FrontEnd Developer

You are implementing a new product feature that will gives users a way to view, filter and interact with survey results - to see how their salary compares to the salary of their coworkers. 80% of users are on mobile, served by an existing Rails application. You have been provided with design mock-ups, and have the technical freedom in deciding how to build the interface.
*** How do you decide how to architect the frontend, including what technologies to use? ***

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