Mahmoud Khaireldin

Develop and maintain enterprise banking solutions using C#, .NET, SharePoint 2019, SSOM, SQL Server, and IIS. Lead application modernization and migration initiatives, troubleshooting complex .NET, IIS, SharePoint, and SQL Server issues across production environments.

Architect and build a high-availability, distributed US healthcare platform in C# / .NET Core across multiple microservices handling claims and payment transactions. Own core claims, payments, adjustments, and insurance-processing modules built on DDD, CQRS, and Event Sourcing.

Owned technical relationship for 30+ enterprise accounts, resolving critical escalations and improving customer satisfaction and SLA compliance. Bridged customers, engineering, and product leadership, prioritizing issues by business impact.

Provided architectural leadership across enterprise .NET and SharePoint projects, from requirements through production support. Led migration of large-scale SharePoint portals and codebases from 2010 to 2016, reducing infrastructure costs and downtime.

Led SharePoint 2010→2013 upgrade and Search Services support; translated HR, Finance, and Engineering requirements into workflows, custom applications, and SSRS reporting solutions.

Designed and built custom SharePoint Web Parts, workflows, and integrations (C#, JavaScript, jQuery, SQL) with ongoing performance optimization and production support.

Developed reusable SharePoint components (Contact Us, To-Do List, Voting) deployed across multiple customer portals, and improved deployment automation.

Diploma in System Development from the Information Technology Institute (ITI) from 2013 to 2014.

Bachelor of Computer Science & Information Technology from Mansoura University, Information Systems Department, from 2006 to 2010.