Hello,
I think I can help you, it seems like you need accept all parameter from front-end and make request to another api and return response to requested client.
I am Sr. full stack developer with experience in JavaScript, NodeJS, AngularJS, Angular, ReactJS, Linux, Git, AWS, Nginx, etc. I have total 5+ years experience in web application development while 3+ years experience in NodeJS.
I am working here part time only while full time for a company. Let me know if any query, looking forward working with you.
Thanks