It would work in the same way as any off-work side projects. If it's (legally) your code, then you can do whatever you want with it, whether you sell it or con

It would work in the same way as any off-work side projects. If it's (legally) your code, then you can do whatever you want with it, whether you sell it or contribute to FOSS. Otherwise, it was never your code to begin with, so you couldn't "contribute to FOSS" any more than you could donate your work notebook to a charity. In reality, I think Google has an "open source committee" where you would show your proposed contribution, get approved, and then you can contribute to outside open source projects. I heard the process was fairly reasonable.