I have read your requirement about mobile application development.
We have strong experience with Ionic, React native, Flutter .
I've been experience about PHP,JavaScript, Node JS, AgularJS and others.
With over 6 years of experience in HTML, CSS, JavaScript, Ionic Typescript, Ionic framework + Native app APIs, create API with third party plugins.
Also We have good experience with flutter, material design, components ,firebase, unit testing, mockito, rest api , Google Maps Flutter,models and many more….