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Added 25 days ago
A
Senior Software Developer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
Solid understanding of full stack development methodologies and modern software architecture.
Added 5 months ago
H
Java Consultant
Highspring
Montreal, Quebec
- Contract
We're always looking to connect with talented Full Stack Consultants who are passionate about building scalable, modern applications.
Added 1 month ago
R
Software Development Engineer II
Remitly
Burnaby, BC
- Full-time
Architect and implement solutions for complex, ambiguous problems using full-stack technologies (TypeScript, React, Java/Kotlin, Go).
Added 25 days ago
AC
Ingénieur·eure logiciel·le senior – DevOps & Full Stack (Python/Java)
ALTEN Canada
Montreal, QC
- Full-time
Ingénieure·eur logiciel·le senior – DevOps & Full Stack (Python/Java)
Added 5 months ago
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Senior React Native Developer
Ndax
Calgary, Alberta
- Full-time
We are looking for a Senior React Developer to produce scalable software solutions. You'll be part of a cross-functional team that's responsible for the full software development life…
Added 2 months ago
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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 25 days 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 26 days 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 2 months ago
C
Senior Software Developer (Burnaby)
Clio
Burnaby, BC · Vancouver, BC
- Full-time
Work in an agile environment with our team of full stack developers across a variety of projects
Added 2 months ago
PC
Développeur Java Agentique IA / Agentic AI Java Developer
Portage CyberTech
Montreal, Quebec
- Full-time
Portage CyberTech is looking for a passionate Java Full Stack Developer with a strong R&D mindset and solid knowledge of Public Key Infrastructure (PKI), working on modern…
Added 26 days 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 26 days 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 25 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 26 days 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
Software Developer Intern
DRW
Montreal, QC
As a Software Developer Intern, you will join one of our development teams supporting our network development initiatives or trading businesses. Depending on the team you join, you will…
Added 26 days ago
M
Technical Architect (SG-Based, relocation provided)
Mav3rik
Toronto, ON
- Full-time
𝗙𝘂𝗹𝗹 𝗥𝗲𝗹𝗼𝗰𝗮𝘁𝗶𝗼𝗻: We handle your Visa, Flights, and Initial Housing.
Added 26 days ago
R&
IT - Software Developer IV - Java
Robertson & Company Ltd.
Toronto, ON
- Contract
Experience working as a Full Stack Developer in large-scale enterprise environments
Added 26 days ago
TC
Automation QE
Tata Consultancy Services
Halifax, NS
- $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 26 days ago
EC
Senior Software Engineer - Full Stack
Emburse Chrome River
Toronto, ON
- Full-time
Minimum of 6 years’ professional experience in Java development
Added 26 days ago
EC
Software Engineer II
Emburse Chrome River
Toronto, ON
- Full-time
Familiarity with the full stack of web development and proven history of web application development
Added 26 days ago
Backend Java Lead Developer, Vice President
Citi
Mississauga, ON
Frontend Familiarity: Experience with modern frontend frameworks like React or Angular is highly desirable to facilitate full-stack collaboration.
Added 26 days ago
Machine Learning Developer / Developpeur d'apprentissage automatique
SAP
Montreal, QC
We are seeking a motivated and curious Machine Learning developer to help build intelligent systems that power large-scale AI and large language model (LLM) capabilities. In this role, you…
Added 26 days ago
T
AI/Data Application Developer, TD Securities
TD
Toronto, ON
- Full-time
Exposure to Java, React, API development, or full-stack application development.
Added 26 days 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 26 days ago
C
Java Applications Development Lead, Vice President
Citi
Mississauga, ON
- Full-time
…modernization of our Treasury and Money Market platforms using Java, Spring Boot, and MongoDB in a cloud-native…

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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