noun
application developer; applications programmer
Computing term for a person who develops software applications.
彼は大手IT企業のアプリケーション開発者だ。
He is an application developer at a major IT company.
ソフトウェア開発者 is a broader term for software developer, while アプリケーション開発者 specifically refers to application development.
Compound of アプリケーション (application) + 開発者 (developer).