Cross-accounting Website Integration Needed

Job ID: 38470053

Budget: $30 – $250 USD

I am in need of a proficient web developer who can integrate two accounting websites.

Requirements:
- both websites should be linked so i can for instance; create an invoice on the first one and a duplicate will be made on the second one.
- i need both website to be linked in a way that data and transactions on both of them will be almost identical
- A seamless and automatic command creation on the second website for every action performed on the first website.
- a connection between both websites that will make reconciliation smoother and easier
- Both websites are currently not integrated and this process needs to be undertaken.

Ideal freelancer should have extensive experience in full-stack development, specifically in web integration. Excellent proficiency in accounting software and web API integration is a plus.
Related categories: PHP Accounting ASP.NET Data Integration Zapier