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Added 5 months ago
C
Python Full Stack Developer (contract)
Capgemini
Montreal, QC
- Contract
We are seeking an accomplished Full Stack Developer with expertise in Generative AI (GenAI) technologies to join our team and drive key initiatives forward.
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Added 1 month ago
S
Senior Design/Verification Engineer
Semtech
Burlington, ON · Ottawa, ON · CAN - Burlington, ON
- Full-time
Experience with related programming/scripting languages (i.e., Python, TCL, Perl, C.)
Added 1 month ago
Q
Firmware Engineer, Staff
Qualcomm
Toronto, ON
- Full-time
2+ years of work experience with Programming Language such as C, C++, Java, Python, etc.
Added 2 months ago
Data Science Chief Expert, CX
SAP
Montreal, QC
Strong Python and SQL skills, including production-grade Python development and experience with ML libraries such as PyTorch, TensorFlow, and scikit-learn.
Added 1 month ago
R
Director, DevOps Insights
RBC
Toronto, ON
- Full-time
…What is AI adoption costing us, what is it returning, where is developer productivity improving, and where is it stuck? You'll own the Tokenomics model that forecasts AI spend across…
Added 1 month ago
T
AI/ML Engineer I
TD
Toronto, ON
- Full-time
Programming skills with experience in API and Webhook development using Python, Git Actions and Terraform
Added 1 month ago
IT Network Specialist
IREN
Vancouver, BC
Scripting/automation against network platform APIs (Python, PowerShell)
Added 1 month ago
SC
Sr. Mixed Signal ASIC Systems Engineer
SiTime Corporation
Ottawa, ON
- $96,190 to $132,270 CAD / year
- Full-time
Use python scripts to create automated tests using available lab equipment to verify the functionality of devices
Added 1 month ago
Actuarial Analyst, Reserving
Aviva
Markham, ON
Analyze the adequacy of claim reserve levels using both standard actuarial methods and advanced reserving models including machine learning techniques using Python.
Added 1 month ago
Senior Actuarial Analyst, Reserving
Aviva
Markham, ON
Analyze the adequacy of claim reserve levels using both standard actuarial methods and advanced reserving models including machine learning techniques using Python.
Added 1 month ago
F
Senior Security Operations Analyst, Detection & Response
Financeit
Remote, Canada
- Full-time
- Remote
Strong query and scripting skills (Python preferred), with experience working directly with REST APIs
Added 1 month ago
RB
Generative AI Data Scientist & ML Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Proficient in Python and libraries such as NumPy, Pandas, Matplotlib, OpenCV, Scikit-Learn, TensorFlow, Keras, PyTorch, and PySpark.
Added 1 month ago
E
Senior Software Engineer, AI Platform
eBay
Toronto, ON
- Full-time
…operates backend services that power intelligent workflows and developer-facing capabilities, enabling product teams across eBay to move faster while maintaining high quality and…
Added 1 month ago
Software Development Engineer Intern, ROBOTICS - 2027
Amazon
Toronto, ON
- Experience with at least one general-purpose programming language such as Java, Python, C++, C#, Go, Rust, or TypeScript
Added 1 month ago
RB
Principal Data Science and AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Added 1 month ago
DS
Ingénieur Analytique / Analytics Engineer
Data Sciences
Montreal, QC
- Full-time
Added 1 month ago
E
Security Software Developer
Evertz
Markham, ON
- Full-time
We’re looking for a Security Software Developer to join the networking device development team behind Evertz IP switch fabric products, including the EXE and NATX, and Evertz SDI router…
Added 1 month ago
D
Analyst, Credit Risk Models
Deloitte
Toronto, ON
- Full-time
…model performs under stress, develop a benchmark model using Python or R by leveraging statistics, machine learning and artificial intelligence, or translate complex analyses into clear…
Added 1 month ago
EN
Senior Full Stack Developer – Generative AI & Autonomous Agents - Toronto, Canada - Hybrid (10038)
Extreme Networks
Toronto, ON
- Full-time
We are seeking an experienced Senior Full Stack Developer with deep expertise in backend systems (Java, Python, microservices) and modern UI frameworks (Angular, React) to join our…
Added 1 month ago
D
Manager, P&C Insurance Model Risk - Financial Engineering & Modelling
Deloitte
Toronto, ON
- Full-time
Strong technical skills including ResQ, Excel, VBA, SAS, Emblem, and Python. Knowledge of programming is an asset
Added 1 month ago
RF
UX Specialist
Rodeo FX
Montreal, QC
- Full-time
Added 1 month ago
Applied Data Scientist - Contract
Arcurve Inc.
Calgary, AB
Expert-level Python and experience with the modern machine learning stack, including scikit-learn, PyTorch, and statsmodels or equivalent libraries.
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Added 1 month ago
A
Director of AI
APPLY
Toronto, ON
- Full-time
Hands-on proficiency in Python and experience with modern application, data, and AI engineering frameworks.

