I know how to program excellent looking UI of websites with HTML, CSS, JavaScript & Bootstrap. I also use React for Frontend sometimes.
I am an experienced Backend Web Developer with descent knowledge in Django, Node JS, Express JS. For the database I use MonoDB, Mysql, Sqlite3 and Postgresql.
As I know both the Frontend and Backend, so I'm a Full Stack Web Developer. For development, I use Django, Python, HTML, CSS, JavaScript, React, Node JS, Express JS depending on the needs and size of the project.
I'm a well experienced Android App Developer. For making the Frontend of apps, I use Dart , Flutter and I often use GetX for state management. For backend I use either Rest Api or Firebase. I can make website and app which run on the same backend.
I use Dart, Flutter, Firebase / Rest API for programming the IOS apps. FLutter is a very poweful framework for programming both android and ios apps using the same codebase which makes it very convenient to use and Flutter apps have excellent performance.
I can program Rest API which are used in many places. To make Rest APIs I either use Django REST Framework + (Mysql / Sqllite / Postgresql) or Express JS + Node JS + MongoDB.