Contract

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 by S.i. Systems • March 23, 2026

📍 Calgary, Alberta, Canada

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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...
            

Job Details

Location Calgary, Alberta
Job Type Contract
Category Computer Occupations
Posted March 23, 2026
Deadline May 02, 2026

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