Express API with PostgreSQL interaction and OpenPay

I will provide all instructions on what tables and fields need to be queried and how the request and response json structures should be expected. Functions are the following: GET (a Select* query of a couple of tables) POST request to tokenize a credit card with open pay and INSERT some data of credit card in DB POST request to pre-authorize charge with OpenPay and INSERT some data into 3 tables POST request that will do a SELECT* of a table GET request with a Select* of three tables with a simple join That's it. We're top buyers with excellent feedback so you won't have any surprises or bad experience working with us. We will be working on an EC2 instance and GIT repository. We need to begin immediately