With over [X] years of experience in mobile app development, I have gained a wealth of knowledge and skills that align perfectly with the scope of your project. While my expertise lies primarily in Flutter, I am also well-versed in React Native, enhancing my proficiency in creating cross-platform applications compatible with both Android and iOS. I have successfully published numerous apps on both Google Play Store and Apple App Store and thus have hands-on familiarity with the entire process you require.
My understanding of generating AAB and IPA files, as well as signing apps with the correct keystores, provisioning profiles, and certificates complies to the expectations you've outlined. Moreover, I am extensively comfortable with the Google Play Console and App Store Connect interfaces which will ensure an efficient submission process for your app.
As someone who values user experiences highly, I consider app optimization and bug-resistance crucial. Using my UI/UX design skills to align your screenshots and app description with your vision, your app will have higher chances of approval during review processes. Lastly, clear communication is a priority for me, I assure you timely updates, transparency throughout the project duration, and a meticulously tested end product ensuring a hassle-free deployment process for you. Let's get started!