Angular 2+ - more then 6 years
Node.js (Express) - more then 6 years
HTML - about 14 years
CSS (SASS) - about 14 (6) years
JS - more then 10 years
JQuery - more then 10 years
PHP - about 1 year
Ruby on Rails - about 1 year
React (+Redux) - about 1 year
PostgreSQL - more then 5 years
MySQL - more then 2 years
MongoDB - about 3 years
Redis - about 6 months

Also have a descent designer skills