Information on the businesses and industries that employ Software developers, applications & systems software and on wages and locations for those in the field. Computer Systems Design is the industry that employs the most Software developers, applications & systems software, both by share and by number, though the highest paid industry for Software developers, applications & systems software, by average wage, is Video tape & disk rental. Software developers, applications & systems software are paid most in Dutchess County (Southwest) PUMA, NY but are relatively concentrated in Sunnyvale & San Jose (North) Cities PUMA, CA.