Successful Global Promise Visa endorsement approval on 13th Nov for a proficient Full-Stack, DevOps and Blockchain Engineer with 5 years of work experience in end-to-end application development. Authored 4 books on Blockchain and JavaScript, published by UK's biggest tech book publication. So far a total of 11,500+ copies has been sold. One of his books was the first book on Ethereum blockchain application development in Amazon.