Hi,
Greetings!...
I have 10+ years of experience in Core PHP, CodeIgniter, Laravel, MySQL, API development, JavaScript, and Third-party API/ Payment Gateway Integrations.
I can create function back to merchant call back URL after payment using Paymongo gateway, provide require development support and deliver them perfectly.
You can rest assured, your work will be delivered well in advance of others, with passion and accuracy. I guarantee you instant communication and responses when you need me.
I would really like to work with you on this project. If interested, please contact me via chat for further details and discussion to take forward this project.
Thank you.