To make interchangeable Invoice and Credit Templates. The Templates are made by us with LibreOffice and must be changed to pdf without loosing calculations. They will be filled out on our server, to be send by email.
1) LO Calc spreadsheets for addresses, with interchangeable background image of Invoices and Credit Notes.
2) Software to change the ods files to pdf, without loosing calculations !
3) Asterisk CEL (not CRM) to be used, to fill Cells on spreadsheet.
This is not a standard project ! Very good knowledge of Billing software and Asterisk PBX is needed. Good communications are necessary !
See attachment for more info.
10 freelancers are bidding on average $622 for this job
Dear Client As a senior developer, have rich experiences with pdf generation like invoice making And also have good skills with Node.js with sending email with invoice Please contact and let's discuss more Best Regards
i will have done this work very fast with precision. this amount is very low from normal rate in the market but i only ask for this amount coz i only want to spend my time in this lockdown with doing some work.