PriorityButton says,

Excellent guru to work with. Very sharp when solving the requirements. For sure, will be kept in the contact list, for future projects.

for proof of concept in Qt on Dec 16, 2015

Ray 39 says,

Excellent C++/Qt programmer! Awesome to work with, talented, very professional, motivated, easy to communicate and most importantly very proactive (all too rare quality when it comes to working with freelancers). Highly recommended!

for Qx Explorer II on Sep 26, 2015