ADVANCED python blockchain expert - code review support

hello we are looking for a freelancer to help us review a code and split it in to a deferent parts to help our team achieving our goals in less time our tasks required the following: 1- reviewing the database structure 2- reviewing the code flow structure 3- helping us fixing size block issue 4- improving mining process issue 5- reducing statistics load on database and splitting it to a different db 6- helping us on fixing referral issue thanks and regards MJ