Barney Barney in the romance of mom and dad. What exactly is his job?

We can guess his true identity from the previous story. As he said in the third episode of the first season, he is really an international businessman.

Foreigners who have dealt with him in the play include China, North Korea and Portugal, which shows that he plays the role of a cross-border trade middleman in all aspects, and is likely to be an agent for overseas distribution of multinational companies. There are many multinational companies like him in America.

So, following all kinds of plots, we can guess that he is doing such a big business.

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He may not be the boss, but he must be an important vice president, making a lot of money.