Hello
As per my understanding you are looking for a Moodle Developer who can Customize & Integrate Moodle with Third Party API.
I would like to tell you that I am working on Moodle Framework From last 8 Years.I have worked on its different versions such as 1.x, 2.x and now 3.x.
I can develop,customize its any kind of Module,Plugin,Theme or Functionality & Integrate Moodle with any platform or Third party API's.
-> Can you please share the scope of work so that i will review & suggest you approach as well as estimation to do that ?
I Offer Following Services:-
Configuring Website
Moodle Customization
Moodle API integration (Whiteboard, bigbluebutton, virtual classroom etc)
Single Sign On with an existing application
Admin Section Configuration
Upgrade,Update & Migration
Module,Plugin Development
Theme Development
Payment Gateway Integration
I don't believe hung link of the list.I believe communication is key to any successful project.
Thanks & Regards
HS Virasat Solutions