I was a software engineer for a company doing open-source backup software for two years. Almost all of the code I worked on was released under the GPL (there w

I was a software engineer for a company doing open-source backup software for two years. Almost all of the code I worked on was released under the GPL (there were a few proprietary components I worked on). It's entirely possible to find a salaried position where you develop open source software professionally. However, your employers will most likely not consider that a factor when assigning work.