Spanish Subtitles for Game Cinematics

I’m in the final stretch of polishing a 3D-heavy game and have a batch of pre-rendered cutscenes and narrative cinematics waiting for Spanish subtitles. All files are in MP4 format, and there are well over ten clips queued up... (Budget: $250 - $750 AUD, Jobs: Audio Editing, Cinematography, Script Writing, Spanish Translator, Subtitles & Captions, Translation, Video Editing, Video Production)