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Added 6 months ago
CI
Senior Incident Response Analyst
Coalition, inc.
Canada
- Full-time
Coalition Incident Response (CIR) Australia is hiring a Senior Incident Response Analyst to lead high-impact digital forensics and incident response investigations for our insureds. You…
Added 3 months ago
DI
AI Engineering Lead
Definity Insurance Company
Toronto, Ontario
- Full-time
Collaborate with senior leadership, underwriting, claims and other business and product teams to align AI initiatives with overarching business goals. Translate complex business problems…
Added 1 month ago
C
Développeur Java
CGI
Drummondville, QC
- Full-time
CGI est à la recherche d’un(e) Développeur(se) Java Senior pour contribuer à la conception et à l’évolution de solutions critiques dédiées à la détection de fraude, à la lutte contre le…
Added 1 month ago
QP
Senior Cloud Systems Engineer
QuadReal Property Group
Toronto, ON
- Full-time
Competency with scripting across PowerShell (primarily), bash, and Python.
Added 1 month ago
QP
Senior Cloud Systems Engineer
QuadReal Property Group
Vancouver, BC
- Full-time
Competency with scripting across PowerShell (primarily), bash, and Python.
Added 6 months ago
P
Senior Software Engineer
PointClickCare
Mississauga, Ontario
- $142,000 to $158,000 CAD / year
- Full-time
Experience with AWS/Azure cloud services or equivalent
Added 1 month ago
OW
Oliver Wyman - Senior Lead AI Developer
Oliver Wyman
Montreal, QC
- Full-time
No two OW Quotient projects are the same. You’ll be working with varied and diverse teams to deliver unique and unprecedented products across industries. As a Senior Lead AI Developer, you…
Added 3 months ago
CF
Senior AI Engineer
CI Financial
Toronto, Ontario
- Full-time
CI Financial is seeking an experienced and technically strong Senior AI Engineer to join our Data, AI & Analytics (DNA) team. This role focuses on the applied use of Generative AI and…
Added 3 months ago
M
Senior Software Engineer
Morningstar
Toronto, Ontario
- Full-time
As a Senior Software Engineer, you will work closely with product owners, engineering teams, and technical leads on our next generation data feed platform. This role is primarily focused on…
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
Added 1 month ago
Lead Engineer - Data
ZS
Toronto, ON
The Data Engineering Lead is a senior technical professional responsible for designing, building, and optimizing scalable data architectures and processes to enable efficient data…
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
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
RB
Principal Data Science and AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
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
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
…technical leadership across multiple squads and domains, advise senior leadership on AI strategy and investment priorities, and be accountable for the measurable business impact of AI…
Added 1 month ago
A
Director of AI
APPLY
Toronto, ON
- Full-time
…AI-enabled products and platforms across client engagements. This senior, client-facing role combines AI and software engineering expertise with consulting judgment, product thinking, and…
Added 1 month ago
C(
Senior Software Engineer, Agentic Systems
CareLink (by Asepha)
Toronto, ON
- Full-time
…organizations, we’re scaling rapidly and seeking a talented, innovative Senior Software Engineer to join our growing team. As one of our early hires, you’ll play a critical role in shaping…
Added 1 month ago
SS
Generative AI Engineer
Soho Square Solutions
Montreal, QC
- Contract
3+ years of hands-on experience with Azure and AWS.
Added 1 month ago
UT
Senior DevOps Engineer
Unity Technologies
Montreal, QC
- Full-time
Are you a visionary DevOps Engineer with a keen focus on driving modern infrastructure through Automation, Infrastructure-as-Code (IaC), and advanced CI/CD practices? At Unity Technologies…
Added 1 month ago
Senior Application Security Analyst
Purolator
ON · Mississauga, ON
The Senior Application Security Analyst is responsible for embedding security into the software development lifecycle (SDLC) by partnering closely with application and engineering teams.…
Added 1 month ago
Senior IT Application Specialist
Geotab
Oakville, ON · Toronto, ON · Waterloo, ON
As a Senior IT Application Specialist your key area of responsibility will be owning the end-to-end lifecycle of enterprise applications - from roadmap definition and architectural strategy…
Added 1 month ago
Staff Software Engineer, Fullstack
Fivetran
Toronto, ON
Familiarity with leading cloud providers, such as GCP, AWS, or Azure
Added 3 months ago
GC
Forward Deployed Engineer (AI Practice)
Greenlight Consulting
North York, Ontario
- $90,000 to $130,000 CAD / year
…technically credible person in the room - combining deep AI fluency with the consulting presence of a senior…
Added 3 months ago
SD
Artificial Intelligence (AI) Architect
Symbiotic Digital
Unorganized North Algoma, Ontario · Downtown Toronto (Ryerson), Ontario
- Contract
We are seeking a Senior AI Architect/Designer to lead the

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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