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Added 3 months ago
C
Applications Development Tech Lead Analyst
Citi
Remote, Canada
- Full-time
- Remote
Extensive experience in the analysis, design, development, support of distributed applications.
Added 1 month ago
Business Systems Engineer, Intelligent Automation
Lyft
Toronto, ON
Write and optimize SQL/PL-SQL and custom scripts (Java/Groovy/JavaScript/Python); manage code via Git/GitHub; provide production support and on-call as needed.
Added 6 months ago
WI
AWIPS Application Developer
WSP in Canada
St. John's, Newfoundland and Labrador · Greater St. John's Metropolitan Area
- Full-time
This is a deeply technical, hands‑on development role focused on Python and Java, production‑grade cloud environments, and complex data systems. You’ll also play a key role in reducing…
Added 3 months ago
H
Production Support Specialist
HSBC
Toronto, Ontario
- Full-time
…corporate clients to connect to HSBC securely and reliably. As a Production Support Specialist (individual contributor), you’ll help maintain service stability by triaging and resolving…
Added 1 month ago
M
Senior Director, Platform
Miovision
Remote, Canada
- Full-time
- Remote
Establish API contracts as first-class products that natively support authentication, observability, usage metering, and scalable commercial models from day one.
Added 1 month ago
T
Sr. DevOps Engineer, TD Securities
TD
Toronto, ON
- Full-time
Follow standards, policies, procedures, including disaster and business recovery plans, this includes business technology architecture, risk and production capacity guidelines.
Added 3 months ago
OF
QA Automation Engineer
OTT Financial Group
Toronto, Ontario
- Full-time
Support regression testing and release validation for production deployments.
Added 1 month ago
R
Backend Developer
RBC
Toronto, ON
- Full-time
We are seeking a Software Backend Developer to work with the Retail Credit Cloud Integration team. We write Java SpringBoot microservices in an agile environment and deploy them to…
Added 1 month ago
RB
Full Stack Developer, AI
Royal Bank of Canada
Toronto, ON
- Full-time
…monitoring and observability platforms such as Dynatrace to support operational stability and diagnose production…
Added 5 months ago
G
Java Developer
GlobiFYE
Montreal, Quebec
- $100,000 to $105,000 CAD / year
- Full-time
We are an enterprise application development team seeking an experienced Java Developer. In this role, you will be responsible for the design, development, enhancement, and maintenance of…
Added 5 months ago
F
Senior Frontend Engineer
Forma.ai
Toronto, Ontario
- $140,000 to $175,000 CAD / year
- Full-time
Improve frontend architecture, performance, accessibility, testing, and developer experience.
Added 3 months ago
EN
Sr Principal SW Systems Engineer (10342)
Extreme Networks
Toronto, ON
- Full-time
…networking solutions. They rely on our top-rated services and support to accelerate their digital transformation efforts and deliver unprecedented…
Added 1 month ago
OT
Senior Software Developer (Java)
Open Text Corporation
Richmond Hill, ON
- Other
…multi-tenant SaaS applications. We are looking for a Senior Software Developer with a focus on Backend and AI development to join our platform development…
Added 3 months ago
JA
UI React Developer (QTS)
Jay Analytix
Toronto, Ontario
- Contract
We are seeking a UI React Developer with strong Redux experience to join the Quantitative and Technology Services (QTS) team, developing, improving, and supporting strategic applications…
Added 3 months ago
L
NetSuite SCM Engineer - Inventory, WMS & Fulfillment
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
We are seeking a strong techno-functional Senior ERP Application Engineer to support the development, customization, and integration of our global Supply Chain Management (SCM) platforms.…
Added 1 month ago
E
Lead Full Stack Engineer
eBay
Toronto, ON
- Full-time
Own end-to-end delivery of complex features, from technical design and architecture through deployment and production support.
Added 1 month ago
R
Director, DevOps Regulatory Engineering
RBC
Toronto, ON
- Full-time
Translate regulatory, risk and security requirements into automated controls in CI/CD and developer tooling
Added 1 month ago
A
Senior AI and Agentic Developer
Accenture
Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
As an Advanced AI, Large Language Model and Agentic AI Developer/Consultant, you will build production-grade AI applications that transform enterprise workflows. You will translate business…
Added 1 month ago
T
Manager, Web & Mobile Delivery (Bilingual)
TVO
Toronto, ON
- Full-time
…free, trusted, and accessible educational content that can support Ontarians of all ages, regardless of background, location, or circumstance. To fulfill our mandate, TVO delivers…
Added 1 month ago
R
Backend Developer
RBC
Toronto, ON
- Full-time
We are seeking a Software Backend Developer to work with the Retail Credit Cloud Integration team. We write Java SpringBoot microservices in an agile environment and deploy them to…
Added 6 months ago
S
Senior Platform Engineer
Scotiabank
Toronto, Ontario
- Full-time
Own the full lifecycle of platform services, including design, implementation, deployment, and production support.
Added 6 months ago
F
Staff Platform Engineer
Forma.ai
Toronto, Ontario
- Full-time
Write and ship well-designed, production-quality code that improves product capabilities, system reliability, or developer workflows
Added 6 months ago
B
Development Technical Lead
BCGEU
Burnaby, British Columbia
- Full-time
Extensive recent professional experience with Java is required. This is a core requirement, not a nice-to-have. You should be comfortable designing, building, reviewing, and troubleshooting…
Added 1 month ago
R&
IT - Software Developer IV - Java
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled IT - Software Developer IV - Java to join our client in support of an existing vacancy.
Added 1 month ago
T
Senior Software Engineer (Back-end/Server)
Trulioo
Vancouver, BC · Toronto, ON
- Full-time
…customers, optimize costs and combat fraud. Fueled by Silicon Valley support, Trulioo stands as the trusted platform that can verify more than 5 billion people and 700 million business…

