As a seasoned professional, I have developed a wide range of Android applications over the past 5+ years, particularly excelling in Firebase, Google Admob and Google In-app purchase integrations. My experience with both Java and Android app development aligns me perfectly with your project needs. I’ve tackled similar projects where existing logic needed UI changes and bug fixes successfully.
Furthermore, with OTUSONE at my back, you gain not only a developer but also an entire team. This means we can handle your project holistically: designing the user-friendly UI improvements, ensuring it's crash-free & upgrading your in-app system while targeting higher UX through Google Auth login.
Our qualities of being organized, resourceful, self-motivated along client's vision are what set us apart, not just as developers but also as solution providers. With OTUSONE, rest assured that your multi-account app will be carefully crafted and meticulously fine-tuned to solve any crashes or inconsistencies ensuring its efficiency, scalability and improvement on every level. Let's breathe new life into your app!