VERY EASY FOR ME
As you can see in my review, I've done similar with yours
Hello.
I have read your description and I am so interested in your project.
I am confident in your project and I can finish it clearly on time.
I am well experienced and skillful Design Pattern, OOP, Java and C++ programmer.
I have +5 years of experience in software developing.
I have finished a lot of project like this.
I ensure the best quality of your project and to keep your deadline.
Please contact me kindly and let us discuss in more detail.
Working with me, you will have a good experience and good friend and save more time and money.
After complete project, I can support fixing bugs with free.
and support update features with low price.
Best regards!