Position: Разработчик JavaScript
Category: JavaScript
English level: intermediate
Years of experience: 10

Created a service with using of Java which encoded voice with AWS Polly service without formal knowledge of Java (I was on a frontend developer position). Also made a lot of modifications to python, go lang code while being on the same position.
Being react frontend developer started a lot of projects inside different companies, with/without using TypeScript and Flow (once). Completed a lot of features.
I developed for production with using of such technologies, tools and methodologies (kind of historical order):
- jQuery, Drupal 6, google maps api
- ExtJS 3.4/4, OpenLayers, Leaflet, svn, git
- Custom PHP toolset for social network service
- Backbone.js, require.js, grunt, gulp, BEM, SCSS
- React.js, flux, redux, less, webpack 1/2, knockout.js, node.js (express, koa)
- TypeScript, Flow, redux-saga

Also I have some experience with SQL (mysql, postgres), mongo, Java (spring boot), Go, Python, Docker, different PHP CMSes with developing modules/plugins/full sites (joomla, prestashop, opencart, wordpress), CoffeeScript, Erlang, Stylus, d3.js, pixi.js. I used it for freelance or for main job unofficially.