Write some software

I would say that I am a versatile person. I have conducted various types of works before including jobs similar to your project. I believe that to become irreplaceable, one should be different every day. So, I change my methods and criteria for the succession of a project. That’s why I’m confident that I not only meet but exceed all of the requirements for this project. If you give me the opportunity, I will not give you any chance to complete and that’s a promise. This is why I believe that I am your best option and this is the very reason, I believe you should hire me.

As the job description says absolutely nothing about the scope of the project, the bid is based on just a minimum amount of work, but I've been developing for 30 years on Macs (Mac OS/Mac OS X/macOS) so this sounds like a project that is doable. Please give me a better description and I will give you a price based on that.