Assistast back end Developer for LMS Online Education Platform in php.

Our organization own an online web platform writen in php. The structure is complicated and has many modules. We need one experienced in php developer as a new member of the team to work on daily basis (6/7) for 4 hours per day for long time with daily basis briefing. Every time we start a new module we set a timetable estimation but the project is hourly paid because every day we test and change our plans and directions if this is mandatory for the project.