Karen Grigoryan, React Developer in Yerevan, Armenia
Karen Grigoryan

React Developer in Yerevan, Armenia

Member since December 2, 2020
Karen has over six years of hands-on experience developing web applications and pages from scratch—over 40 so far. He specializes in JavaScript-based software development, mainly React. However, he's passionate and knows how to get the most out of all three pillars of front-end development: HTML, CSS, JavaScript. Thanks to being a detail-oriented developer who pays extreme attention to the quality of the final product, you can trust Karen to deliver.
Karen is now available for hire

Portfolio

  • Digitain
    WebSockets, REST, SCSS, CSS3, Styled-components, Redux, React
  • Digitain
    PHP, Advanced Custom Fields (ACF), WordPress Themes, WordPress, SCSS, CSS3...
  • Enero Studio
    Vue 2, AngularJS, Styled-components, React, Symfony 2, Twig, JavaScript, SCSS...

Experience

  • CSS3 6 years
  • SCSS 6 years
  • HTML 6 years
  • JavaScript 5 years
  • Advanced Custom Fields (ACF) 5 years
  • Redux 3 years
  • React 3 years
  • Styled-components 3 years

Location

Yerevan, Armenia

Availability

Part-time

Preferred Environment

Figma, Sketch, Asana, Jira, Teams, Slack, WebStorm, Windows, MacOS

The most amazing...

...project I've been part of is 360 Stories—a VR and AR-based interactive live tours platform—where I developed a highly scalable front-end design system.

Employment

  • Lead Engineer

    2020 - 2021
    Digitain
    • Developed a sportsbook Asian view web application based on an app-wide theme system with reusable, highly customizable UI components.
    • Built a sports-generator web application that displays finished, ongoing, and upcoming sports event results with real-time updates and a minimalist responsive UI.
    • Created an application design system (based on CSS variables) that generates all the necessary background and foreground colors from four general ones. The system is used by four main applications developed by the team.
    • Managed a team of four junior and mid-level developers and delivered three mid-size projects.
    • Conducted more than 30 developer screenings (both JavaScript and CSS).
    Technologies: WebSockets, REST, SCSS, CSS3, Styled-components, Redux, React
  • Software Engineer

    2018 - 2020
    Digitain
    • Finalized the mobile version of a sportsbook web application. Improved overall performance, styling and skinning processes, integrated new React Hooks, lazy components, and Context API.
    • Developed Digitain's new official website based on WordPress, ACF, CPT, Twig (Timber), Gulp, and so on. Created reusable components for more than 30 web pages and provided an intuitive admin side for content management.
    • Created several packages in the company's registry which handle operations like resolving live streams, generating statistics of sports events, and more.
    • Fixed more than 450 bugs and added over 200 new features for three main projects.
    Technologies: PHP, Advanced Custom Fields (ACF), WordPress Themes, WordPress, SCSS, CSS3, Redux, React, JavaScript
  • Web Developer (Remote)

    2014 - 2020
    Enero Studio
    • Developed over ten projects for tour agencies and financial and administrative companies.
    • Worked with clients from Germany, Russia, and Armenia.
    • Created a web application for an online shoe store that lets the client customize shoes by choosing the colors, materials, design elements, and so on.
    Technologies: Vue 2, AngularJS, Styled-components, React, Symfony 2, Twig, JavaScript, SCSS, CSS3, HTML
  • Senior Front-end Developer

    2017 - 2018
    Vardanyan Studio
    • Developed over 15 websites and applications for enterprises and mid-sized companies.
    • Created UI-oriented web applications based on Vue.js for the control systems of industrial machines.
    • Supervised a group of four interns by conducting educational courses on the main web technologies (HTML, CSS, JavaScript, Vue.js) while also working on ongoing projects.
    • Developed several WordPress-based websites with custom themes and plugins.
    Technologies: PHP, Twig, Vue 2, JavaScript, SCSS, CSS3, HTML
  • Web Developer

    2015 - 2017
    Freelance
    • Created WordPress websites for companies based in Switzerland and Germany.
    • Developed small web applications and reusable packages.
    • Built four websites for nonprofit organizations that let visitors make donations and book meetings.
    Technologies: WordPress, Twig, jQuery, JavaScript, Bootstrap, SCSS, CSS3, HTML

Experience

  • 360 Stories
    http://www.360stories.com

    Project: This is a VR and AR-based interactive live tours platform.

    As the front-end developer, I worked on all the main pages, profile management pages, 360 viewer external controls, and interactive live tour web application.

    Project Highlights:
    • Over 40 Twig-based reusable components
    • Highly customized styling based on Bootstrap 4
    • Live tour styling based on CSS variables with interactive light/dark modes

  • Asian View Sports Book

    Project: A React-based sportsbook web application for players in Asia.

    I developed both the UI and the functional parts.

    Project Highlights:
    • A global theme-based styled system with reusable UI components
    • Easy and highly customizable skinning implementation
    • Centralized store based on Redux
    • Proxy-based HTTP client

  • Digitain's Official Website
    http://www.digitain.com

    Project: A WordPress based multi-language website.

    My goal was to develop an easily managed website with rich UI elements.

    Project Highlights:
    • Over 30 pages
    • Custom Twig (Timber)-based theme
    • Custom plugins with WordPress REST API endpoints
    • Interactive products pages
    • Advanced career page
    • Responsive layout
    • Component-based dynamic pages

Skills

  • Languages

    CSS3, SCSS, JavaScript, HTML, CSS, HTML5, TypeScript, PHP
  • Frameworks

    Bootstrap, Redux, Twig, React Native, Symfony 2, AngularJS, Next.js
  • Libraries/APIs

    React, jQuery, Vue 2
  • Tools

    Advanced Custom Fields (ACF), WebStorm, Slack, Jira, Asana, Sketch, Figma, Gulp
  • Paradigms

    Responsive Web Design (RWD), REST
  • Other

    Styled-components, Responsive UI, Teams, WordPress Themes, WebSockets
  • Platforms

    WordPress

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