I'm getting straight to the point in this blog post. I get this question a lot and I know a bit about the topic just from researching for myself (I'm being hopeful). For those of you who are reading this and know Japanese extremely well, start considering taking the JLPT N2 or N1. The Japanese Language Proficiency Test goes from level 5 to 1, 5 being the lowest level. If you can pass the N2 or N1 test you can have the chance to work for a Japanese company. Not only that, but a lot of companies will be expecting you to have a four year college degree, or bachelors degree. You could work at a restaurant, an office, or some other regular job you could get in your own country. As much as English is becoming a universal language Japan is still majority Japanese which it should be.
Now, for those who don't have any proficiency in Japanese or even just a tad you are in the category of jobs for English speakers.There aren't many to choose from, and some jobs are harder to get than others. Let's go over some jobs.