Senior Backend Developer to work on Register of Voters (ROVER) upgrade from ASP.NET MVC 5 / .NET Framework 4.x to the latest .NET.

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 (replace manual SQL with auditable workflows).
• Experience integrating with SSRS or similar reporting stacks.
• Solid understanding of authentication/authorization modernization (Identity/OWIN modern ASP.NET Identity patterns).
• Comfortable working with large datasets (millions of records), ensuring performance and reliability.
• Ability to work on‑site in Regina as required

Nice‑to‑Have

• Familiarity with ArcGIS data flows or GIS coordinate processing in web apps.
• Exposure to public sector, registries, or elections‑related data systems.
• Experience implementing monitoring/alerting (e.g., structured logs, metrics) in on‑prem environments.
• Background with message queues/background services (e.g., hosted services) for long‑running jobs.
• Prior involvement producing System Administration documents and User Manuals with operational checklists.