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Senior Solution Architect to lead the technical modernization, validate upgrade options, define the target.NET architecture, and guide modernization of legacy MVC components for a (ROVER) system upgrade.

S.i. Systems

Calgary, Alberta, Canada Contract March 14, 2026
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Opportunity Description

Our client is looking for a Senior Solution Architect to lead the technical modernization, validate upgrade options, define the target .NET architecture, and guide modernization of legacy MVC components for a (ROVER) system upgrade. 

Must-haves:

  • Senior‑level experience as a Solution Architect on .NET modernization or upgrade projects.
  • Proven experience upgrading systems from ASP.NET MVC 5 / .NET Framework 4.x to modern .NET (Core/6/7/8).
  • Hands‑on experience planning and executing legacy refactoring, including identifying components that must be re‑written.
  • Experience designing solutions involving complex data models, large datasets (1M+ records), and high‑volume batch processing.
  • Deep knowledge of:
  • ASP.NET MVC, ASP.NET Core, and API‑first architectures
  • Entity Framework 6 and EF Core migration strategies
  • Authentication & authoriza...
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    Opportunity Details

    Location Calgary, Alberta
    Country Canada
    Type Contract
    Category Computer Occupations
    Posted March 14, 2026
    Deadline April 23, 2026

    About S.i. Systems

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    S.i. Systems

    Calgary, Canada

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