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Added 1 month ago
Sr. Staff AI Full Stack Engineer
Synopsys Inc
Mississauga, ON
Full-time
Advanced proficiency in Python programming for both backend and full stack development.
Added 2 days ago
Senior Security Operations Specialist
CDW
Mississauga, ON
Full-time
Cortex: XDR Engineer or XSIAM Engineer; IBM QRadar Secuity - Certified Administrator, Deployment Professional; SANS: GCIA, GCIH, GSOC; Splunk, Crowdstrike Falcon - CCFA, CCIS, CCFH, CCCS,…
Added 1 day ago
Software Development Manager
EDealer
Canada
Full-time
This role exists because the team is senior and self-directed enough not to need a full-time coordinator, and because we would rather its manager stay close to the work than drift away from…
Added 2 days ago
Sr. Software Dev Engineer, Amazon Customer Service
Amazon
Toronto, ON
- Own the full stack, from Lambda and Fargate-based compute through React frontends.
Added 2 days ago
Software Development Manager
EBlock Inc.
Canada
$160,000 to $180,000 CAD / year
Full-time
This role exists because the team is senior and self-directed enough not to need a full-time coordinator, and because we would rather its manager stay close to the work than drift away from…
Added 2 days ago
Senior Security Operations Specialist
CDW
Mississauga, ON
Full-time
Cortex: XDR Engineer or XSIAM Engineer; IBM QRadar Secuity - Certified Administrator, Deployment Professional; SANS: GCIA, GCIH, GSOC; Splunk, Crowdstrike Falcon - CCFA, CCIS, CCFH, CCCS,…
Added 2 days ago
Staff Software Engineer
Affinity
Remote, Canada
Full-time · Remote
10+ years building and shipping production software as a full-stack engineer, with a track record of technical leadership on ambiguous, high-stakes projects
Added 3 days ago
Sr. Software Engineer - Fullstack
eBay
Toronto, ON
Full-time
We are looking for a Senior Software Engineer – Full Stack with 6+ years of professional software development experience to help build a new, scalable authentication platform.
Added 3 days ago
Sr. Software Engineer (Python, AWS Lambda)
Apptoza Inc.
Toronto, ON
Contract
Role Descriptions: Role: Sr. Software Engineer - Contact Centre Innovation & GenAIThis role offers an exciting opportunity to shape the future of Customers contact center technology and…
Added 4 days ago
Sr. Software Engineer
DNV
Toronto, ON
Full-time
The Senior Software Engineer designs, builds, tests, deploys, and supports scalable software across a modern full-stack, multi-cloud environment. The primary application stack includes…
Added 4 days ago
Tech Consultant - Senior Full-Stack Engineer
NTT DATA North America
Vancouver, BC
Other
NTT Data is looking for a SR. Full- Stack Engineer to join their team in Vancouver, British Columbia.
Added 5 days ago
Sr. Software Engineer, AVP II
State Street
Toronto, ON
Full-time
…largest participants in the industry. The role requires a strong full-stack engineer who can work across rich web functionality, backend services, automated testing, performance…
Added 5 days ago
Sr. Software Engineer, AVP II
State Street
Toronto, ON
Full-time
…largest participants in the industry. The role requires a strong full-stack engineer who can work across rich web functionality, backend services, automated testing, performance…
Added 5 days ago
Software Engineer - Python, AWS Lambda, AI
Tata Consultancy Services
Toronto, ON
$90,000 to $110,000 CAD / year
Full-time
We are looking for an experienced and high-performing Full-Stack Software Engineer.
Added 5 days ago
Sr Software Quality Engineer (AI Focused)
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 6 days ago
Sr. Full Stack Software Engineer
Blackpoint Cyber
Remote, Canada
$131,400 to $175,200 CAD / year
Full-time · Remote
The Product Engineering team is growing a small tiger team and is seeking an experienced Senior Full Stack Software Engineer who thrives in a fast-paced, remote environment. In this role,…
Added 24 days ago
Senior Full Stack Engineer (Application + Data)
Article
Vancouver, BC
$165,000 to $175,000 CAD / year
Full-time
…meaningful problems. This is where you come in. As a Senior Software Engineer, Full Stack, you'll design, build, deploy, and operate software solutions across our entire technology stack to…
Added 17 days ago
Senior Security Consultant – Managed Services
CDW
Mississauga, ON
Full-time
…Managed Detection and Response service on Microsoft technology stack, primarily Sentinel and Defender, and act as a subject matter expert. In addition, the Sr Consultant is required to…
Added 19 days ago
Sr Full Stack Engineer
Bevertec
Toronto, ON
$90 to $95 CAD / hour
Contract
Added 19 days ago
Sr. Associate, Front End Developer
Appnovation
Vancouver, BC
Full-time
Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact…
Added 23 days ago
MERN Stack Developer
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
Full-time
We are seeking a Senior Full Stack Software Engineer to help drive the roadmap for our Group Benefits Experience assets, our primary digital gateway for Clients and Members managing their…
Added 24 days ago
Senior Software Development Engineer
BeyondTrust
Canada
Full-time
BeyondTrust is seeking a Sr Software Development Engineer to help build the NHI Governance domain within our Pathfinder products. You will design, build, and operate the full-stack services…
Added 24 days ago
Sr. Software Development Engineer / Principal Software Development Engineer
Workday
Toronto, ON
Full-time
…cost governance, exploring hosting open-source LLMs in our stack, evaluating a potential rewrite of the service in a different language for performance gains, and keeping pace with the…
Added 24 days ago
Sr Full Stack Software Engineer
Patch Tech Staffing
Toronto, ON · Greater Toronto Area, Canada
Contract
Our client is seeking a Senior Full Stack Software Engineer with strong expertise in building scalable APIs, modern web applications, and cloud-native solutions. This role requires hands-on…
Added 24 days ago
Sr. Software Engineer - AI Transformation Hub
Robert Walters
Toronto, ON
$150,000 to $220,000 CAD / year
Full-time
We are seeking a Senior Full Stack Software Engineer to join a growing AI Transformation Hub in Toronto. This is a hands-on engineering role for a strong full stack developer with a…

