application software on .Net Platform

hi, i urgently need a well experienced (highly rated) software/database developer to create an application software built on .Net platform..It should be modular with facility for customization and ease of use functionality. The database used should be based on Microsoft SQL Server/ equivalent with full security features. The application should ride on Windows 2008 Server or higher(or equivalent).. further details will be provided on selection..reference to similar work done will be required for selection..thanks