You can either take the route of doing financial software, data science, ML and web dev _for a game company_, or you can start making games in your free time an

You can either take the route of doing financial software, data science, ML and web dev _for a game company_, or you can start making games in your free time and then attempt a pivot. I think the first path is probably easier and more lucrative, but will have a much longer time difference in terms of getting you where you want to go.