The job that I really want to do doesn't pay very well.
I can't make much money at my dream job.
1) The job that I really want to do doesn't pay very well.
「本当にやりたい仕事は給料が良くない。」
pay well で「給料が良い」
2) I can't make much money at my dream job.
「なりたい職業だとあまりお金を稼げない。」
make money で「稼ぐ」
「本当にやりたい仕事」は
the job that I really want to do
one's dream job
などと言えます。
ご参考になれば幸いです！
日本 
