Rasika Weliwita is a senior software engineer at Creative Software. He has over 9 years experience in working with Microsoft development stack including .NET/C#, ASP.NET/MVC, and Sharepoint. His current focus is on Identity and Access Management(IAM) solutions on .NET platform by Microsoft and other partners. He finds it exciting to work with protocols like OpenIdConnect and OAuth2 and products like IdentityServer to empower the clients with the latest IAM solutions. Apart from IAM solutions, he has also developed few custom intranet portals based on Sharepoint Online and also interested in solving interoperability problems between platforms like .NET Core and Node.js. Rasika is also a blogger and love to share knowledge via his blog(http://me.weliwita.com/) and answering questions at StackOverflow(https://stackoverflow.com/users/2032151/rawel).