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Added 29 days ago
Senior Software Engineer, Device Identity ( Toronto)
Okta
Toronto, ON
We seek a dynamic and influential Senior Software Engineer to join our Device Identity engineering team. The ideal candidate will leverage their deep Java experience to architect, build,…
Added 1 month ago
E
Senior Software Engineer, AI Platform
eBay
Toronto, ON
- Full-time
…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…
Added 29 days 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
B
Senior Solution Architect - (Personal and Business Banking/ AI / AWS)
BMO
Toronto, ON · BMOPLACE
- Full-time
Operates at a group/enterprise-wide level and serves as a specialist resource to senior leaders and stakeholders.
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
Added 3 months ago
C
Principal Software Developer – Data Architect
Caseware
Toronto, Ontario
- Full-time
We are seeking a Principal Software Developer – Data Architect to drive the technical vision and architectural
Added 1 month ago
IAM Architect
Scotiabank
Toronto, ON
We are seeking a IAM Architect (Workforce) to join Enterprise Security’s Identity Access Management Team. The ideal candidate has strong leadership skills and in-depth knowledge of the…
Added 2 months ago
A
Senior AI Lead -Snowflake
Accenture
Remote, Canada
- Full-time
- Remote
A Senior Forward Deployed Technology lead, leading the modernization of customer data and application ecosystems on the Snowflake AI Data Cloud, with deep focus on enterprise data…
Added 2 months ago
A
Senior AI Lead: Databricks
Accenture
Remote, Canada
- Full-time
- Remote
A Senior AI Native Lead who builds, leads, and scales world-class AI/ML professional services on the Databricks Intelligence Platform. You develop executive relationships with VP+, CIO, and…
Added 1 month ago
Software Developer - Android (Canada)
TextNow, Inc.
Waterloo, ON
…of the code you ship will be AI-generated, with you as the architect, reviewer, and final authority on quality, correctness, and design. You’ll have access to the latest and greatest AI…
Added 4 months ago
AG
Senior Technical Architect - DevSecOps & IT Service Delivery (Defence / NC2SS)
ADGA Group Consultants Inc
Ottawa, Ontario
- $130,000 to $150,000 CAD / year
- Full-time
We are seeking an experienced Technical Architect to support the Command Management & Security (CM&Sec) function within a high-security defence environment. This role will be responsible…
Added 3 months ago
PG
Lead Full Stack Developer
Publicis Groupe Holdings B.V
Toronto, Ontario
- Full-time
…database migration, debugging a prod incident, mentoring a senior engineer, or sitting in a client architecture conversation. You thrive at the intersection of architecture, engineering,…
Added 4 months ago
C
Senior Software Engineer - Infrastructure
Confluent
Remote, Canada
- $144,200 to $169,400 CAD / year
- Full-time
- Remote
…working closely with the team and key stakeholders to design, architect, and develop top-notch…
Added 4 months ago
C++ Developer
Glint Tech Solutions LLC
Toronto, Ontario
We are partnering with one of Canada's leading institutional investors to find a Senior C++ Engineer who will directly impact global trade activities and deliver long-term value to 20M+…
Added 4 months ago
MF
Senior Software Development Engineer in Test
Magnet Forensics
Ottawa, Ontario · Toronto, Ontario · Waterloo, Ontario
- Full-time
We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our…
Added 2 months ago
DI
Contact Center AI Platform-Tech Lead
Definity Insurance Company
Toronto, ON
- Full-time
The Contact Center AI (CCAI) Platform Technical Lead is a senior hands-on technology leader responsible for defining the strategy, architecture, and delivery of AI-powered customer…
Added 4 months ago
GE
Senior Integration Engineer (Future oppourtunity)
GFL Environmental Inc.
Vaughan, Ontario
- Other
We are seeking a Senior Integration Engineer to design, develop, and maintain robust data integration solutions. You will focus heavily on real-time data streaming via Apache Kafka and…
Added 5 months ago
P
Développeur. euse logiciel. le sénior. e, Équipe Portal// Senior Software Developer- Portal team
Plusgrade
Montreal, Quebec
- Full-time
Développeur·euse logiciel·le sénior·e, Équipe Portal
Added 1 month ago
Sr Staff Software Engineer
Kaseya Careers
Toronto, ON
Architect & Develop: Implement scalable, maintainable, and high-performance Java applications with a strong focus on microservices using latest AI development tools
Added 5 months ago
T
Machine Learning Engineer
TD
Remote, Canada
- Full-time
- Remote
We are currently seeking talented individuals for a variety of positions, ranging from junior to senior levels, and will evaluate your application in its entirety.
Added 5 months ago
UM
Senior Backend Engineer
US Mobile
Toronto, Ontario
- Full-time
We're looking for an exceptional backend engineer and hands-on architect to help us scale and connect millions of devices to wireless networks. The projects and potential impact are…
Added 5 months ago
Principal Architect, Software Engineering
Credera Experienced Hiring Job Board
Quinte West, Ontario
As a Principal Architect at Credera, you partner with clients to define their technology vision, then own the design, estimation, and execution of the work that brings it to life. You…
Added 29 days ago
RS
Senior Full Stack Software Developer, RMJ
Redwood Software
ON
- $132,000 to $165,000 CAD / year
As a Senior Full Stack Software Developer, you will be responsible for leading the design, development, and delivery of scalable full-stack applications, shaping system architecture, and…
Added 1 month ago
Senior Software Engineer
Evismart
Vancouver, BC
…and margin and we build it here, in Vancouver. If you want to architect systems that ship to real customers across North America, Europe, and beyond, and you're done with legacy tech and…
Added 1 month ago
Staff Back End Engineer (Applications)
Forma.ai
Toronto, ON
…join our application teams. You’ll work alongside other staff, senior, and early-career engineers to define, evolve, and scale the systems that power enterprise-grade product workflows.…

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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