Hi,
I'm a full MEAN stack developer worked extensively on such application as an hired employee for more than two and a half years.
I'm new to freelancer but doing my freelancing for as long as one year on Upwork.
Check out my portfolio video of CAHelper..Web app developed by me solo using below tech.
Front-End - HTML, CSS, Javascript, JQuery, Typescript, Bootstrap
Framework - Angular, Node JS
Middleware - Express JS
Database - MYSQL, MariaDB
Other technologies include - C#, ASP.Net MVC, WSDL Services, ASP.Net Web API
Lets discuss more on chat.
Dhiraj