Make a lot of small and medium edits in the store on Bitrix

Make a lot of small and medium edits in the store on Bitrix
There are basic components, there are custom modules and components - you need to be able to work with this
From you examples of shops with custom and hour rate
I work with you directly or as an agency. I am also ready to consider the option where the agency gives a programmer and we work.
The work requires involvement and compliance with deadlines.