Calculator for a group of products of the store

Web developer services are required. We are looking for a professional, reliable front-end developer for a constant flow of projects in the field of e-commerce. Examples of tasks to be worked on:

- Refining the functionality of the site using client scripts JS, jQuery, React, client validation, implementation of interactions with third-party servers on the client side.
- HTML/CSS/Bootstrap layout

Technology stack

Minimum required skills:
- HTML.
- CSS.

Preferably (Nice to have):
- Bootstrap.
- Less, Sass.
JS.
- JQuery.
- React.
Ability to work with deployment systems such as grunt

General requirements:
Employment from 20-40 hours per week
- Readiness and ability to work according to a clear algorithm:
Evaluation of the task
(2) Performance, payment at initial valuation
- High degree of responsibility
Access to internal chat communication at a specified time
English - reading and understanding documentation, commenting on code

In the attachment - a description of the task that we propose to evaluate and then perform at the start.
If successful, we are ready to offer further permanent cooperation – work on international projects.

We'd be happy to answer questions.