Feature Service
File Upload with S3 & Presigned URLs
We implement a secure file upload flow where your backend creates presigned URLs and the frontend uploads directly to S3 or compatible storage.
AWS S3Cloudflare R2Node.jsReact
Fixed starting scope
Each feature starts with a clear base package, then grows only if your app needs more integrations, screens, or edge cases.
Integrated into your code
We adapt implementation to your stack instead of dropping a generic snippet that still needs hours of cleanup.
Handoff included
You get implementation notes, environment variables, testing notes, and what to watch before pushing to production.
Included
What you get
Presigned upload endpoint.
File metadata database model.
Frontend upload flow with progress states.
File type and size validation.
Private/public access strategy.
Approach
How we implement it
1
Create storage bucket and access credentials.
2
Define allowed file types and maximum sizes.
3
Build backend presign endpoint.
4
Upload directly from frontend and confirm completion.
5
Persist metadata and return stable file references.