Perfex CRM Workshop Repair Module Development

I'm looking for a developer to create a electronics repair module for Perfex CRM. The module should allow me to track repair orders, diagnostics, estimates.

create order work: take client info from database and auto assign an own order work numered
initial/creating stage:
input for type, model, serial number and accesories of equipment.
Input for task description from client

info/status update stage:
input for internal (private notes) (as in tickets)
input for public notes (as in tickets)
input for technical diagnostic
input table of items and price (as in estimates/invoices)

ability to mark as in progres, waiting aproval, acepted (then ability to convert in invoice)

creation of a PDF with the above information (the two stages)

ability to create an PDF containing the above info (as in estimates/invoices)
email template customisable to send:
on creation of work order
on update (public notes and items/price table) as in tickets

no client-side implementation, only admin

Skills and Experience:
- Proficiency in developing modules for Perfex CRM
- Excellent understanding of customer notification systems
- Prior experience with repair tracking systems will be an added advantage