Mississauga, On C#/.net/sql server developer Jobs – 86 Openings This Week

Senior Software Engineer, CMS (Modernization of Registry)
autoTRADER.ca —Toronto, ON
- $140,000–$190,000 a year
- Databases
- AWS
- APIs
- Employee assistance program
12d
Software Engineer, CMS (Registry Support)
autoTRADER.ca —Toronto, ON
- $100,000–$150,000 a year
- On call
- DevOps
- SQL
- AWS
- Employee assistance program
12d
Software Engineer, CMS (Registry Support)
AutoTrader.ca —Toronto, ON
- $100,000–$150,000 a year
- On call
- DevOps
- SQL
- AWS
- Employee assistance program
12d
Web Application Developer
Flynn Group of Companies —Mississauga, ON
- $70,000–$110,000 a year
- Full-time
- Azure
- Computer Science
- DevOps
- Dental care
- Employee assistance program
Quick apply
13d
Senior .Net Developer
CGI —Toronto, ON
- $95,000–$145,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
Quick apply
Full Stack Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- DevOps
- Java
Application Developer - Contract
ERCO Worldwide —Mississauga, ON
- $45–$50 an hour
- Temporary
- Azure
- Computer Science
- Software troubleshooting
Quick apply
Software Developer
AGILEFREE Inc. —Mississauga, ON
- $25–$45 an hour
- Hybrid work
- Azure
- Java
- Databases
Quick apply
Software Developer
Autodesk —Toronto, ON
- $88,000–$128,700 a year
- Full-time
- Hybrid work
- Oracle
- DevOps
- Engineering
Software Engineer/Web Developer
CODEPAPER TECHNOLOGIES INC. —Vaughan, ON
- $87,089.79–$143,157.65 a year
- Part-time
- Hybrid work
- Azure
- Computer Science
- DevOps
- Mileage reimbursement
- Commuter benefits
Quick apply
8d
Lead Full Stack .Net Developer
Compass Group Canada Ltd —Toronto, ON
- $130,000–$160,000 a year
- Hybrid work
- DevOps
- No experience needed
- JavaScript
Quick apply
Database Developer
Deluxe Media —Toronto, ON
- Full-time
- Oracle
- Computer Science
- Engineering
Software Engineer
Canada —Mississauga, ON
- $73,560 a year
- Full-time
- Azure
- DevOps
- Databases
Quick apply
Software Developer II
Bentley Systems —Burlington, ON
- Hybrid work
- Azure
- Computer Science
- DevOps
Lead L3 Support Engineer- Imaging
Merative —Mississauga, ON
- $123,181.41–$184,772.11 a year
- Full-time
- Azure
- DevOps
- C++
- Dental care
- Tuition reimbursement
Lead Software Developer - Configuration
Telus Health —Toronto, ON
- $80,000–$110,000 a year
- Full-time
- Computer Science
- DevOps
- English
Senior Full Stack Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- DevOps
- Java
Senior SQL Server & Data/AI Engineer
MHI Canada Aerospace, Inc. —Mississauga, ON
- Overtime
- Azure
- Computer Science
- Engineering
Market Data Sr Developer - Python and .Net - Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Computer Science
Java Full Stack Developer
tradevelopement inc —Toronto, ON
- $60,036.36–$140,533.47 a year
- Azure
- Java
- Databases
Quick apply

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c#/.net/sql server developer jobs near mississauga, on

Senior Software Engineer, CMS (Modernization of Registry)

autoTRADER.ca -
Toronto, ON

Apply Now

Job details

$140,000–$190,000 a year
12 days ago

Qualifications

Data modeling
Kubernetes
.NET Core
C#
Microsoft SQL Server
.NET
Databases
AWS
Docker
Terraform
REST
Angular
GitHub
APIs
S3
AI
TypeScript
Communication skills
Identity & access management

Full job description

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.

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 & 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, 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 all benefit from that support us to be our creative best.

Benefits from Day 1

Gym discounts
Employee and Family Assistance program
Virtual wellness events
Conferences & training budget
Regular internal training programs

Financial planning

Let us help you invest in your future with 3% matching towards your pension and multiple forms of income protection.

Competitive salary

Annual bonus structure
3% CPP matching

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 benefits, 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.

Apply Now

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