Hello,
I seen your post so i am interested in this job for mobile application development for staff members communications for campaigns. He all able to communicate with each other.
I am senior mobile application developer myself having 8 years development experienced.
I have completed all types of features application like taxi booking, food ordering, social app for datting, booking application, job provider application etc.
Please come on chat for discussion, I will show you my previous work and we will discuss about your project.
Thanks