I work in tech recruiting but I tell people to focus their resume on what they are most interested in doing and then list other skills/languages they work with.

I work in tech recruiting but I tell people to focus their resume on what they are most interested in doing and then list other skills/languages they work with. If you have been working as a .net developer that should be very clear from your resume but linking to the node and react project on your github is a great way to show you are flexible.