I'm looking for a part time job.

我正在找兼职工作。

He had an excess income from his part time job.

他通过兼职有一份额外的收入。

Then, search the job banks using "part-time", "part time" or "part time job" as keywords.

然后在搜索栏中用“兼职”这样的关键字搜索。

If you have time outside of your academic and social life, consider taking on a part time job to make extra money.

如果除了学术和社交活动你还有足够的时间，考虑从事一份兼职来赚点外快。

She's got a part-time job for which she earns 2,000 yen a month.

她得到了一份每月挣2000日元的兼职工作。