Hi There,
I can create module for you similar like mega upload addon that will compatible with EE3.
Please find my views with estimate in attached link, I can't add my reply here because of word limit of freelancer.com.
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I have created many custom modules before , though not for EE3 as I haven't received any request till yet from any client however I can create custom module for ee3, I just need feature list from you.
I have sufficient experience in EE plugins, extensions and module development. Few of my commercial add-ons can be seen here at [login to view URL]
We are at Expression engine Pro network:
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EE related portfolios can be seen here:
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Upwork profile - [login to view URL]~015405d5d8a656a6fe/
( we have great reviews on it for EE projects.)
Please open PBM for further discussion.
I look forward to hearing from you.
Regards
Dipal