Over 20 years of experience in  programming applications in Fortune 500 companies. I have written 2 books on software design patterns and performance tuning that are published on kindle, nook and ibooks.  So far I have taught react.js, nunit, Chatbot , several courses on machine learning and design patterns.  I have also been working in machine learning area for many years. My passion is leverage my years of experience to teach students in a intuitive and enjoyable manner. 
I spent many years at Microsoft, Intuit and Accenture, developing and managing the technology that automatically delivers product recommendations to hundreds of millions of customers, all the time.  I have started my own successful company, Green Heritage LLC Software in 2018, which focuses on online education.
I am also available for technical consultation, resume screening and conducting technical interviews of candidates to expedite hiring.