Hello
As per my understanding you are looking for a Moodle Expert to assist you on make some customization & adding some functionality within Module.
As a Moodle Expert,I can customize its any kind of an existing Module,Plugin & Functionality & also can develop as per the requirement of the client.
I would like to tell you that I am working on Moodle Platform from last 7 years.I have worked on its different versions such as 1.x, 2.x and now 3.x.
I have worked extensively with Moodle,PHP,MySQL,HTML,CSS,Javascript,Ajax both in Linux & Windows Environment.
I am looking forward to discuss the job specifications with you,which ensures both the parties are on the same page before moving ahead.
Thanks & Regards
HS Virasat Solutions