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Added 1 day ago
V
Senior Software Developer - Workflows
Verily
Waterloo, ON
- Full-time
Demonstrated experience with Go, Java, Python, and/or SQL.
Added 3 days ago
UC
AI Developer
UniSysTech Consulting
Toronto, ON · Greater Toronto and Hamilton Area, ON
- Other
We are seeking an experienced AI Developer (Mid to Senior Level) to lead the design, development, and deployment of enterprise-grade Artificial Intelligence and Machine Learning solutions.…
Added 3 days ago
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Senior Data Developer
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
Python · SQL · Java · Scala · Snowflake · Airflow · Dagster · Kafka · Kinesis · AWS (S3, Glue, Lambda) · Terraform · Docker · Kubernetes
Added 5 days ago
S
Enterprise Architect – AI, Data & Cloud
Synechron
Mississauga, ON
- $180,000 to $200,000 CAD / year
- Full-time
…the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization…
Added 6 days ago
MS
Jr. Software Engineer - Java, Angular, JavaScript
Motorola Solutions
ON · Gatineau, QC · Quebec, QC
- Full-time
As a software developer, you will be joining a team developing a next generation 911 call handling solution that complies with industry standards and market demands, is capable of being…
Added 7 days ago
I
Principal Data Architect, FSI
Infostrux
Toronto, ON
- Full-time
…building modern, cloud-native platforms that power analytics, AI, and machine learning. Our work spans the modern data stack - covering data engineering, architecture, integration, and…
Added 9 days ago
AS
GCP Consultant
Apex Systems
Toronto, ON
- $49 to $54 USD / hour
- Contract
Hands-on expertise in Google Cloud Platform (GCP), with broad knowledge of GCP services and IAM; Azure or AWS experience alone is not sufficient
Added 10 days ago
IF
Senior AI Developer - Experience with Python, Spark/PySpark, Databricks, and AWS
Intact FC
Montreal, QC · Laval, QC
- Full-time
We’re looking for a Senior AI Developer - Experience with Python, Spark/PySpark, Databricks (including Unity Catalog), and AWS to join our growing team!
Added 10 days ago
N
Software Developer Senior Specialist - Java, AWS, DevOps
Nasdaq
Toronto, ON
- Full-time
The Software Developer will partner with development, QA, DevOps, and operations teams to design, engineer, develop, test, deploy, and support cloud-enabled application solutions.…
Added 11 days ago
Senior AI Platform Engineer
Motive
Toronto, ON
Architect AWS/GCP environments with Kubernetes, Terraform, and CI/CD for apps and model pipelines.
Added 11 days ago
FT
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
FDE Times
Toronto, ON
- Full-time
Solid hands-on with at least one major cloud (AWS, Azure, GCP) - IAM, networking, KMS, native security services (GuardDuty, Defender, SCC), and IaC (Terraform).
Added 12 days ago
TR
Senior Software Engineer
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
- Full-time
We are looking for a hands-on Senior Software Engineer with strong DevOps and cloud platform expertise to design, build, deploy, and operate scalable cloud-native services and the…
Added 12 days ago
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Sr. Software Engineer - Backend
eBay
Toronto, ON
- Full-time
We are looking for a Senior Software Engineer with strong backend development experience and hands-on expertise in cloud infrastructure and DevOps.
Added 13 days ago
S
Enterprise Architect
Synechron
Mississauga, ON
- $180,000 to $210,000 CAD / year
- Full-time
…the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization…
Added 13 days ago
Senior Software Engineer - Product Security
Faire
Toronto, ON · Waterloo, ON
A familiarity in both writing and reviewing code in OOP languages such as Java, Python, or Typescript
Added 16 days ago
MC
Senior DevOps Engineer
Modern Campus
Canada
- Full-time
Modern Campus is looking for a Senior DevOps Engineer to build, operate, and improve the cloud infrastructure supporting our higher education products. Our environment is primarily AWS,…
Added 16 days ago
K
Senior Backend Software Engineer – Data Platform
Kaseya
Toronto, ON
- $205,000 to $240,000 CAD / year
- Full-time
Collaborate closely with Product, Infrastructure, Security, AI, and other Software Engineering teams
Added 16 days ago
KC
Senior Backend Software Engineer – Data Platform
Kaseya Careers
Toronto, ON
- $205,000 to $240,000 CAD / year
Collaborate closely with Product, Infrastructure, Security, AI, and other Software Engineering teams
Added 17 days ago
Senior AI Platform Software Engineer
Scotiabank
Toronto, ON
Advanced programming skills in Python, Java, Scala, Go, or a similar language, with a strong record of producing clean, testable, maintainable, and secure code.
Added 17 days ago
RA
Senior Software Engineer – Python & AWS (100% Remote)
Recrute Action
ON · North York, Toronto, Kitchener, Ontario
- Contract
Senior Software Engineer – Python & AWS (Remote)
Added 17 days ago
Senior Consultant - Modernization (Defense) | Consultant senior - Modernisation (Défense), Public Sector Professional Services | Services professionnels du secteur public
Amazon
Toronto, ON · Ottawa, ON · Montreal, QC · Vancouver, BC
…Application Modernization, to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their…
Added 19 days ago
Java Developer
Capgemini
Montreal, QC
The Firm Market Risk Technology Team develops software to measure and monitor Market Risk and Capital for the firm's global portfolio. The team is responsible for designing and implementing…
Added 19 days ago
Java Developer
Capgemini
Montreal, QC
The Firm Market Risk Technology Team develops software to measure and monitor Market Risk and Capital for the firm's global portfolio. We are responsible for designing and implementing…
Added 19 days ago
Java Developer
Capgemini
Montreal, QC
The Market Risk Technology Team develops software to measure and monitor Market Risk and Capital for global portfolios. The team is responsible for designing and implementing technology…
Added 19 days ago
ES
Lead AI Engineer - TCO Agent Platform
EPAM Systems
Canada
- Full-time
Frameworks & Languages: Advanced proficiency in Python 3.11+, FastMCP, FastAPI, and Pydantic. Prior experience with object-oriented enterprise languages (e.g., Java) for seamless…

eBay

Sr. Software Engineer - Backend

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, with a strong background in building production-grade backend applications.
Posting language: English
Posted: Oct 20, 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.

