You have a PhD. Basically makes you flexible mentally and ready to adapt to every situation. You should try to apply also to some R&D positions, if any and if

You have a PhD. Basically makes you flexible mentally and ready to adapt to every situation. You should try to apply also to some R&D positions, if any and if remote is possible. About getting the rust off, why don't you profit from the #hacktoberfest on GitHub to get your hands dirty on projects that might spark your interest and get used to a normal routine?