Hello,
Just wondering if the requirement is still open, so trying to check back if there is any update for me. Kindly revert back soon!
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I have reviewed the attached documents and very clear with it. Frankly speaking, this area is not new for us, I have experience developing food ordering and delivery apps similar to your requirements. Also, have great experience working with firebase, push notification, tracking, chat messaging, payment services, etc.
I suggest, let's have a chat/call for further discussion. Look forward to hearing from you soon!
Regards,
Hitendra