Finding great mobile app developers is not easy, but I have a great site that can help you a lot. I'm a budding businessman, I have my own online store, but I didn't even know where to start.
https://seclgroup.com/15-websites-and-web-apps-built-with-django/ - helped me in this, the result exceeded all my expectations. https://seclgroup.com/discovery-phase-features-for-large-web-projects/ They have many projects, all you have to do is go to their website and see for yourself.