We need to write a simple messaging application that would allow two people to exchange text messages using a web interface. It can be as simple as window with the chat history and the text input to send new messages.
We don't need to make the UI beautiful (however, that surely helps). The primary focus should be on the logic, application structure, and sticking to programming best practices.
The "backend engineers" have provided us with the basic API. In our case it is just a mock located in src/api-mock/api.ts. We as the frontend engineers can influence the API decisions made by the backend team. If we think that we need a better API, we can edit the mocks to make the API more suited to our task (as if we asked the backend team to do that).
Does something need testing? What, why, and how?
Think aloud! This help the interviewer understand your thought process and help you along the way.
You are absolutely encouraged to use whatever resources you need. Here are just a few: