I worked as a software backend engineer for 5 years, I have used Python for 2 years, PHP for 2 years Scala for one year and Ruby for half a year, during these 5 years I have on-and-off experience with Javascript. Now I work as a senior software engineer to deal with engineering requirements of the computer visual algorithms provided by my upstream Algorithm Department, including face recognition, person reidentification and anti-spoof detection for videos. ©