need flutter developer to create small unique app for me or modify an flutter app for me i have codes.

need flutter developer to create small unique app for me or modify flutter app for me i have codes.. freelancer new comers welcome to establish there profile on freelancer. It is a mobile application similar to a Facebook group, where people can post about eating healthy, losing weight, sharing recipes, goals achieved, everything related to good health, they can create group challenges with a limited number of people and in a certain time later If the time is up, it will be automatically eliminated, these challenges will have a detail of the exercise plan and meal plan, etc., the interaction of these group challenges is similar to a WhatsApp group.