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Added 1 month ago
Software Engineer II
Planview Incorporated
Vancouver, BC
We’re seeking an Intermediate Software Engineer to join our team in Vancouver, BC. In this role, working closely with our senior team members, you will design, implement, and test features…
Added 1 month ago
Q
Software Engineer, Senior
Qualcomm
Toronto, ON
- Full-time
…a smarter, connected future for all. As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded and cloud edge software, applications, and/or…
Added 1 month ago
H
Senior Quality Assurance Automation Engineer
HCLTech
Vancouver, BC
- Full-time
Selenium with Java or Python. Any other automation tools experince works as well.
Added 1 month ago
B
Data Engineer - Sports & Prediction Markets
Betstamp
Toronto, ON
- Full-time
You'll begin with scrapers and gradually take ownership across the stack. Architecture decisions, production incidents, and irreversible changes will be handled alongside a senior engineer.
Added 1 month ago
B
Market Data Engineer - Prediction Markets & Odds Infrastructure
Betstamp
Toronto, ON
- Full-time
Architecture decisions, production incidents, and irreversible changes will be handled alongside a senior engineer.
Added 1 month ago
B
Backend Engineer - Real-Time Sports Data (Go / ClickHouse / AI-Native)
Betstamp
Toronto, ON
- Full-time
You'll begin with scrapers and gradually take ownership across the stack. Architecture decisions, production incidents, and irreversible changes will be handled alongside a senior engineer.
Added 1 month ago
E
Senior Software Engineer (Oracle Fusion)
EBizCharge
Canada
- Full-time
Solid proficiency in one or more of: Java, PL/SQL, Groovy, JavaScript/TypeScript, and Oracle ADF or Visual Builder.
Added 1 month ago
C
Senior Lead Software Engineer, Payment Systems - Vice President
Citi
Mississauga, ON
- Full-time
Citi's Core Payment Systems team is looking for a Senior Lead Software Engineer to architect and drive the modernization of global payment processing platforms that move USD 4 trillion in…
Added 1 month ago
T
Senior Java Full Stack Engineer, TD Securities
TD
Toronto, ON
- Full-time
TDS Enterprise Technology Solutions, Global Prime Brokerage is looking for a Full-time Senior Java Developer.
Added 1 month ago
P
Principal AI Engineer
PointClickCare
Mississauga, ON
- Full-time
PointClickCare is searching for a Principal AI Engineer who will lead and design AI systems across multiple SaaS solutions following our AI Design Patterns, defining technical standards and…
Added 1 month ago
C
Lead Software Engineer (Agentic AI & Full Stack) - Vice President
Citi
Mississauga, ON
- Full-time
Citi is looking for a Lead Software Engineer to architect and deliver next-generation Agentic AI applications at the intersection of full-stack engineering and large language model…
Added 1 month ago
H
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 1 month ago
S
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 1 month ago
4E
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 1 month ago
GM
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 1 month ago
E
Sr. Software Engineer, Backend/GraphQL
eBay
Toronto, ON
- Full-time
…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…
Added 1 month ago
P
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 1 month ago
B
Senior Site Reliability Engineer I
Braze
Toronto, ON
- Full-time
This Senior SRE role is specifically focused on supporting the Braze Ruby on Rails monolith and our growing fleet of Go API services. This position is embedded with product engineering…
Added 1 month ago
B
Senior Site Reliability Engineer I
Braze
Vancouver, BC
- Full-time
This Senior SRE role is specifically focused on supporting the Braze Ruby on Rails monolith and our growing fleet of Go API services. This position is embedded with product engineering…
Added 1 month ago
Software Engineer, Java, Global Payments Engineering (Future Opportunities)
Scotiabank
Toronto, ON
We are seeking an Intermediate Java Developer to join our agile development team and contribute to the design, development, and maintenance of backend services. The ideal candidate has…
Added 1 month ago
RA
Senior Software Engineer, Cloud Platform
Rivian and Volkswagen Group Technologies
Remote, Canada
- $108,200 to $143,430 CAD / year
- Full-time
- Remote
Strong proficiency in Go, Java, or TypeScript, alongside solid foundations in API design, networking, and concurrency.
Added 1 month ago
Consultant senior - Modernisation des applications | Sr. Consultant - Application Modernization, AWS Professional Services
Amazon
Montreal, QC
…closely with customers to design, develop, implement and re-engineer applications to fully leverage the AWS Cloud, including GenAI-accelerated modernization techniques. You'll be a key…
Added 1 month ago
JG
Senior QE Automation - Kafka
J&M Group
Toronto, ON
- Full-time
We are hiring a Senior QE Automation Engineer with strong expertise in Java-Selenium test automation and with exposure to Kafka and Lending Decisioning / FICO domain.
Added 1 month ago
C
Senior Java Developer
CGI
Toronto, ON
- Full-time
…we're still growing! Join Canada's largest IT Company as a Senior Java Developer, in our Financial Services Sector in Toronto. Come build High Value Payments with us! We are looking for a…
Added 1 month ago
Senior Software Test Engineer
Coursera Sourcing
Toronto, ON
As a Senior Software Test Engineer (Test Infrastructure and Tooling) at Coursera, you’ll play a key role in helping teams produce high-quality software for millions of learners across the…

eBay

Sr. Software Engineer, Backend/GraphQL

Toronto, ON, Canada

Full-time

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Job details

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

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 talent@ebay.com. 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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