Hey I'm a Senior Android Developer, your Job description hocked my Attention really fast, the idea of fixing Bugs to improve a App is really great.
So if you are interested in working with an expert, avoid problems and receive a great service then jump lets jump on free initial call(10min) and talk about the details, so I will be able to help you, in very effective way.
So make sure you can give me precise details, because I only work with professionals who are really interested in developing a market leading product.
Best Regards,
Semen Vyshnyevetsky