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Added 1 month ago
B
Professional Senior, Engineering, Data Engineer, Data Analytics
Bombardier
Dorval, QC
- Full-time
You have good knowledge of Python & SQL (SQL Server, Oracle, etc.) and software development;
Added 1 month ago
TU
Postdoctoral Research Fellow
The University of British Columbia
Vancouver, BC
- Full-time
…and the fellow will join a team composed of data scientists, software engineers, and medical trainees. This position is anticipated to be partly funded through a Mitacs Elevate…
Added 2 months ago
Technical Lead / Senior Developer - Software Development
EY
Saskatoon, SK · Toronto, ON · Edmonton, AB · Vancouver, BC · Victoria, BC · Winnipeg, MB · Dieppe, NB · Saint John, NB · St. John's, NL · Halifax, NS · London, ON · Ottawa, ON · AB · ON · Waterloo, ON · Calgary, AB
…social wellbeing. Our extensive benefits include comprehensive medical, dental, and prescription drug coverage, as well as mental health benefits, a robust Employee Assistance Program and…
Added 1 month ago
Manager, Marketing Analytics
OpenTable
Toronto, ON
Hands-on experience with statistical programming languages such as Python or R.
Added 1 month ago
UO
Postdoctoral Research Fellow
University of British Columbia
Vancouver, BC · PHSA | BC Cancer – Vancouver (BCCAN)
- Full-time
…and the fellow will join a team composed of data scientists, software engineers, and medical trainees. This position is anticipated to be partly funded through a Mitacs Elevate…
Added 1 month ago
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Sr. Software Engineer - Fullstack
eBay
Toronto, ON
- Full-time
Experience using AI-assisted software development tools to improve developer productivity, with the ability to review and understand AI-generated code.
Added 1 month ago
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Project Manager
LTM
Mississauga, ON
- Full-time
…The candidate will manage crossfunctional teams consisting of Python developers Angular developers DevOps engineers AIML engineers architects and business…
Added 1 month ago
A
Technical Marketing Specialist (1 year contract)
AMD
Markham, ON
- $63,440 to $95,160 USD / year
- Full-time
Must have experience with Python and relevant libraries/frameworks such as NumPy, Pandas, PyTorch, or TensorFlow.
Added 1 month ago
RE
Développeur.se d’outils / Tools Developer (Apex Legends)
Respawn Entertainment
Montreal, QC
- Full-time
create groundbreaking games with some of the best developer talent in the industry.
Added 1 month ago
Senior Software Engineer II, KYC
Carta
Toronto, ON · Waterloo, ON
…tools with a single system of record, Carta brings together the software, services, and legal infrastructure that founders use to manage equity, fund managers use to run administration and…
Added 1 month ago
Principal Software Developer
Open Text Corporation
Richmond Hill, ON
…to sustainable supply chains, support refugees, and enhance medical information access to save lives. You will engage in solving meaningful challenges within a motivated team, gaining…
Added 1 month ago
B
AI Software Senior Analyst
Bombardier
Pointe-Claire, QC
- Full-time
Insurance plans (Dental, medical, life insurance, disability, and more)
Added 1 month ago
C
NPI Test Engineer
Ciena
Montreal, QC
- Full-time
Strong knowledge of software language like Python, C, C# etc…
Added 1 month ago
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Junior AI Developer
Ericsson
Ottawa, ON
- Full-time
…verification efficiency. We are looking for a passionate Junior AI Developer who wants to apply AI and software development skills to real-world engineering challenges while learning from…
Added 1 month ago
C
NPI Test Engineer
Ciena
Montreal, QC
- Full-time
Strong knowledge of software language like Python, C, C# etc…
Added 1 month ago
S
Data Engineer - Capital Markets
Synechron
Mississauga, ON
- $110,000 to $120,000 USD / year
- Full-time
…Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development…
Added 1 month ago
B
Manager - Commercial Operations & Analytics
Beghou
ON · Durham, ON
- Full-time
Coding skills (SAS, Python, SQL, etc.) and experience working with data visualization software such as Tableau or Power BI.
Added 1 month ago
GT
Senior QA Automation Engineer
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $90 to $100 CAD / hour
- Contract
…application workflows using tools such as Selenium, PyTest, Python, and related automation…
Added 1 month ago
S
QA Automation Engineer with AI
Synechron
Calgary, AB
- $75,000 to $85,000 CAD / year
- Full-time
…Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development…
Added 1 month ago
E
Associate Verification Engineer
ecobee
ON · Ontario, Canada
- Full-time
…RF design, digital logic, avionics, test fixtures, embedded software development, PCB layout and power electronics. They aim to bring their wide experience to the cross-functional squads…
Added 1 month ago
GP
Associate Verification Engineer
Generac Power Systems
Toronto, ON · Canada - Toronto
- Full-time
…RF design, digital logic, avionics, test fixtures, embedded software development, PCB layout and power electronics. They aim to bring their wide experience to the cross-functional squads…
Added 1 month ago
ICQA Data Analyst, YEG2
Amazon
AB · Parkland County, Alberta
- Experience with data scripting languages (e.g., SQL, Python, R, or equivalent) or statistical/mathematical software (e.g., R, SAS, Matlab, or equivalent)
Added 1 month ago
C
Staff Software Engineer, Fullstack
Cloudjobs
Toronto, ON
- Full-time
We’re looking for a Staff Software Engineer, Fullstack to join our Reverse ETL product engineering team.
Added 1 month ago
Machine Learning Engineer
ALS
Montreal, QC · CAN - QC - Montreal (Rue Saint-Nicolas)
Excellente maîtrise de Python pour le traitement des données (pandas, NumPy), l’analyse statistique, la visualisation (matplotlib, seaborn) et l’apprentissage automatique (p. ex., PyTorch).
Added 1 month ago
M
Search Engineer
Mendable
Toronto, ON
- $235,000 to $260,000 USD / year
- Full-time
Experience: 3+ years building browser automation, web infrastructure, or systems-level software

eBay

Sr. Software Engineer - Fullstack

Toronto, ON, Canada

C$118,000 - C$157,500 · Full-time

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Applications open in a new tab.

Job details

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

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 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

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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