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Cloud & DevOps · Major Project
Encrypted Multi-Cloud Backup Service
Files encrypted on your machine, then stored with two separate providers
3-4 weeks build
Overview
A backup tool that never hands a provider readable data. Files are chunked, deduplicated and encrypted with AES-256-GCM on the client, then written to two S3-compatible providers so losing either one loses nothing. A web dashboard lists snapshots and restores any version. It targets Backblaze B2 and Cloudflare R2 free allowances, or two local MinIO servers for a fully offline demo.
What makes it stand up
- 01Client-side AES-256-GCM encryption with a key derived from a passphrase
- 02Content-defined chunking so unchanged data is not uploaded twice
- 03Every chunk written to two independent S3-compatible providers
- 04Point-in-time restore from any snapshot, verified by checksum
- 05Works on free provider tiers or two local MinIO containers
Module breakdown
- 01
Client
Folder scanning, chunking, encryption and upload queue.
- 02
Storage adapters
One S3-compatible interface over each provider.
- 03
Catalogue
PostgreSQL index of snapshots, files and chunk hashes.
- 04
Restore
Fetch from whichever provider answers, decrypt and verify.
- 05
Dashboard
React views for snapshots, storage used and restore jobs.
After this, you will be able to
- Explain why encryption happens before upload, not after
- Defend your chunking, deduplication and key-handling choices
- Demo a restore that still succeeds with one provider switched off
Technology stack
- Python
- FastAPI
- React
- MinIO
- PostgreSQL
- Level
- Major Project
- Domain
- Cloud & DevOps
- Build time
- 3-4 weeks
- Difficulty
You receive
- Complete, commented source code
- 60-90 page project report (IEEE format)
- Editable presentation deck
- Architecture, ER and UML diagrams
- Local setup and deployment guide
- Sample dataset or seed data
- Viva question bank with answers
- One 45-minute walkthrough call
- 30 days of doubt-clearing support