iOS Mobile App

I am looking for an experienced iOS developer to create a productivity mobile app based on my complete design. The app should have basic functionality only, with no need for additional or advanced features. Ideal candidates should have experience in developing iOS apps for productivity purposes. We already have android version of app. It involves user auth through active directory, In total approx 30 screens including dialogues, pop up etc. It will involve API to fetch data based on various criterias, show/hide data in different screen based on results & user/access control. It will also need notifications (integration with firebase) to show alerts to user based on centralised system/work flow. Entire app needs to be hosted in App Store & hired engineer/company need to ensure this milestone as well. it shd support iOS handphones 9 or above.

We are expecting this to be completed in approx 2 to 3 months. Looking for credible experienced resource or company with previous similar experience.

Once we evaluate the credentials & agree fee (milestone linked payment), we will share details post signature of NDA,