Senior Software Engineer, CMS (Modernization of Registry) Toronto, ON (Canada)
We are TRADER, a Canadian leader in digital automotive solutions. Our flagship brands - AutoTrader.ca , AutoSync , Dealertrack Canada and CMS - help Canadians buy, sell, and finance vehicles with confidence.
As part of AutoScout24 group , Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond.
This role will be within our Collateral Management (CMS) team, a national tech solution that boosts lien and registration services, recovery services, and insolvency management solutions for Canadian Lenders.
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About the CMS Registry Solution The CMS Registry Solution powers end-to-end collateral and lien management for banks, automotive finance companies, credit unions and other lenders. The platform automates the full lien lifecycle - registration, amendment, search, monitoring and discharge to protecting lenders, reduce risk and ensure compliance, and provides value-added features such as lien validation, asset monitoring and fraud detection.
We’re actively modernizing the platform that is mission‑critical used by major financial institutions with a focus on scalability, automation, and developer experience . Current work includes containerizing services, upgrading .NET runtimes, strengthening CI/CD and observability, and adopting Infrastructure as Code - alongside pragmatic AI-assisted development and intelligent QA.
You’ll join a small, critical and high-impact team (engineers, product owner, engineering manager) focused on solving real customer problems with durable systems. You’ll be expected to own a major slice of the platform, lead technical execution for key initiatives, and raise the quality bar through strong engineering judgment.
What You’ll Do: Build & Evolve Critical Systems Design and implement scalable, resilient backend and frontend services using .NET (Core / 6+ / 8), Angular, and RESTful APIs
Lead registry modernization initiatives , including containerization of legacy .NET workloads, runtime upgrades, and improvements to deployment and operational reliability




Contribute to data-layer improvements , focusing on performance, scalability, and operational reliability
Own Architecture & Technical Decisions Drive technical design discussions and make pragmatic architectural decisions within the team
Integrate observability, security, and performance best practices into system design
Balance technical excellence with delivery needs when evolving existing systems
Build With an Ownership Mindset Own solutions end-to-end, from design through deployment and production operation
Establish and improve CI/CD pipelines using GitHub Actions and contribute to standardized engineering practices
Take accountability for reliability, operational outcomes, and continuous improvement of owned systems
Collaborate closely with Product, Platform, and other engineering teams to deliver production-ready capabilities
Mentor and support other engineers through code reviews, design discussions, and day-to‑day technical leadership
Act as a role model for strong ownership, technical quality, and constructive collaboration
What We’re Looking For: Must Have Strong hands‑on experience building production systems with .NET and C# (modern .NET preferred)
Experience working with AWS services such as EC2, S3, CloudWatch, and IAM
Proficiency in Angular, TypeScript, and RESTful API design
Solid understanding of SQL Server and relational data modeling (managed database experience a plus)
Comfort operating in production environments and learning from real‑world feedback
Demonstrated experience leveraging AI-assisted development and testing tools to improve productivity, code quality, and operational efficiency
Clear communication skills and a collaborative, ownership-driven approach
A builder’s mindset:



If you can think it, you can build it. If you build it, you own it.
Nice-To-Have Experience with Docker, Terraform / CloudFormation , or Kubernetes-based platforms
Background in system modernization , refactoring, or legacy platform evolution
Experience with database performance optimization
Exposure to AI-driven QA (e.g., Playwright, Cypress with AI integrations)
What’s In It For You? We understand that there is life at work and life outside of work. Here are a few benefits we allbenefitfrom that support us to be our creative best.
BenefitsfromDay 1 Gymdiscounts
Employee and Family Assistance program
Virtual wellness events
Regular internal training programs
Letushelpyouinvestinyourfuturewith3%matchingtowardsyourpensionand multipleformsofincomeprotection.
Annualbonusstructure
3% CPP matching
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The base salary range for this position is CAD $140,000 - CAD $190,000.
This range reflects the expected compensation at the time of posting. The final offer may vary and can be higher based on relevant skills, experience, location, and market conditions. Based on the role the total rewards package may also include benefits, bonus, and other employee offerings.
Use of Artificial Intelligence in Hiring: We use artificial intelligence (“AI”) in our hiring process, including to screen, assess, or select applicants for this position.
Vacancy Status: This job posting is for an existing vacancy.
Compensation Our ranges reflect the expected compensation at the time of posting. The final offer may vary and can be higher based on relevant skills, experience, location, and market conditions. Based on the role, the total rewards package may also include perks, bonus, and other employee offerings.
The base salary range for this position is
$140,000 - $190,000 CAD
Use of Artificial Intelligence in Hiring: We use artificial intelligence (“AI”) in our hiring process, including to screen, assess, or select applicants for this position.
Vacancy Status: This job posting is for an existing vacancy.

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📌 Senior Software Engineer, CMS (Modernization of Registry) Toronto, ON (Canada)
🏢 AutoTrader
📍 Ontario