Grey Shift built a website that integrates with our app. After COVID, we had to check the number of members in the gym every hour. We had an app that members used to book into sessions, and Grey Shift connected it with the new website. They also built e-commerce capabilities into the site. Their team hosts the website and provides monthly maintenance.
JavaScript is written in almost the entire frontend - everything we can see on the Internet. And relatively recently it has settled in the backend, on smartphones, and even in the firmware of smart teapots
PHP is a common general-purpose open-source programming language. PHP is specially designed for web development and its code can be embedded directly into HTML.
Python is a scripting programming language. It is versatile, so it is suitable for a variety of tasks and for many platforms: from iOS and Android to server-side operating systems.
React.js is Facebook's JavaScript library* for easy development of interfaces, that is, the external part of sites and applications with which the user interacts.
.NET is a framework from Microsoft that allows you to use the same namespaces, libraries, and APIs for different languages. The most common are the four languages in the .NET family: C#; Visual Basic; C++; F#.
Ruby is mostly used in web development - the niche language is defined by the successful framework, Ruby on Rails. But there are other areas: scripting, deployment, security, and so on.