We need a full stack php devloper to make changes in our website

Languages required : php, html, css, javascript
we have a SaaS website .
changes to be made:
1.need to integrate zomato and Swiggy on our platform
2.need to create a table reservation option
3.need some changes with payment integration
4.few changes in frontend
and some more small changes which we will discuss.
all the developers who can help us solve the problem kindly reach us out.
Depending on the work we can pay more than mentioned.