ASP.Net Core5 application Add some pages

Hi, please read my requirement carefully and bid on my project only 5+ year experienced candidate in ASP.Net core, MS SQL Server. Requirement: 1) Tax Regime Form, Tax definition form for GST Setup and a Item Tax class form 2) Develop a procedure at backend which can be called to apply accounting (accounting double entry fession): 3) Develop a price list form: description - Price list form should have two major sections ( A: Master- in which we will declare price list header level details like Price List short Name, Description, Start Date, End Date, Enabled Flag, Global Discount etc. B: Detail- Here will assign all types of items (Goods and Service Type item), Rate, Start date, End Date, discount etc. 4) Integrate this new price list form with existing sales and purchase order form (on these form at header level we will select price list and at detail level against selected items rate will come from that price list. 5) exiting Invoice and Payment Receipt report modification to show the GST tax detail(applied). 6) Manul Journal Entry Form with Journal Batch Entry form. Please bid that person only who has the sufficient knowledge of development in ASP.Net core and ERP development with India GST tax configuration and who can give the full time for development, I have the deadline to close this in 1 week.