Need a Flutter expert

I have a small project. current project in android want to convert into flutters - just convertion budget is 250 NZD for now only these functions to convert - budget : 70NZD. I have an ongoing project. you might use it or not. 1)Registration 2)send booking from backend 3)User - accept or rject, if rject, tell reason 4)route flow in the map 5) show in trip history if your work is good, then will award entire project.