About the Author

Rajesh Gunasundaram is a software architect, technical writer, and blogger. He has over 15 years of experience in the IT industry, with more than 12 years of using Microsoft .NET, 2 years of using BizTalk Server, and a year of iOS application development.

Rajesh is the founder and editor of technical blogs programmerguide.net and ioscorner.com, and you can find many of his technical writings on .NET and iOS. He is also the founder and developer of a web product, VideoLens.net, a platform that analyses Facebook and YouTube videos and channels. Also, he has written two books, ASP.NET Web API Security Essentials and CORS Essentials for Packt Publishing.

Rajesh is also a YouTuber, running two channels: rajeshmgonline and ProgrammerGuide. He holds a master's degree in computer application and began his career as a software engineer in 2002. He worked on client premises located in various countries, such as UK, Belarus, and Norway. He also has experience in developing mobile applications for iPhone and iPad. His technical strengths include Azure, Xamarin, ASP.NET MVC, Web API, WCF, .NET Framework/.Net Core, C#, Objective-C, Angular, Bot Framework, BizTalk, SQL Server, REST, SOA, design patterns, and software architecture.

I would like to dedicate this book to my family and my team. I am thankful to the entire team at Packt Publishing for providing me with the opportunity to write this book. Thanks to Larissa Pinto for having confidence in me and giving me the opportunity to write this book. Thanks to Prachi Bisht, who brought me into the world of  writing books. Thanks to Aditi Gour and Shali Deeraj for guiding me and helping me shape the content of the book. Thanks to Ralph Rosario for verifying the technical content and bringing it to good shape.