PIXI.js expert needed for ongoing project

I have ongoing project with multiple tasks. Tasks will be added more and more. You will be not the only developer who will be working with project.

You should be familiar with PIXI.JS, you should be expert in it and provide some examples you already worked. The code should be object oriented, divided into classes, readable and reusable where it is necessary.
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It is drag and drop ‘game’. User is able to choose and drag different objects on ‘background’. User is able to rotate them, remove etc. This is more or less done.

First task: Add ability to write text. It consists of following steps:
a) Choose text icon from toolbox, when icon is pressed, cursor is changed to “text”
b) User can click somewhere and then he can type text there
c) When user clicks outside the text, the cursor is back to “normal” (pointer)
d) You should decide also how to achive this – user can edit existing text, he can also select it and press “delete” in toolbox (toolbox already has such button)
e) some clarifications will come

There is a list of other tasks.

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For the first task you should work using teamviewer or another similar software, so I will be able to follow your work. If this will go fine, then for other tasks you can work without it.