Multiple API integration & Listing search adjustment

We are looking for a full stack developer(s) to help update & add a few API integrations to our platform which is a web application built with AngularJS on the front-end & Python Django backend. The website which will be worked on is live at [login to view URL] 1. We need four listing apis integrated to fetch & (daily/weekly) cache for quicker searchability the active listings on the platform to be searchable through the main search function which has already been set up. The listings will need to be searchable by university, city, state, country & zipcode in a single search bar without adjusting a filter so the data will have to be made accessible in this manner. The apis which will be utilized are : a. [login to view URL] b. [login to view URL] c. [login to view URL] d. [login to view URL] 2. The lease documents that are created need to be made viewable & downloadable within the lease generation function that we've created 3. Ability to invite another person to cosign a lease 4. Adjustment of our Stripe API integration to facilitate person-to-person recurring payments through the platform.