The Team

Join a newly formed engineering team at eBay focused on building Authentication as a Service, a platform designed to extend eBay's authentication capabilities to other marketplaces and partners.

Today, eBay's Authenticity Guarantee program helps build trust in high-value transactions by authenticating eligible items before they reach buyers. We're expanding these capabilities beyond eBay, starting with Depop, and building a scalable, reusable platform that can support new authentication experiences across multiple marketplaces.

This initiative involves re-architecting existing systems and building new cloud-native services from the ground up. You'll join a small, highly collaborative team with significant ownership over the architecture, infrastructure, and engineering foundations of this new platform.

The Role

We are looking for a Senior Software Engineer with strong backend development experience and hands-on expertise in cloud infrastructure and DevOps.

This is a software engineering role first, combining the design and development of scalable backend services with direct ownership of cloud infrastructure, deployment automation, and production reliability.

You'll help shape the architecture of a new platform, build distributed services, and establish the cloud infrastructure needed to support reliable, scalable authentication workflows.

What You Will Accomplish

Design, develop, and operate scalable backend services, APIs, and distributed systems using technologies such as Java, Spring Boot, and REST.
Build and manage cloud infrastructure using Terraform, primarily on Google Cloud Platform (GCP).
Provision and operate cloud services, including Cloud Run, databases, load balancers, messaging systems, and related infrastructure.
Design event-driven and asynchronous architectures using technologies such as Google Pub/Sub, Kafka, or comparable messaging platforms.
Develop and improve CI/CD pipelines, deployment automation, monitoring, and observability to support reliable production operations.
Contribute to architectural decisions involving scalability, fault tolerance, security, performance, and cloud cost efficiency.
Own backend services throughout their lifecycle, from technical design and implementation through deployment, troubleshooting, and continuous improvement.

What You Will Bring

6+ years of professional software engineering experience, with a strong background in building production-grade backend applications.
Proficiency in Java or comparable backend languages such as Python, C#, or Go, with a willingness to develop in Java.
Experience designing and developing backend services, RESTful APIs, microservices, and distributed systems.
Hands-on experience provisioning and managing cloud infrastructure using Terraform or equivalent Infrastructure as Code practices.
Practical experience developing and operating applications on GCP or AWS, including cloud compute, databases, networking, and asynchronous messaging services.
Experience with CI/CD pipelines, containerized applications, production monitoring, and operational troubleshooting.
Strong software engineering fundamentals, problem-solving skills, and the ability to independently own complex technical solutions.

Nice to Have

Direct experience with GCP services such as Cloud Run, Pub/Sub, Cloud SQL, and related managed infrastructure.
Experience with Java and Spring Boot in production environments.
Familiarity with Kubernetes, Docker, and cloud-native deployment patterns.
Experience designing highly available, event-driven systems and improving production reliability through observability and automation.
Experience using AI-assisted development tools to improve engineering productivity and delivery quality.

Why Join This Team

Build something from the ground up. You'll help create a new authentication platform, with meaningful input into its architecture, infrastructure, and technical direction from the earliest stages.

Work on a high-priority initiative. The platform is central to expanding eBay's authentication capabilities into Depop and beyond, with strong organizational support and visibility across engineering and business leadership.

Own more than just your code. As part of a small engineering team, you'll have the opportunity to influence how services are designed, deployed, monitored, and operated, rather than working within an established infrastructure model.

Shape a scalable platform for the future. The work goes beyond a single integration. You'll help establish reusable cloud-native capabilities that can support additional marketplaces, partners, and authentication use cases.

Explore modern engineering practices. The team is embracing AI-assisted development, automation, and efficient engineering workflows to increase productivity while maintaining strong standards for reliability and software quality.

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, develop, and operate scalable backend services and distributed systems while managing cloud infrastructure. You will own backend services throughout their lifecycle, including technical design, deployment, and production reliability.

Requirements

Requires 6+ years of professional software engineering experience with a strong background in backend applications and cloud infrastructure. Proficiency in Java or similar languages and hands-on experience with Terraform and cloud platforms like GCP is essential.

Skills

Java
Spring Boot
RESTful APIs
Terraform
Google Cloud Platform
Cloud Run
Microservices
Distributed systems
CI/CD pipelines
Infrastructure as Code
Kubernetes
Docker
Event-driven architecture
Kafka
Google Pub/Sub
Observability

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

Backend
Java
Spring Boot
REST
Terraform
GCP
Cloud Run
Cloud SQL
Pub/Sub
Kafka
Microservices
Distributed Systems
CI/CD
Kubernetes
Docker
Infrastructure as Code
Observability
Authentication
Ecommerce
Cloud-native
DevOps
API
Scalability
Fault tolerance
Security
Performance
AI-assisted development
Software engineering
Production reliability
Backend development

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