FreelancersОлексій Ситар

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Ukraine Vinnytsia, Ukraine
6 months 23 days ago
Available for hire available for hire
registered for 2 years

  • mysql
  • javascript
  • mongodb
  • node.js
  • android developer
  • react.js
  • iOS Developer
  • Firebase
  • React Native
  • Full Stack Developer
  • react/redux
Freelancer Олексій С. — Ukraine, Vinnytsia. Specialization — JavaScript, Node.js


JavaScript 1
1097 place out of 5808
81 place out of 488
Overall ranking 2
  23521 place out of 279074

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•CSS, Sass, Less, PostCSS

•JS (with new standards)

•React/Redux, AngularJS

•UI frameworks, UI component libs, etc.

•Electron.js - lib for cross platform desktop development

•Node.js, MongoDB, Firebase

•(back-end) microservice architecture understanding

•webpack, gulp, browserify etc.


•version control system Git

•bitbucket with JIRA project management

•MacOS, Linux, Windows user.


•Cloud services: AWS, GCP


JavaScript Software Engineer

Sep 2016 - Feb 2018 (1 year 5 month)

Gemicle Inc

Project - - truck management system for USA market.

Technologies list:

- Angular.js

- React/Redux

- Electron.js

- Webpack, Gulp

- Docker

- Node.js

Front-end developer

Feb 2016 - Sep 2016 (8 months)

MemCrab studio 

Project - Megasport

- Angular.js

- PostCss

- Webpack

- Node.js

- npm

React.js/Redux, Angular.js, JS(ES6), PostCss, Webpack, npm, node.js, and other.

Front-end developer

Oct 2015 - Feb 2016 (5 months)

Freelancer (

Remote developer of client side of system "" and "". Responsibilities: Create HTML&Sass code, compile sass to CSS with help Compass. Using Bootstrap and AngularJS adapted bootstrap UI patterns. Create simple AngularJS directive and controllers. Using bower packet manager. And else commit this on the server with help Git version control system.

Front-end developer

Aug 2014 - Oct 2015 (1 year 3 months)

Dream-Line (

PSD to html. Editing sites at CMS WordPress, Joomla. Developing slider, parallax backgrounds, css3 animations, svg animations etc. Working with different kinds of difficulty JavaScript. Using jQuery in combination with JS, GSAP, three.js. Working with Json data.

Laboratory assistant

Aug 2013 - Jun 2014 (11 months)

Training Center of Civil Protection and Life Safety of Vinnitsa region and Vinnitsa

Installing OS, protective, office and special software on computers. Setting and tracking serviceability LAN. Configuring routers. Administrating, making simple changes in site design. Placing articles. Developing printed products (posters, flyers) in Photoshop, CorelDraw. Preparing a weekly report. Have a workbook.


Vinnitsa National Technical University (Vinnitsa, Ukraine)

A specialist in information security in information and communications systems, Department of Information Security.  Bachelor

Language skills

English - intermediate

Ukrainian - native 





Комплексна система для масової обробки заявок на покупку товарів.

Стек технологій:
- React/Redux
- Node.js
- Firebase
- MongoDB
- LQPay
- Telegram BOT API
- "Nova poshta" API
- Facebook Lead ADS API
- Docker

  11  0


  Recent proposals 10
Develop a website platform in JavaScript from scratch
300 000
Разработчик для работы с Back-End на проект (Львов)
25 000
Сделать приложение для Android и IOS
50 000
15 000
Сайт-агрегатор по онлайн-бронированию яхт
110 000
Требуется опытный разработчик Front End
45 000
Разработка сайта на базе React и NodeJS
60 000
Senior React Native
1 000
Нужен верстальщик (React.js + Vue.js) для внесения правок в проект
1 000
Нужно создать UI на react.js для игр слотов на canvas
1 000