With over 8 years of experience in the ICT industry, Sajeetharan Sinnathurai is a full stack developer, an enthusiast in Cloud and Web Development. He currently works at Microsoft as a Technical Evangelist. His skill in Web Application Architecture, Cloud and more has seen him become a Microsoft MVP in Developer Technologies, Google developer expert in Web technology. Sajeetharan is also the top contributor on stack Overflow in Sri Lanka and he ranks among the top 10 contributors in the world on Angular, Cosmos DB, etc. He is also a reviewer on https://www.packtpub.com/ .He now focuses on channeling his knowledge into open source projects and sharing it with the community by mentoring,creating POCS,running workshops,writing blogs to help make the world a better and more developed place.