part-time shop assistant

I work.

私は働きます

I work as a part-time assistant.

私は臨時店員として働きます

I work as a part-time assistant every weekend.

私は臨時店員として毎週末働きます

I work as a part-time assistant at the cafe every weekend.

私は臨時店員として毎週末喫茶店で働きます

I work as a part-time assistant at the cafe with my friend every weekend.

私は臨時店員として毎週末喫茶店で友人と働きます