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Full Stack Developer - Senior

Job in Toronto, Ontario, M5A, Canada
Listing for: Cleo Consulting
Full Time position
Listed on 2026-02-28
Job specializations:
  • Software Development
    C# / Unity Developer, Full Stack Developer, ASP.NET Developer, Software Engineer
Job Description & How to Apply Below

Assignment: RQ00551 - Software Developer - Full Stack - Senior

Requisition: RQ00551

Job Title:
Full Stack Developer - Senior

Client:
Workplace Safety and Insurance Appeals Tribunal

Start Date:

End Date:

Department:
Information & Technology Services

Office

Location:

505 University Avenue, Toronto

Business Days: 209.00

Location: 3 days in office (505 University Ave, Toronto), 2 days remote

Public Sector

Experience:

Nice to Have

Must Haves:

  • 5+ years Analyze legacy code and implement modern equivalents
  • 5+ years of hands-on experience with Microsoft .NET technologies
  • 5+ years Strong experience with C#, .NET Core, and Entity Framework
  • 5+ years Solid SQL Server experience (queries, stored procedures, optimization)
  • 5+ years Experience with Classic ASP / VBScript migration

Description

  • Hybrid: 3 days in office (505 University Ave, Toronto), 2 days remote
  • Seeking two experienced Full Stack .NET Core Developers to support the modernization of a legacy Case Management System. The successful candidates will migrate existing functionality written in Classic ASP/VBScript into a modern .NET Core architecture.

Key Responsibilities

  • Modernize and rebuild legacy Classic ASP/VBScript components using .NET Core
  • Develop backend components using C#, Entity Framework, LINQ, SQL Server
  • Build responsive UI with HTML5, CSS/SASS/SCSS, JavaScript, jQuery, Bootstrap
  • Analyze legacy code and implement modern equivalents
  • Use Visual Studio as the primary development environment
  • Collaborate with team members to deliver high-quality, maintainable solutions

Required Skills

  • 5+ years of hands-on experience with Microsoft .NET technologies
  • Strong experience with C#, .NET Core, and Entity Framework
  • Proficiency with Visual Studio
  • Solid SQL Server experience (queries, stored procedures, optimization)
  • Strong front-end skills:
    JavaScript, jQuery, HTML5, CSS, SASS, SCSS, Bootstrap
  • Experience with Classic ASP / VBScript migration
  • Experience with Dev Ops tools and practices (e.g., CI/CD pipelines, Git, automated builds)
  • Strong communication, analytical, and troubleshooting skills
  • The Workplace Safety and Insurance Appeals Tribunal is an inclusive employer. Accommodation is available under the Ontario Human Rights Code.
Position Requirements
10+ Years work experience
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