I need a developer who upgrade my application. I will write the code in html file I want to run the ent will be done after successful completion of the projects.

I need a developer who upgrade my application. I will write the code in html file I want to run the code and get output of that code. I want to run any code get the output. Payment will be done after successful completion of the project. I don't share my code I will share my screen to you and write the code if it works I will pay you and if not works so don't tell me to pay half payment like that. Price :-1000