Translation of "バイトで" in English

今からバイトです。

I'm going to my part-time job now.

ムリエルさんはバイトで細細と暮らしている。

- Muriel is living poorly off of her part-time job.
- Muriel is making a poor living from her part-time job.

友達が バイトで 接客や小売をする一方で

whilst my friends were getting hospitality jobs and retail work,

バイトで学費を稼ぎながら大学に通ってる。まあ苦学生ってとこかな。

I pay my university fees to go to university by part-time work. Well, I'm a 'working student' I suppose.