Its been more than 3 years now, In this duration, i have learnt about lots of technologies ruby, ruby on rails (3.2.2 to the latest 5.2.3), webpacker, API, RestFul API, angular1, angular5, reactjs, javascript, jquery, html/css, scss, html5/css3, slim/erb templates, capistrano, CD/CI, aws(cloud, s3, vpc, ec2).