Build a video editor for web, android and ios native

Im looking for a software developer to build a video editor for web, and for native android and ios. The project includes video templates which we need to build especially for this editor, transitions and effects from scratch and only works on this particular video editor. The export format should be crafted for the editor as well which no one else can use the templates we build on any other editor I need a template builder, to be able to build templates from scratch. Attached is the documents. please have a look also looking for a video editor to build these templates, if the team includes a video editor it will be a plus The video editor should be easy to work with ref capcut, filmora and movavi.com