You took a big risk and made many sacrifices, but now all your work is paying off.
You went through a lot after your decision, but finally all your hard work is paying off.
All your work is paying off は「努力が報われて、いい方向に進んでるね」です、そして finally all your hard work is paying off は「やっと努力が報われて、いい方向に進んでるね」という意味です。
ですから、
You took a big risk and made many sacrifices, but now all your work is paying off. は「大きなリスクをとって、犠牲もたくさん払ったけど、今は努力が報われているね。」という意味です。
You went through a lot after your decision, but finally all your hard work is paying off.「決断した後、いろいろ大変だったけど今やっと努力が報われているね。」という意味です。
You went through a lot after changing your career, but now all your hard work is paying off. (キャリアチェンジして、色々あったけど、今は報われてるね)です。