and product owners to streamline product integration through Apollo GraphQL Federation and translate business use cases into clear, durable API contracts.

This is a highly impactful engineering role with ownership of critical production systems that support availability, throughput, and platform reliability at scale. You will influence schema design, query performance, security requirements, error handling, and client integration patterns while partnering across foundational platform teams. You will also help grow GraphQL knowledge across eBay by supporting product teams in migration efforts and championing adoption of best practices.

At eBay, we know diverse perspectives drive better outcomes, and we are committed to building an inclusive workplace where employees feel safe, supported, and able to bring their authentic selves to work. We also offer comprehensive benefits designed to support employees through different life stages, including parental leave, paid sabbatical, and programs that support financial well-being.

What you will accomplish:

Lead the design and implementation of federated GraphQL solutions using Node.js, Spring Boot, and DGS to improve how teams build and integrate APIs across eBay’s ecosystem.
Own and evolve highly critical production services, helping ensure strong availability, resilience, and throughput for customer- and business-facing experiences.
Partner with senior technology leaders, architects, product owners, and adjacent platform teams to turn business needs into scalable API contracts and unified architecture decisions.
Drive improvements in query performance, cost analysis, security, error handling, and client integration patterns to enable reliable and efficient GraphQL adoption.
Enable product teams on their GraphQL learning and migration journeys by providing technical guidance, reusable patterns, and best practices for federation and schema design.
Prototype and refine practical solutions in Node.js or Spring Boot, continuously improving engineering design, development processes, and platform standards as the ecosystem evolves.

What you will bring:

8+ years of software development experience building and supporting production applications or distributed systems at scale.
2+ years of hands-on experience with Node.js and/or Spring Boot, with the ability to design, build, and troubleshoot robust backend services.
Experience designing, documenting, and governing public APIs, with a strong focus on usability, consistency, and long-term maintainability.
Hands-on or transferable experience with GraphQL, including preferred experience with federated GraphQL and schema design; familiarity with Apollo Federation is a plus.
Working knowledge of Java and/or Kotlin, plus an understanding of service-oriented architecture, microservices, and modern engineering practices.
Strong collaboration and leadership skills, including the ability to influence across stakeholders, mentor less experienced team members, and work effectively with technologies such as TypeScript, Docker, and Kubernetes when needed.

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Additional Details

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 [email protected]. 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.

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More about this job

Responsibilities

Lead the design and implementation of federated GraphQL solutions using Node.js and Spring Boot to improve API integration across the ecosystem. Own critical production services while partnering with architects and product owners to ensure high availability and performance.

Requirements

Requires 8+ years of software development experience with a focus on distributed systems and production applications. Candidates must have hands-on experience with Node.js, Spring Boot, and GraphQL, specifically with schema design and federation.

Skills

GraphQL
Apollo Federation
Node.js
Spring Boot
Java
Kotlin
TypeScript
Docker
Kubernetes
API Design
Microservices
Distributed Systems
Schema Design
Performance Optimization
System Architecture
Mentorship

Benefits

Parental leave
Paid sabbatical
Financial well-being programs

Visa sponsorship

Not detected in the job text

Keywords

GraphQL
Apollo Federation
Node.js
Spring Boot
DGS
Java
Kotlin
TypeScript
Docker
Kubernetes
Microservices
API Contracts
Distributed Systems
Schema Design
Performance Tuning
System Reliability
Software Engineering
Backend Development
E-commerce
Federated Architecture
API Governance
Cloud Native
Scalability
Error Handling
Technical Leadership
Mentoring
Platform Engineering
Service-Oriented Architecture
Production Support
API Integration

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