Need Bitrix programmer

An experienced programmer is required for bitrix for constant work of 5-20 hours per month.

There is a closed internal system on bitrix connected to the corporate Bitrix 24 (cloud). The essence of the system is to take data about tasks, clients from B24 and display them in a convenient form for us, as well as unload, filter, etc. The system constantly appears new works and improvements to the old functionality.
The developer who implemented the system is not in touch, so we are looking for a new one for constant cooperation.