ZOHO Creator and CRM POS Modules with 2way sync

I am seeking an experienced programmer to create a POS system using Zoho Creator and Zoho CRM. The integration should be capable of bi-directional syncing, so that information about products, customers, and orders flows regularly and seamlessly between the two systems. The programmer should be comfortable covering both the Zoho Creator and CRM sides of the integration, as well as any associated coding and development tasks. Additionally, while we do not require technical support after implementation - this is something we'd like to have the option of exploring if necessary - so I would like the freelancer to be available for consultations and discussions post-implementation.