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Added 2 months ago
A
Senior Product Manager, AI/ML Platform
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
You will partner closely with platform engineers, ML engineers, and data scientists to improve end-to-end workflows spanning data exploration, experimentation, model deployment, inference,…
Added 1 month ago
F
Senior QA Analyst
Financeit
Toronto, ON
- $95,000 to $105,000 CAD / year
- Full-time
Collaborate with developer-in-test to design, implement and maintain automation test scripts
Added 1 month ago
FA
Senior Software Engineer
Fastbreak AI
London, ON
- Full-time
…gets built, how it gets built, and why, then own that decision end-to-end. At Fastbreak AI, engineering isn't downstream of product; it's at the table shaping it. This is a role for someone…
Added 1 month ago
Senior Developer
Bentley Systems
Quebec, QC
…Azure, and CI/CD practices using Azure DevOps. As Lead Senior Developer, you will provide hands-on technical leadership, delivery ownership, and team coordination for a platform that gives…
Added 5 months ago
PI
Sr Android Engineer
Princeton IT Services, Inc
Toronto, Ontario
- Full-time
…the Payfare Android apps and their integration with our back-end services and third-parties. As a Senior Android Engineer, you will be working in a team maintaining and making additions to…
Added 6 months ago
KC
Senior Manager GRC
KPMG Canada
Toronto, Ontario
- Full-time
Deliver enablement (admin/end-user training, playbooks, SOPs, knowledge transfer).
Added 5 months ago
F
Senior Frontend Engineer
Forma.ai
Toronto, Ontario
- $140,000 to $175,000 CAD / year
- Full-time
…areas such as Core Services, Business Intelligence, workflows, automation, APIs, claims management, next-generation reporting, and data exploration…
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 1 month ago
E
Lead Full Stack Engineer
eBay
Toronto, ON
- Full-time
…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…
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 6 months ago
A
Staff Product Engineer, Canada
Ashby
Canada
- Internship
…and space to do so. At Ashby, all our engineers ship features end-to-end at a high pace. Example is the best leadership. We’ll give you the room to do your best work, and you'll be our…
Added 5 months ago
S
Senior Platform Engineer
Scotiabank
Toronto, Ontario
- Full-time
Improve developer and end‑user experience by delivering scalable platform capabilities and resolving complex ad‑hoc issues.
Added 3 months ago
B
Consultant, Modern Workplace Technology Consulting
BDO
Oakville, Ontario · Toronto, Ontario
- Full-time
Responsible for leading workshops to gain insights into end user and customer needs
Added 2 months ago
B
Senior Consultant, Modern Workplace Technology Consulting
BDO
Toronto, ON · Oakville, ON
- Full-time
Responsible for leading workshops to gain insights into end user and customer needs
Added 3 months ago
PowerApps / Power BI Developer
R W Tomlinson
Ottawa, Ontario
Provide technical support, documentation, and end-user training.
Added 3 months ago
Product Manager - Fixtures
MAD Elevator Inc
Mississauga, Ontario
…- and lead it from market discovery all the way through to…
Added 1 month ago
EE
Quality Assurance Specialist
Enerva Energy Solutions
Calgary, AB
- $55,000 to $70,000 CAD / year
- Full-time
…You're writing one. Much of what we build produces numbers that end up in front of utilities, government agencies, and program participants: energy savings, emissions reductions, incentive…
Added 1 month ago
X
Senior Product Manager - Payments & APIs
Xero
Vancouver, BC
- Full-time
Your impact will be measured through customer, operational and commercial outcomes - including automation and straight-through processing rates, bill payment adoption and volume, activation…
Added 1 month ago
PG
Senior RPA Engineer
Peoples Group
Vancouver, BC · Toronto, ON · AB
- Full-time
You are a senior software engineer who happens to specialize in automation, not a developer who just builds bots. You thrive in environments that require both technical mastery and…
Added 1 month ago
MO
Quality Assurance Analyst
Meridian OneCap Credit Corp.
Toronto, ON
- $52,000 to $78,000 CAD / year
- Full-time
…efficiently and gives your company a competitive edge. And for the end user, we can help you to preserve working capital in your business, while benefiting now from the use of the…
Added 6 months ago
HA
Chief of Staff to the Managing Director of AI
Human Agency
Toronto, Ontario
- Full-time
Design end-to-end processes that embed AI tools (LLMs, automation platforms, knowledge assistants) into client workflows and internal operations
Added 1 month ago
IB
QA Automation Lead
Invisia BPO
NB · Chiasson Office, NB
- Full-time
Write and own automation across API, UI, and end-to-end test layers
Added 1 month ago
Director, Rapid Execution Delivery (RED)
Government of Alberta
Edmonton, AB
Measuring performance and value realization, tracking cycle time, throughput, quality, user satisfaction and operational impact, and using evidence to continuously improve delivery models…
Added 1 month ago
F
Senior QA Analyst
Financeit
Remote, Canada
- Full-time
- Remote
Collaborate with developer-in-test to design, implement and maintain automation test scripts.
Added 1 month ago
FA
Senior Software Engineer
Fastbreak AI
Remote, Canada
- Full-time
- Remote
…gets built, how it gets built, and why, then own that decision end-to-end. At Fastbreak AI, engineering isn't downstream of product; it's at the table shaping it. This is a role for someone…

eBay

Lead Full Stack Engineer

Toronto, ON, Canada

Full-time

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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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