Position: Senior Frontend Developer
Category: JavaScript
English level: upper
Years of experience: 5

One of the top developers in company on a joint call of the entire company called my development "It the best that has happened to the project in the last five years!", I proud of it))
May 2018 - October 2019 - worked on freelance. 
 - created lots of landing pages - responsive/adaptive, cross-browsers, perfect pixel from PSD to HTML(If you know what I mean;). 
 - supported online store: refactored styles - removed duplicates and optimised selectors, developed new interfaces and (NO GOD! PLEASE NO!!!) fixed styles on production
- created UI for IT company's site
List of technologies which I used for all of this (sh...): HTML5/PUG, CSS3/SASS,  JS, jQuery, Slick, Maps JavaScript API, Gulp, Yarn, CSS-modules/BEM-methodology, Figma, Avocode and many, many others
October 2019 - October 2020 - Junior Front End Developer(ReactJS) in Ukrainian product company that works in the field of security and protection. 
 Worked on interfaces for security system control and centralised online (24/7) real time monitoring of protected objects and the ability to quickly respond to the signals of the devices from browser.
 - iteratively rewrote app from JS to TS
 - developed new features and fixed bugs
 - optimised code performance
 - refactored code: removed code duplication, rewrote code according to Clean code principles and modern standards
 - pair programming
 - team works
 - mentored interns and junior developers
Technologies that I used in the project: JS(ES6+) + TS, React + Redux, React Router, React Select, React final forms, i18n and lots of others React and JS libraries, HTML5/SCSS, REST API, WebSocket
October 2020 - December 2021 - Frontend developer in Ukrainian product company that created a video streaming platform for the markets of the USA, Canada, Australia, and Western Europe
Worked with all parts of the product:
 - solved architecture problems, code refactored and supported legacy code in infrastructure team,
 - solved problems, developed new features and fixed bugs with video flows in stream team,
 - created and implemented new features in RnD team with A/B testing and also collected new features statistics
Stack of technologies: JS(ES6+), Flow.js, React.js, Redux, React Router, Styled-components, i18next, WebSocket
December 2021 - now - working in outsource company that focuses on DeFi, FinTech, and Green Finance fields
Developed lots of MVPs with blockchain integrations (NFT marketplaces, mutual funds, investments projects)
I use modern standards and a lot of new libraries for developing web APPs: TypeScript, React.js (with context and hooks), Next.js, Redux.js toolkit, React Router, Material UI components, SCSS modules, Axios, Formik
I wouldn't like to development in such areas as Adult, Dating and Gambling because it is just not my areas