Perfex CRM need to make few Extension / Plugin

Hello,

We need to make few extension /plugin for PerfexCRM.

NOTE - I do not want to do any customization on default PerfexCRM.
I want only few extension to make. details requirement about extension I will send on PM to the right candidate.

If you have good experience for working with PerfexCRM and making extension and comfortable to do this work and deliver fast then ONLY BID

Thanks!