Absolutely! Many Japanese companies are looking for foreigners who can speak Japanese.
With this level of Japanese, you will find work in Japan as long as you have a level of education higher than a high school's degree, or have significant experience in your professional field.
Depending on your background and skills, there may be many headhunters looking for you. And if you return to your country, you will also have many opportunities in companies that work with Japanese companies, or in branches of Japanese companies.