eBay

Sr. Software Engineer - Fullstack

Toronto, ON, Canada

Pay: C$118,000 - C$157,500
Job type: Full-time
Experience: 6+ years of professional software engineering experience building production applications.
Posting language: English
Posted: Sep 17, 2026

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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 Role

We are looking for a Senior Software Engineer – Full Stack with 6+ years of professional software development experience to help build a new, scalable authentication platform.

You will work across the full stack, with a stronger focus on frontend development, while contributing to backend services, system design, architecture, deployment, and production support. This is an opportunity to join a new team and help shape a greenfield product from the ground up.

About the Team

The Authenticity Guarantee program helps build trust in high-value transactions by having eligible items inspected for authenticity and quality before reaching the buyer.

Our team is building Authentication as a Service, evolving these capabilities into a scalable and reusable platform that can support experiences beyond the core eBay marketplace, starting with Depop.

This is a new team working on a 0→1 product, with significant opportunities to influence architecture, technology choices, and how the platform is built.

Responsibilities

Design, build, test, deploy, and maintain full-stack applications, with a focus on frontend development.
Develop modern web experiences using React, Angular, or similar frontend frameworks.
Design and build backend services and RESTful APIs.
Design and work with relational databases such as PostgreSQL or MySQL.
Build and deploy cloud-native applications using GCP, AWS, or Azure.
Own complex features end-to-end, from technical design and implementation through deployment and production support.
Contribute to system design and architecture, evaluating technical approaches and trade-offs as the platform evolves.
Build high-quality, maintainable software and contribute to strong testing, code review, CI/CD, and production practices.
Collaborate closely with product, UX, QE, and other engineering teams to drive technical decisions and delivery.
Use AI-assisted development tools to improve engineering productivity while maintaining strong code quality and review practices.
Evaluate technologies and frameworks and help establish engineering practices for the new platform.
Provide technical guidance and mentorship to other engineers as the team grows.

Minimum Qualifications

6+ years of professional software engineering experience building production applications.
Strong full-stack development experience, with significant hands-on frontend development.
Experience with a modern frontend framework such as React, Angular, Vue.js, or similar.
Experience designing and developing backend services and RESTful APIs.
Strong programming skills in a backend language such as Java, Kotlin, C#, Python, Go, or similar.
Experience designing and developing applications using relational databases such as PostgreSQL or MySQL.
Experience developing and deploying applications in a cloud environment such as GCP, AWS, or Azure.
Experience with CI/CD pipelines such as Jenkins, GitHub Actions, or similar.
Experience contributing to system design and architectural decisions, including evaluating technical trade-offs.
Experience independently owning technical problems from design through production.
Experience using AI-assisted software development tools to improve developer productivity, with the ability to review and understand AI-generated code.
Strong communication and collaboration skills in a cross-functional engineering environment.

Preferred Qualifications

Experience with Java and Spring Boot.
Experience with Google Cloud Platform (GCP).
Experience with Kafka or other event-driven technologies.
Experience with Elasticsearch or similar search technologies.
Experience with Kubernetes.
Experience developing native Android applications, ideally using Kotlin.
Experience with warehouse operations, shipping, logistics, authentication, or e-commerce.
Experience mentoring or providing technical guidance to other engineers.

Success In This Role

A successful Senior Full Stack Software Engineer will:

Deliver high-quality features with limited oversight.
Contribute effectively across frontend and backend development.
Own technical problems from design through production.
Make meaningful contributions to architecture and technology decisions.
Thrive in a greenfield environment where requirements and architecture are still evolving.
Use AI tools effectively to increase productivity without compromising engineering quality.
Help establish strong engineering practices as the team and platform grow.

Additional Details

The base pay range for this position is expected in the range below:

C$118,000 - C$157,500

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including RRSP eligibility, various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

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 [email protected]. 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

Design, build, and maintain full-stack applications with a focus on frontend development for a new authentication platform. Collaborate with cross-functional teams to drive technical decisions, architecture, and production support.

Requirements

Requires 6+ years of professional software engineering experience with strong proficiency in full-stack development and modern frontend frameworks. Candidates must have experience with backend services, relational databases, and cloud-native application deployment.

Skills

Fullstack development
Frontend development
React
Angular
Vue.js
RESTful APIs
PostgreSQL
MySQL
Java
Kotlin
Cloud computing
GCP
AWS
Azure
CI/CD
System design

Benefits

Medical benefits
Financial benefits
RRSP eligibility
Paid time off
Parental leave
Restricted stock units
Target bonus

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
Fullstack
Ecommerce
Authentication
React
Angular
Vue.js
Java
Kotlin
PostgreSQL
MySQL
GCP
AWS
Azure
RESTful APIs
CI/CD
Jenkins
GitHub Actions
Spring Boot
Kafka
Elasticsearch
Kubernetes
System Design
Cloud-native
AI-assisted development
Greenfield product
Scalable platform
Technical mentorship
Software development
Production support

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