Use I am for your name or job and I live in for your home location. I’m is the short form of I am. Capitalise names and finish a statement with a full stop.
Practical examples
I am Noor. I live in London.
أنا نور. أسكن في لندن.
I am a designer. Nice to meet you.
أنا مصمم. سعيد بلقائك.
My name is Omar, and I work in a hotel.
اسمي عمر وأعمل في فندق.