Hello,
Myself Ashish, I'm a Full-Stack App Developer. I have been developing and successfully rolling out production apps from last 4 years. Since last 2.5 years, Flutter is my main tool to build Apps.
I can help you with the issues you are having with your application and make it production ready. I am new here on Freelancer but I am confident to deliver you the best value of your money.
Thank You
Ashish Bhakhand