I am building a social media app like Instagram. I have already completed the frontend, and some parts of the backend are working but not fully. I want someone to write the complete backend for me so that my app becomes fully functional.

More details:

What primary features do you need the backend to support? Post creation and interactions (like, comment, share), Real-time messaging, Admin side: Post delete option is available but not working., Regular user post: Videos should be trimmed to 60 seconds, Admin can add post with thumbnail, video, or photo., automatically detect filters for violence or sexual content.
What information should successful freelancers include in their application? Experience
How soon do you need your project completed? Within a month