customised Back end with proforma invoice with an order form for production along with the dashboard

we are looking a good coder plus designer who can make our thought into application with hosting on the cloud and app-based on android and apple ? details mentioned in para and attached the file our vision and understanding is very much clear what we want so we have written and explained in details, as it Is the small part of the work, just to check who can understand our work , as we need to make the production software and miantiance software , purchasing software too, but we are moving with the pi and order and explain which language you are using and we need all the codes with, and it is unlimited users and with every year back end  we need unlimited no of excess of our company company master employee demarcation: view/ edit, delete , add, print , app view, app edit , app details , app add, app print 1. customer details add in back end with account id or short name , prices are different of every customer with COMPANY article no and colour AND INCLUDING CUSTOMER PRODUCT NAME  FOR EG:  32-1412 WHITE (  32 MM IS THE WIDTH OF THE ELASTICS AND 1412 IS THE CODE OF THE COMPANY TO SUPPLY THE GOODS)CUSTOMER CODE: 3/4'' SPANDEX ELASTICS WHITE owner name: at least 4employee name at least 10 with phone number and email address and need mail optionsbuyer name add with each employee so that know who is handling which business need all separate reports toowe can upload the visiting card too hsn code number should mention and come in pi design with company logo and colour full any discount should be mentioned at back end onlymost important customer rating for payment customer rating to deliver the goods NEED THIS ON CLOUD HOSTING AND IN MOBILE APP TOO WITH ANDROID AND APPLE  PROFORMA INVOICE SENT  AUTO E-MAIL WITH PREDEFINED LETTER TO THE CUSTOMER TO CONFIRM THE PI FROM CUSTOMER END  AND  SHOULD GO IN PDF  WE CAN VIEW OR SAVE THE PI IN PDF AND EXCEL FORMAT  REMINDER AUTO GENERATE UNTIL THE PI IS APPROVED, IF APPROVED - SEND THE PREDEFINED LETTER TO THE CUSTOMER - FOR ACCEPTING THE PI , NEED TO GIVE THANKS  WHEN EVER THE EMPLOYEE OPEN THE APPLICATION, IT ALWAYS HAVE A SMILE EMOJIS AND SAY GOOD EVENING OR GOOD MORNING AS PER TIME, SO THAT THE MOOD COMES GOOD AND PREDEFINED ONELINER MOTIVATIONAL MESSAGE SHOULD APPEAR  AFTER THE PI , IT SHOULD CONVERTS TO ORDER FOR PRODUCTION any help u can discuss