eBay

Senior Software Engineer, AI Platform

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: 5+ years of professional software engineering experience, including building and operating backend systems in production and delivering features or services end-to-end.
Posting language: English
Posted: Sep 9, 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 and the role:

This role sits within eBay’s engineering organization and is focused on building a next-generation AI-powered platform that transforms how software is designed, developed, and delivered at scale. Our Platform Engineering team builds and operates backend services that power intelligent workflows and developer-facing capabilities, enabling product teams across eBay to move faster while maintaining high quality and performance. As a Senior Software Engineer – Backend, you will architect and develop core platform services, solving complex technical problems and shaping scalable solutions for critical platform features. You will partner closely with engineers, product managers, and cross-functional teams, while mentoring junior engineers and contributing to an inclusive, learning-focused culture that values ownership, thoughtful collaboration, and sustainable work/life balance.

What you will accomplish:

Design, build, and evolve scalable backend services and APIs that power intelligent workflows and developer-facing capabilities, directly improving developer productivity and delivery speed.
Drive system architecture and technical decisions with a focus on performance, reliability, and maintainability, simplifying systems and reducing technical complexity where possible.
Own end-to-end delivery of features and services from design through production, upholding high standards for code quality, testing, and operational readiness.
Improve system performance, scalability, and efficiency by proactively identifying bottlenecks, strengthening observability, and effectively troubleshooting production issues.
Collaborate closely with product, data, and partner engineering teams to deliver impactful solutions, clearly communicating technical trade-offs, risks, and progress.
Mentor and support junior engineers, sharing knowledge, reinforcing engineering guidelines, and continuously adopting new technologies and approaches to raise the bar for the team.

What you will bring:

5+ years of professional software engineering experience, including building and operating backend systems in production and delivering features or services end-to-end.
Proficiency in one or more backend programming languages such as Java, Go, Python, or similar, with a solid understanding of distributed systems, microservices, and service-based architectures.
Hands-on experience with databases (SQL and/or NoSQL), APIs, messaging systems, and familiarity with cloud platforms (such as AWS, GCP, or Azure) and container technologies.
Strong system design, debugging, and problem-solving skills, with awareness of performance, reliability, and operational trade-offs in real-world environments.
Effective collaboration and communication skills, with experience working closely with product managers and cross-functional partners and explaining technical concepts to diverse audiences.
Experience with platform or developer tooling, AI/ML or workflow-based systems, and/or observability, monitoring, and production operations is a plus; role location and hybrid expectations to align with eBay’s local site guidelines.

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 evolve scalable backend services and APIs to power intelligent workflows and improve developer productivity. Drive system architecture decisions while mentoring junior engineers and ensuring high standards for code quality and operational readiness.

Requirements

Requires 5+ years of professional software engineering experience with proficiency in backend languages like Java, Go, or Python. Candidates must have strong system design skills and experience operating distributed systems in production environments.

Skills

Software engineering
Backend development
Java
Go
Python
Distributed systems
Microservices
System design
API development
Cloud platforms
AWS
GCP
Azure
Observability
Mentoring
Technical architecture

Benefits

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

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
AI Platform
Backend
Java
Go
Python
Distributed Systems
Microservices
API
SQL
NoSQL
AWS
GCP
Azure
Containerization
System Design
Observability
Monitoring
Workflow Automation
Developer Tooling
Scalability
Reliability
Performance Optimization
Mentorship
Ecommerce
Cloud Computing
Technical Leadership
Production Operations

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