Codeweavers is hiring a General Wine Developer to work on Proton and Wine support. If you are interested and have the skills i'll link below the job posting. Codeweavers is the company behind the CrossOver program which helps to run Windows programs on Linux and Mac. They also do a lot of work with Wine itself as well with Valve on Proton. https://www.codeweavers.com/about/jobs#job-dev