App developer

 App development refers to the process of designing, developing and implementing software applications for use on mobile devices such as smartphones, tablets or other portable devices. App development can include both native apps that are designed specifically for a certain platform such as iOS or Android, as well as cross-platform apps that can run on several different platforms.
There are several approaches to app development, and it is important to choose the one that best suits your goals and resources. In addition, it can be a good idea to involve experienced app developers, designers and testers in the process to ensure a successful app.