Ruby on Rails Developer for a 3-sided web app connected to an engineering analysis managing server

We need one Ruby on Rails web application developer for creating an MVP for our [login to view URL] . The website will provide a platform for crowd-sourced engineering calculations. This will involve three sides each with their own dashboards. The three sides are : Providers, Publishers, and Subscribers. - Providers are Engineering Software producer companies whose software come with automation features - Publishers are Power-users of those engineering software who are able to create automation macros within the framework of the software - Subscribers are practicing engineering professionals who are interested in using “macro-models”, which means modeling well-defined engineering problems via the automation macros created by power-users The Rails app will interact with a main calculations management API server (separate job) to create different macro-models and receive their output. A requirements document for this job is currently available with: - wire-frames of important pages and description of their functionality - description of connection point with the main calculations management API server - a general class diagram for the Rails models. This job post is the First post in a series of three posts for developing our MVP for macromodeler.com. You may check the other two job posts here: The calculations management API server: https://www.freelancer.com/projects/amazon-web-services/AWS-developer-for-developing/details The Excel calculator API server: https://www.freelancer.com/projects/web-api/API-server-needed-for-using/