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Added 1 month ago
C
Quality Analyst Lead
CGI
Toronto, ON
- Full-time
4-5 years of hands-on experience with Java and Selenium automation testing.
Added 1 month ago
4E
Technical Lead
407 ETR
Woodbridge, ON
- Full-time
…key role in technical modernization initiatives across C++, Java/Spring Boot services, API development, Oracle database integration, DevOps enablement, and platform engineering. This…
Added 1 month ago
Manager, Development
Government of Alberta
Edmonton, AB
Oversee the end-to-end design, development, testing, and deployment of secure, scalable, API-first, and AI-ready digital solutions that align with government standards and business…
Added 1 month ago
R
Senior Frontend Developer
Resonaite
Toronto, ON
- Full-time
Our client, a growing technology start-up, is seeking an experienced Senior Front-End Developer to help design, build, and deliver the next generation of its B2B digital products and…
Added 1 month ago
I
Data Services Consultant Associate (May or September 2027 - Toronto or Calgary)
IBM
Toronto, ON
- $67,575 to $95,400 CAD / year
- Full-time
Experience with or knowledge of API development, containers, and version control
Added 1 month ago
I
Data Services Consultant Associate (May or September 2027 - Toronto or Calgary)
IBM
Calgary, AB
- $67,575 to $95,400 CAD / year
- Full-time
Experience with or knowledge of API development, containers, and version control
Added 1 month ago
T
Associate Software Engineer (Fullstack)
TD
London, ON · Toronto, ON
- Full-time
…experience while developing distributed application skills in Java, Node.js, Angular, REST APIs, databases, and cloud technologies. You will work with experienced engineers, receive…
Added 1 month ago
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Sr. Software Engineer, Backend/GraphQL
eBay
Toronto, ON
- Full-time
…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…
Added 1 month ago
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Full Stack Developer
Element Fleet Management
Toronto, ON
- Full-time
Minimum 5 years of experience as an API developer, back-end developer, or similar software development role
Added 1 month ago
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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
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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
KS
Flutter Developer
Kumaran Systems
ON · Ontario, Toronto
- Full-time
We are seeking an experienced Flutter Developer to join our mobile development team. The successful candidate will have 3-5 years of professional mobile development experience and will be…
Added 1 month ago
YC
Senior Java Developer-CURAM CRM
Yoush Consulting
Toronto, ON · North York (Bayview Village), Ontario
- Full-time
This is a long-term contract for a senior Java developer with experience with Curam CRM software
Added 1 month ago
T
Automation QA
TechDoQuest
Markham, ON
- Contract
Added 1 month ago
AT
Guidewire Lead
Aarorn Technologies Inc
Toronto, ON
- $55 CAD / hour
- Contract
Added 1 month ago
Software Engineer, New Grad
Stripe
Toronto, ON
Experience and familiarity with programming, either through side projects or classwork. We work mostly in Java, Ruby, JavaScript, Scala, and Go. We believe new programming languages can be…
Added 1 month ago
Software Engineer, Intern (Summer or Winter)
Stripe
Toronto, ON
Experience and familiarity with programming, either through side projects or classwork. We work mostly in Ruby, Java, Javascript, Go, and Scala. We believe new programming languages can be…
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
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RQ11400 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
and systems integration, using multiple technologies - REST API, SOAP/WSDL web
Added 1 month ago
EM
Senior Full Stack Developer - Salesforce (Contract)
Electric Mind
Toronto, ON
- Contract
We're looking for a Senior Full Stack Developer with Salesforce experience to join our team!
Added 1 month ago
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Sr Backend Developer - AI‑assisted development tools
TechDoQuest
Toronto, ON
- $50 to $55 CAD / hour
- Contract
We are seeking a proficient 6 to 12 year Java Backend Senior Developer in Java Spring Boot
Added 1 month ago
JH
Developer
Java Holdings Ltd
Edmonton, AB
- Full-time
Java Holdings Ltd. owns a portfolio of companies and provides high-level execution support for large utility, oil and gas, and power generation projects, with a focus on EPCM (Engineering,…
Added 1 month ago
H
Full Stack Engineer
Hays
Toronto, ON
- Contract
We are looking for a Full Stack Java Developer to build and enhance modern web applications using Angular on the frontend and Java/Jakarta EE on the backend. The role also requires working…
Added 1 month ago
VH
Software Engineer, Technical Lead
Verily Health
Toronto, ON
- Full-time
Develop scalable backend services and user interfaces using Go, Java, React, TypeScript, and Terraform.

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.

We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center, and AI Hiring Guidelines.

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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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