The programmer is required to move 1C from 7.7 to 8.3

Requires specialist 1C 8.3 for going from 7.7 to 8.3. (and periodic revisions)
Counseling and assessing the need to transition from 7.7 to 8.3.
Moving the database, updating and tuning 8.3.
8.3 connection with the site and With the CRM 1.
The creation of ne