Home / Jobs / Senior Backend Developer to work on Register of Voters (ROVER) upgrade from ASP.NET MVC 5 /.NET Framework 4.x to the latest.NET.
Posted:
March 23, 2026
Location:
Calgary, Alberta, Canada

Job Description

Our public client is looking for a Senior Backend Developer to work on Register of Voters (ROVER) upgrade from ASP.NET MVC 5 / .NET Framework 4.x to the latest .NET.

Must-haves:

  • 5+ years backend development with C#/.NET, including production experience on ASP.NET MVC 5 / .NET Framework 4.x and ASP.NET Core.
  • Hands‑on migration/modernization experience: upgrading .NET Framework apps to latest .NET with minimal disruption.
  • Strong EF6 → EF Core migration experience (LINQ/API differences, lazy/eager loading strategies, performance tuning).
  • Proven experience designing RESTful APIs (versioning, validation, error contracts, auth, rate/perf considerations).
  • Deep SQL and performance tuning skills on Microsoft SQL Server (indexes, query plans, batching, partitioning where applicable).
  • Experience building batch data processing and exception handling frameworks...

    • Apply for this Job

    Submit your application for the Senior Backend Developer to work on Register of Voters (ROVER) upgrade from ASP.NET MVC 5 /.NET Framework 4.x to the latest.NET. position at S.i. Systems.

    Apply Now Save for Later

    Job Overview

    Job Type: Contract
    Location: Calgary, Canada
    Posted: March 23, 2026
    Deadline: May 02, 2026