Hi;
What I understand from your description is that, you want to transfer Excel documents easily by an app to app that uses MySQL db as a backend. (If not, please explain) I'm really very experienced in these kinds of projects: an expert PHP programmer with some necessary skills to build complex webapps like MySQL, SQL Server and Sqlite databases with SQL query language; various Linux server administration skills like installing, modifying and optimizing servers like Apache, Nginx, Varnish, PHP accelerators.
Please check my bio, testimonials and exams I took to show my skills.
Feel free to ask questions, and I'll happily answer them.
Best Regards