Former Analyst at DHL and Former Business Intelligence at Go-Jek. Specialized in Logistics, Data Analysis, Process Improvements, Continuous Improvement, and Issue Resolution
First, you need to consult with someone who understands the complexity of the app that you request it. This person can be your friends who have background in CS or IT. Usually, people usually hire some freelancer or developer team and you pay it hourly. Once finished, you can just ask those team to migrate the ownership to you and hire some freshgrads in computer to just do maintenance of your app. you can check https://www.freelancer.com/.