Complete Custom Accounts Program

I'm looking for an experienced developer to finish off a custom-made accounts program running on Windows. The program is nearly complete but needs some critical functionalities added and updates to align with the latest trends. Key Requirements: - Reporting Features: Develop comprehensive financial, sales, and inventory reports. - Invoicing System: Implement a robust invoicing system. - Final Configuration: Finish configuring the program for seamless operation. Ideal Skills and Experience: - Strong background in accounting software development. - Proficiency in Windows application development. - Experience with reporting tools and invoicing systems. - Ability to update and modernize existing software. Please provide examples of similar work done. add easy jod sheet site sheets into a statement like history for the clients be able to use it on the phone cloud back easy instal on a new laptop ETC work finish of construction like interm record payments, claims and balances , to able to add materila or allocate material cost on the client flier and or on the cas book