eBay

Lead Full Stack Engineer

Toronto, ON, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Experience: BS in Computer Science or related field with 10+ years of experience, or MS with 7+ years.
Posting language: English
Posted: Sep 10, 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.

About the Team & Role

Join eBay's Ad-Tech Innovation team and help build the next generation of advertising for millions of buyers and sellers worldwide. As a Lead Full Stack Engineer, you'll drive end-to-end development of scalable advertising solutions, from engaging user experiences to backend services and data platforms. You'll employ AI-powered development tools and collaborate with ML engineers to integrate LLM and agentic capabilities into next-generation ad products. This is a high-impact opportunity to solve complex challenges, influence technical direction, and accelerate innovation in a fast-growing ad-tech environment.

Learn About Our Work:

eBay Advertising Insights: eBay Advertising
Promoted Listings on eBay: eBay Seller Center - Promoted Listings

Key Responsibilities:

Design and build innovative advertising and commerce features that help eBay sellers and advertisers grow their business.
Develop scalable, highly available applications, APIs, and services using technologies such as React, Node.js, Java, and Scala.
Own end-to-end delivery of complex features, from technical design and architecture through deployment and production support.
Drive technical decisions, system design, and cross-team collaboration to ensure scalable, reliable, and maintainable solutions.
Leverage AI-powered development tools and workflows to improve engineering productivity, code quality, testing, and deployment efficiency.
Partner with ML and AI teams to develop intelligent advertising capabilities, including recommendations, automation, and AI-driven campaign management.
Contribute to a culture of continuous learning, Agile development, open-source collaboration, and rapid software delivery.
Mentor team members, participate in technical discussions, and help shape engineering best practices across the organization.

Qualifications

BS in Computer Science or related field with 10+ years of experience, or MS with 7+ years.

Technical Requirements

Strong experience building modern web applications with React (or similar frameworks), HTML/CSS, and responsive design.
Proficiency in backend development with Node.js, Java (17+), and Spring Boot.
Experience designing and building scalable APIs, distributed systems, and high-traffic applications.
Strong knowledge of messaging technologies (Kafka, RabbitMQ), relational and NoSQL databases, and data modeling.

Architecture & Engineering

Proven system design expertise with distributed systems, including scalability, reliability, and performance trade-offs.
Experience leading end-to-end technical design, architecture reviews, and cross-functional engineering initiatives.
Strong foundation in computer science fundamentals, including data structures and algorithms.

Tools & Practices

Experience with CI/CD pipelines and modern development tools.
Familiarity with AI-assisted engineering tools and AI-driven automation workflows.

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

You will lead the end-to-end development of scalable advertising solutions and integrate AI-driven capabilities into next-generation ad products. You will also collaborate with cross-functional teams to design robust system architectures and mentor engineering staff.

Requirements

Candidates must have a BS in Computer Science with 10+ years of experience or an MS with 7+ years. Strong proficiency in full-stack development, distributed systems, and modern web frameworks like React and Java is required.

Skills

React
Node.js
Java
Scala
System Design
Distributed Systems
Kafka
RabbitMQ
NoSQL
Data Modeling
CI/CD
API Development
Machine Learning
LLM
Cloud Architecture
Agile

Visa sponsorship

Not detected in the job text

Keywords

Full Stack Engineering
Ad-Tech
Ecommerce
React
Node.js
Java
Scala
Spring Boot
Kafka
RabbitMQ
NoSQL
Distributed Systems
System Design
Machine Learning
LLM
AI-powered development
CI/CD
Agile
API
Scalability
Data Modeling
Software Architecture
Responsive Design
Performance Optimization
Technical Leadership
Mentorship
Cloud Computing
Automation
Advertising Solutions
Engineering Productivity

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