Dmitry Kudryavtsev

Frontend-developer is responsible for the external side of the site.

Frontenders create the appearance of the site - what you see when you get to the page on the Internet. They also organize the logical operation of the site's components: content, buttons, and internal links.

This person's job is not only to translate the design layout into code, but also to make everything work comfortably and quickly.

Key skills

• Writing for touch and mobile
• Working with Flexbox and JavaScript
• Ability to use variables, numbers, and strings correctly
• Creating prototype and constructor objects
• Use expressions in JavaScript
• Applying symbols, iterators and generators
• Import and export modules
• Creating interactive web pages
• Working with files and media
• Applying the principles of client-server interaction
• Creating single-page web applications (SPA)
• React library skills, JSX, React router

Working tools

JavaScript
The most popular programming language for developing web applications. The only language that is supported on all devices and platforms.

JSX
An extension to the standard JavaScript syntax. Allows you to write very HTML-like code directly in JavaScript code, simplifying the creation of React components and improving code readability. JSX is converted to JavaScript before execution.

XHR и AJAX
Asynchronous JavaScript And XML (AJAX) - a technology to address the server without reloading the page. It is used to implement interface elements, dynamic data loading. XMLHttpRequest (XHR) object makes it possible to make such HTTP-requests.

React
A simple and easy-to-use JavaScript library for creating user interfaces. React provides a virtual DOM API for interacting between code and the real DOM. It is based on the use of components - parts of the user interface that contain markup and functionality.

VirtualDOM
The technique and set of libraries / algorithms that improve client-side performance.

Flexbox
With Flexbox you can easily align elements horizontally and vertically, change the direction and order of elements, stretch blocks to full height or nail them to the bottom edge.

React Router
Provides basic functions and components to work in two environments (browser and react-native).

HTML5
A language for structuring and presenting Internet content. HTML version 5 improves multimedia support while maintaining backward compatibility, human readability and easy parsing for parsers.

CSS3
A language for describing the appearance of the pages of the site. CSS3 features - creating animations without using JavaScript, support for gradients, shadows and more.

GitHub
GitHub is the largest web service for developers to collaborate on code and host projects. GitHub is based on the GIT version control system.