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Added 1 month ago
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C ++ Developer
Sapsol Technologies Inc
Remote, Canada
- Remote
We are seeking a highly experienced Senior Systems Engineer - C/C++ Full Stack Developer to lead a strategic modernization initiative for a mission-critical Store Management System that has…
Added 1 month ago
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Staff Software Engineer
VGS
Canada
- Full-time
…consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems that demand…
Added 1 month ago
VC
Ingénieur(e) de données principal(e) | Senior Data Engineer
Valsoft Corporation
Montreal, QC · Saint-Laurent, Quebec
- Full-time
As a Senior Data Engineer, you'll design, build and operate the data platform behind Valpay's analytics, reporting, product development and day-to-day operational decisions. Payments data…
Added 1 month ago
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Senior Photonics Engineer - Experimental Nonlinear Optics
Xanadu
Toronto, ON
- Full-time
Programming: Proficiency in Python for data acquisition/analysis and experience with version control.
Added 1 month ago
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Applied Scientist II, Alexa Daily Essentials Science and Analytics
Amazon
Vancouver, BC
- Full-time
…to inform an architecture decision. Later, you pair with an engineer to add a new capability to an agent's tool registry, then validate it doesn't degrade downstream quality. You end the…
Added 1 month ago
AM
Fuse Validation Lead
Advanced Micro Devices, Inc
Markham, ON
- Full-time
We are seeking an engineer to join our team that will thrive in a fast-paced work environment, using effective communication, problem-solving, and prioritization skills. Individuals that…
Added 1 month ago
Q
FY27 Intern - Firmware/Embedded Software Engineering Internship - Canada (12 or 16 months)
Qualcomm
Toronto, ON
- Full-time
…running on RISC-V-based controllers, customer-facing C and Python SDKs, lab tools and GUIs for interactive debug, and the build, regression, and continuous integration infrastructure that…
Added 1 month ago
Q
FY27 Intern - MSIP Design Methodology Engineering Internship - Canada (16 months)
Qualcomm
Toronto, ON
- Full-time
As a Design Methodology Engineer, you will be at the forefront of innovation – building optimized tools to help execution teams get their products out the door. You will be working with…
Added 1 month ago
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Responsable - Plateforme IA (Lead AI Platform Engineer)
CGI
Montreal, QC
- Full-time
In this context, the PSC is creating a new Lead AI Platform Engineer position. The role will be responsible for structuring and evolving our AI capabilities, both on-premises and in the…
Added 1 month ago
Q
FY27 Intern - Physical Mixed Layout Engineering Internship - Canada (16 months)
Qualcomm
Toronto, ON
- Full-time
As a Physical Mixed Layout Engineer Intern, you will have the unique opportunity to work alongside our experienced design team on the layout of complex integrated circuits. You will be…
Added 1 month ago
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Senior Software Engineer II, KYC
Carta
Toronto, ON
- Full-time
As a Senior Software Engineer II, KYC, You Will Lead Technically Complex Projects And Serve As a Multiplier For Your Team. You’ll Work To
Added 1 month ago
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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
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Senior Solutions Engineer
Suger
Vancouver, BC
- $120,000 to $160,000 CAD / year
- Full-time
We’re hiring a Senior Software Engineer - Solutions to work directly at the intersection of product engineering and customer integrations.
Added 1 month ago
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Software Engineer
Picovoice
Vancouver, BC
- $75,000 to $150,000 CAD / year
- Full-time
Added 1 month ago
CI
Founding Engineer (AI & Agentic Systems)
Codexa Intelligence
Remote, Canada
- $80,000 to $110,000 USD / year
- Full-time
- Remote
We're looking to hire a founding engineer to own the intelligence layer of the product. This person lives entirely on the agentic and AI side of Codexa: the orchestration that decides what…
Added 1 month ago
PG
AI Platform Engineer
Pacer Group
Halifax, NS
- $55 to $60 CAD / hour
- Contract
Job Title: AI Platform Engineer with DevOps Experience
Added 1 month ago
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Senior Cloud Security Engineer
Pixieset
Vancouver, BC
- Full-time
We’re hiring a Senior Cloud Security Engineer to strengthen and lead cloud security across Pixieset’s AWS, Cloudflare, and Kubernetes environments.
Added 1 month ago
CP
Tech Lead | Canada
Cuesta Partners
Remote, Canada
- $140,000 to $275,000 CAD / year
- Full-time
- Remote
Proven 8-10 years experience as a Data Engineer or similar role, with a strong background in designing and implementing data solutions.
Added 1 month ago
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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 1 month ago
Senior Software Engineer II, KYC
Carta
Toronto, ON · Waterloo, ON
As a Senior Software Engineer II, KYC, you will lead technically complex projects and serve as a multiplier for your team. You’ll work to:
Added 1 month ago
C
Software Engineer, Security
Cohere
Remote, Canada
- Full-time
- Remote
…enterprise security? Cohere's North team is seeking a Software Engineer with a focus on security to join our mission and make a significant impact. This isn't a review-and-advise role,…
Added 1 month ago
Product Engineer Intern 4 or 8 months - Winter 2027
Dayforce
Toronto, ON
We are looking for a Product Engineer Intern with an interest in visualizing and optimizing large-scale data with an amazing UI/UX. The successful candidate will collaborate on the design,…
Added 1 month ago
PX
Senior Machine Learning Engineer –AI & Agentic Systems
Project X
Toronto, ON
- Full-time
Advanced Python development with strong production software-engineering practices (testing, CI/CD, Git)
Added 1 month ago
EI
Manager - Marketing Analytics
Enercare Inc.
Markham, ON
- Full-time
Proficiency in Python for data analysis, automation, and advanced analytical modeling.
Added 1 month ago
SS
Staff AI Engineer
Safe Software
Remote, Canada
- $147,000 to $167,000 CAD / year
- Full-time
- Remote
Safe Software is looking for a Staff AI Engineer to design, build, and deploy production-grade AI systems across the organization.

eBay

Sr. Software Engineer - Fullstack

Toronto, ON, Canada

C$118,000 - C$157,500 · Full-time

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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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