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Added 1 month ago
Senior, Cloud Engineering
Scotiabank
Toronto, ON
Experience in developing with a modern full-stack technology stack.
Added 1 month ago
C
Java Full Stack Developer - VP
Citi
Mississauga, ON
- Full-time
Experience in full stack application development with strong expertise in Python orJava
Added 1 month ago
C
Python Full Stack Developer - VP
Citi
Mississauga, ON
- Full-time
Experience in full stack application development with strong expertise in Python and Java
Added 28 days ago
TC
Senior CMS Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
…is enabling its clients to transform themselves across the full AI stack, from infrastructure to…
Added 4 months ago
M
Manager, Software Engineering - Identity Platform
Marqeta
Remote, Canada
- Full-time
- Remote
As Marqeta's Manager, Software Engineering within our Risk, Fraud and Disputes pod, you will lead the design, development, and execution of our Identity Platform. You will be responsible…
Added 4 months ago
C
Full Stack Java Developer Lead
CGI
Toronto, Ontario
- Full-time
We are looking for a Senior Full Stack Developer with deep expertise in Java, cloud technologies, and AI, along with strong experience in the Property & Casualty (P&C) insurance domain. You…
Added 4 months ago
S&
Lead Full Stack Developer
Saatchi & Saatchi Canada
Canada
- Full-time
Saatchi & Saatchi is seeking a Lead Full Stack Developer for an innovative AI platform initiative.
Added 5 months ago
A
AI Full Stack Developer
Avanade
Toronto, Ontario
- Full-time
We are seeking a talented senior full stack developers or team leads to join our Canadian Apps and Infra team. This AI-enabled role involves leading a team to design, develop, and maintain…
Added 29 days ago
JG
Sr. Java Developer (FULL STACK)
J&M Group
Calgary, AB
- Contract
Lead the design and implementation of scalable microservices architecture to enhance system performance and reliability
Added 1 month ago
C
Gen AI Python Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
Knowledge of modern frontend frameworks (e.g., React, Angular, Vue.js) for full-stack development capabilities.
Added 29 days ago
TI
Full Stack Java Developer
Themesoft Inc.
Calgary, AB
- Contract
Lead the design and implementation of scalable microservices architecture to enhance system performance and reliability
Added 2 months ago
A
Senior Solutions Consultant - Open Data Platform
Acceldata
Kitchener, ON
- Full-time
Comfort operating within the platform's runtime stack (Java and Python) for configuration and troubleshooting.
Added 29 days ago
LM
DevSecOps Developer
Lockheed Martin
Halifax, NS
- Full-time
Added 4 months ago
L
Salesforce Technical Architect
LTM
Ontario · Ontario, Canada
- $124,000 to $156,000 USD / year
- Full-time
Experience with Full Stack ecosystems Java NETNodejs React Angular
Added 2 months ago
H
Engineering Lead
HSBC
Toronto, ON
- Full-time
Strong full-stack engineering and devOps experience across build, test, release and run, including Continuous Delivery practice
Added 2 months ago
Q
Senior Software Developer
Quantiphi
Canada
- Full-time
…scalable, high-performance web applications using a modern Java-based stack. This role is ideal for someone who thrives in a full-stack environment, enjoys solving complex technical…
Added 29 days ago
P
AI Engineer - Canada
Pulsora
Remote, Canada
- $60,000 to $70,000 CAD / year
- Full-time
- Remote
Full-Stack Development: Own end-to-end implementation from frontend to the backend.
Added 2 months ago
S
Senior Full Stack Engineer, App Runtime
Snowflake
Toronto, Ontario
- $245,250 to $295,250 CAD / year
- Full-time
Build the AI-assisted, agentic development experiences that power App Runtime, spanning the full tech stack - React, Go, Python, and Java
Added 1 month ago
RB
Full Stack Developer, AI
Royal Bank of Canada
Toronto, ON
- Full-time
Develop and maintain full-stack solutions across a diverse tech stack (Java, Python, Node.js, Angular, Spring Boot), contributing to both front-end and back-end features while continuously…
Added 1 month ago
E
Lead Full Stack Engineer
eBay
Toronto, ON
- Full-time
…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…
Added 29 days ago
T
Manager, Web & Mobile Delivery (Bilingual)
TVO
Toronto, ON
- Full-time
3+ years leading full-stack development teams (10+ developers) in an agile environment, with demonstrated people leadership (coaching, feedback, performance management) and ownership of…
Added 1 month ago
M
Technical Architect (SG-Based, relocation provided)
Mav3rik
Toronto, ON
- Full-time
𝗙𝘂𝗹𝗹 𝗥𝗲𝗹𝗼𝗰𝗮𝘁𝗶𝗼𝗻: We handle your Visa, Flights, and Initial Housing.
Added 1 month ago
EC
Senior Software Engineer - Full Stack
Emburse Chrome River
Toronto, ON
- Full-time
6+ years of software development experience, preferably with Project Lead experience
Added 1 month ago
T
Senior Full Stack Developer (CRM), TD Securities
TD
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Developer to drive the evolution of our strategic CRM platform and related applications. This role will focus on building and enhancing business-critical…
Added 1 month ago
C
Java Applications Development Lead, Vice President
Citi
Mississauga, ON
- Full-time
The overall objective of this role is to lead applications systems analysis, architecture, and programming activities, driving the modernization of our Treasury and Money Market platforms…

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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