Case 02 / UK health-technology client
GoodFor
Scan any food or beauty product, get a health analysis back. Live on Google Play.
- Client
- UK health-technology client
- Role
- Architect and builder
- When
- Oct 2025 to now
- Stack
GoodFor scans food and beauty products and returns an instant health analysis: NOVA score, allergens and nutrition, with a GPT-4 assistant built in. I architected and shipped it for a UK health-technology client, and it is published on Google Play.
What happens to a scan
- 01
Scan
A barcode and OCR pipeline reads the product at 95%+ accuracy.
- 02
Look up
A Node.js backend searches Open Food Facts, USDA and UK retailer databases, across millions of records.
- 03
Cache
Redis takes the lookup from 3 s to under 200 ms.
- 04
Analyse
NOVA score, allergens and nutrition come back instantly.
- 05
Ask
An integrated GPT-4 assistant takes the follow-up questions.
What it came to
- <200 mslatency, down from 3 s
- 95%+barcode and OCR accuracy
- 100+concurrent scans
- 99.9%uptime
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