noun
producer; maker; creator; developer
Refers to someone who creates or produces something, especially in media, arts, or software. Can be used broadly for any kind of maker.
彼は映画の制作者として有名だ。
He is famous as a film producer.
このアプリの制作者はまだ学生
The developer of this app is still a student.
プロデューサー is a loanword specifically for a producer in entertainment or business contexts, often implying a managerial or financial role, whereas 制作者 is a native term that can refer to any creator or maker.
Compound of 制作 (seisaku, 'production, creation') and 者 (sha, 'person'). The word follows a common pattern for agent nouns.