I know html, css, javascript, different web frameworks and technologies, and made a lot of websites
back-end development using Nodejs and express, and PHP for a while
working with different types of databases SQL and NOSQL, worked before with SQL server anf mongoDB
good knowledge in object oriented programming and OOP concepts
I know different algorithms and datastructures
I participate in a lot of online competitive programming contests and solve problems periodically on codeforces and hackerrank
my social accounts