Nearly 40 percent (2019: 38 percent) of participants identify as fullstack developers. Back-end developers account for 17 percent (2019: 14 percent), while front-end developers make up about 6 percent. Mobile developers increased to just over 4 percent (2019: 3 percent). Desktop or enterprise application developers remained at about 6 percent. Despite a large selection, the next largest group could not locate themselves - they are "other."
Also interesting: 37 people, or about 4 percent, are C-level - so appear to be coding or formerly coding leadership.
This is an interesting parallel to some of the largest IT companies such as Google, Amazon, Microsoft or Facebook, where the founders were all once developers themselves.