ERC-20 Token integration

Hello professionals,

We are looking for developer experienced on Ethereum blokcchain and ERC-20 and we will integrate our already deployed ERC-20 token to another chains.

We have some tasks to do at below;

1- ERC-20 token integration to "Multichain.org"
2- ERC-20 token integration to "Reef Chain"

Need detailed guide to implement by our end.

All tasks delivery time : 3 days
Budget is : 500 EUR

Thank you.