How much money do you make now? It might be worth it to just try to max out your earnings in your current field, and then pursue mech/EE as a hobby. Also, cons

How much money do you make now? It might be worth it to just try to max out your earnings in your current field, and then pursue mech/EE as a hobby. Also, consider the possibility that you could land an EE job after obtaining a degree, and then your job becomes doing in-house software development because you're the best at it among your coworkers.