Vue, TS, Sass.

Front-end: Backbone.js, React, Vue.js, Three.js, SASS.

Back-end: Asp.NET Core MVC.

Over a dozen implemented AR-projects which included a User Interface and multiplayer modes.

Interface Development: front-end - JS, back-end - CG/PL.

Widget development for various CRM using WebRTC, I Apache Ant for building project.

I was in charge of client development and an emotional mark up system which supplied data for a neural education networks.

Development of Tornado service projects.

Created plug-ins for browsers (with a strong statistical back-end) and the foundation for IPhone applications.

I worked intently with WebRTC technology, vTiger CRM and wrote an API for the system using Perl framework Mojolicious.

Tech stack: HTML, CSS, PHP, JS, jQuery, SQL, nginx. CVS: Git. Unix shell scripting. 

I've worked with lots of PHP CMS systems building web sites (still the majority were built using Bitrix). Some projects were built using Yii framework and Twitter Bootstrap. While I built some projects from scratch, I also maintained various projects.

Makeup.

i implemented site improvements (fix bugs or add new functionality).I did a lot of work on Yii and pure JS.

Makeup

I had made site improvements (smale, both in PHP and JS).