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Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Added 29 days ago
Software Engineer
My Beacon
Toronto, ON
Experience with Go, Java, JavaScript/TypeScript, or another modern programming language.
Added 1 month ago
Senior Software Engineer, Device Identity ( Toronto)
Okta
Toronto, ON
…engineering team. The ideal candidate will leverage their deep Java experience to architect, build, and scale the critical server-side software and services at the heart of our security and…
Added 1 month ago
RB
Senior Full Stack Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Autonomously code and troubleshoot Python and/or Java REST API and related software and setup local and shared, cloud environments and resolve issues
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
Added 1 month ago
R
Principal Data Science and AI Engineer
RBC
Toronto, ON
- Full-time
Added 1 month ago
R
Senior Full Stack Engineer
RBC
Toronto, ON
- Full-time
Autonomously code and troubleshoot Python and/or Java REST API and related software and setup local and shared, cloud environments and resolve issues
Added 1 month ago
M
Senior Software Engineer
Mastercard
Vancouver, BC
- Full-time
Excellent programming skills( OOP, SOLID, 12-factor) - java preferred
Added 1 month ago
TG
Senior C++ Developer
TMX Group
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
The role of the Senior Application Developer is to provide advanced technical and process oriented skills/knowledge, supported by good communication skills, in the development and support…
Added 1 month ago
I
Senior Cloud Security Operations Analyst
Intelcom
Montreal, QC · Service Centre (Montreal) Lab
- Full-time
…WAF, Cloud Firewall rules management, Kubernetes, Container, API gateway, Infrastructure and Compliance as a Code , cloud policies ,…
Added 1 month ago
NE
Développeur·se full stack - Full Stack Developer
Northstar Earth and Space
Montreal, QC
- Full-time
Expérience démontrée avec Typescript, Java/Kotlin, Go ou Python. Nous utilisons tous ces langages, mais Kotlin et Typescript sont privilégiés.
Added 1 month ago
M
Senior Developer, Guidewire ClaimCenter Integrations
Maarut
ON · Toronto /Montreal, Ontario
- Contract
developer with a strong Java/API integration background, not a configuration
Added 1 month ago
M
Senior Backend Developer
Modaxo
Montreal, QC
- Full-time
Expretio is seeking an experienced Backend Java Developer to join its dynamic team based in Montreal. Within a Scrum team, this person will contribute to the development of Appia, its…
Added 1 month ago
E
Développeur Logiciel Backend
EXFO
Montreal, QC
- Full-time
Vous travaillerez sur des systèmes distribués, des services orientés API et des pipelines de données à haut débit, dans un contexte où le logiciel interagit directement avec des…
Added 3 months ago
X
External Job Posting
Xero
Remote, Canada
- $131,800 to $197,600 CAD / year
- Full-time
- Remote
…collaborating across teams to drive technical excellence and developer…
Added 1 month ago
Senior Application Security Analyst
Purolator
ON · Mississauga, ON
…focuses on identifying, assessing, and reducing application and API security risk through threat modeling, secure design reviews, vulnerability management, and the operationalization of…
Added 3 months ago
Staff Back End Engineer (Data Platform)
Forma.ai
Toronto, Ontario
Expertise in at least one production-grade backend language (e.g., Python, Java, Kotlin, Go, C#, etc.).
Added 1 month ago
Staff Software Engineer, Fullstack
Fivetran
Toronto, ON
Hands-on experience with at least one compiled language such as C++, Kotlin, Scala, Go, Java, etc.
Added 2 months ago
AT
Principal Software Developer(Platform)
Aspen Technology
Montreal, Quebec
- Full-time
AspenTech is looking for a talented and experienced Developer to join our Enterprise Operations Platform (EOP) organization. In this role, you will be a member of an Agile development team
Added 28 days ago
Staff Full stack Engineer [CONSUMER]
HelloFresh
Toronto, ON
Proficiency and production experience with one or more backend languages such as Golang, Python, or Java.
Added 3 months ago
M
Principal Engineer - Platform & Data
Masabi
Remote, Canada
- Full-time
- Remote
Contribute to and help shape technical forums and working groups, including areas such as API and architecture governance
Added 3 months ago
SD
Artificial Intelligence (AI) Architect
Symbiotic Digital
Unorganized North Algoma, Ontario · Downtown Toronto (Ryerson), Ontario
- Contract
API-based, microservices, and event-driven integrations.
Added 3 months ago
M
Senior Test Automation Developer
MNP
Calgary, Alberta
- Full-time
Make an impact with our Technology - Development team as a Senior Test Automation Developer. This diverse team of tech-savvy builders and problem solvers embraces digital transformation,…
Added 3 months ago
E
Développeur(-euse) principal d’application mobile − Android / Senior Mobile Developer – Android
Expedia
Montreal, Quebec · Canada - Quebec - Montreal
- Full-time
Maîtrise approfondie du développement Android (Kotlin/Java, Android SDK, frameworks UI), y compris la conception d’API, la modélisation de données et la conception de systèmes pour les…

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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