Import Script for Platform (NodeJS/PHP)

We are looking for a specialist to create a import script for our internal CRM.

Requirements
Experience with building scripts ideally with NodeJS or PHP

Script Requirements
- Field mapping of CSV and Field in the CRM
- Duplicate recognition in the import CSV
- Failed records should marked failed

We have detailed document available for review

We will provide API key/API access - you do not need back-end access to build this script