Required Java,REST freelancer for Swiggy, Zomato, Food Panda integration in my POS job

I am looking for someone who can integrate Zomato, Swiggy & Foodpanda (India) into my restaurant ordering system. My POS software was built on Java .
Integration should be in such a way that it will allow me to accept orders directly on PoS!
Should allow me to update the menu
Should allow to update the Out Of Stock

Please note I also need a support which can help me to get API's from these third part vendors

Skills & Expertise Required

Java REST