From my experience, you do not need to write in a specific programming language, but you do need to be capable of scripting. Now this may vary from studio to studio UE4s Kismet is a perfect example - It's using a visual scripting language in order to create the events in the level. You need to be comfortable with logic…
yea scripting will probably come in handy, but during most of my time working with level designers, they mainly used the tools within the editor for 99% of things, tech artists and programmers built the tools for them to make their life easier. People who want to work as level designers need to be focused on what makes a…