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Senior Software Engineer, CMS; Modernization of Registry

Job in Toronto, Ontario, C6A, Canada
Listing for: AutoTrader.ca
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
Salary/Wage Range or Industry Benchmark: 140000 CAD Yearly CAD 140000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer, CMS (Modernization of Registry)
We are TRADER, a Canadian leader in digital automotive solutions. Our flagship brands —   ,  Auto Sync ,  Dealer track Canada and CMS  — help Canadians buy, sell, and finance vehicles with confidence.

As part of  Auto Scout
24 group , Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond.

Learn more at

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.

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 Git Hub Actions and contribute to standardized engineering practices

Take accountability for reliability, operational outcomes, and continuous improvement of owned systems

Collaborate & Lead

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, Cloud Watch, and IAM

Proficiency in Angular, Type Script, 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 / Cloud Formation, 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…
Position Requirements
10+ Years work experience
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