If you have a strong story about code you have produced, preferably FOSS people can go look at, that is worth more than a second degree. The first degree alrea

If you have a strong story about code you have produced, preferably FOSS people can go look at, that is worth more than a second degree. The first degree already shows what people looking for 'degree educated' want to see. You're better advised to contribute to high profile projects like linux kernel and make your own projects while still being paid as an EE. Particularly embedded stuff, your EE knowledge will help inform software choices and your software knowledge will inform your hardware choices.