When choosing developers for your mobile applications you need someone with extensive experience creating high-quality apps while also prioritizing their security measures & practices pertaining both internal & external threats. Look for expertise in areas like encryption technologies (i.e., SSL/TLS), established best-practices within industry trends/standards which demonstrate commitment towards securing future releases; if possible collaborate with certified professionals who possess relevant certifications demonstrating skills mastery around relevant technologies (i.e., OWASP AppSec Pro).