Dear Islam, I have read your description as well.
As a professional mobile app developer for iOS and Android app with NFC, BLE communication, I would like to discuss your job details. As like you mentioned at your description, I can build your goal what you want exactly.
And also you will get the best result. I have 10+ years of experiences and best skill sets. I have worked with lots of companies and employers, and built many products for them.
If you hire me, I will do my best for your job. Looking forward to hearing from you. Thank you so much. Regards.