Based on the expertise, it is recommended to build a custom social media websites due to their high performance, stability, security, and high-level of optimization. For the web front-end side the programming languages: JavaScript, ES6+, Typescript and markup languages: HTML5, CSS3, Sass, Stylus can be utilized. As for the back-end development, the Ruby programming language (Ruby on Rails frameworks) can be used. Amazon Web Services is a great option for cloud storage.