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November 3, 2026
.NET Core / SharePoint Developer
Mid • On-site
Quick Facts
Role: .NET Core / SharePoint Developer
Duration: 6 months (renewable)
Start date: ASAP
Description
You will redevelop critical business forms to ensure compatibility with SharePoint Server Subscription Edition. You will analyze existing SPFx forms (React/TypeScript), recreate them using .NET Core (ASP.NET Core MVC, Razor Pages, or Blazor), and integrate them into SharePoint (lists, columns, attachments). You will also implement Windows/AD authentication, deploy to IIS on Windows Server, and support testing, logging, and business acceptance.
Responsibilities
Analyze existing SPFx (React/TypeScript) forms and document their business logic
Redesign forms using ASP.NET Core (.NET Core) with MVC, Razor Pages, or Blazor
Read/write in SharePoint using REST API, CSOM, or PnP Framework (lists, columns, attachments)
Implement Windows/AD authentication (Kerberos or NTLM) and apply correct user permissions
Deploy on IIS (Windows Server) and integrate forms into SharePoint pages
Write tests, manage errors, handle logging, and support acceptance with business teams
Requirements
Solid experience with .NET Core / ASP.NET Core
Experience integrating SharePoint via APIs, ideally on-premise
Knowledge of Windows/AD authentication and the double-hop issue
Ability to read existing React/TypeScript code
Autonomy, attention to detail, and interest in reusing existing components
Benefits
6-month renewable contract
ASAP start
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