Andrian
Andrian Lloyd Maagma
Andrian Lloyd Maagma
cv
/
case studies
/
posts
/
Ctrl
K
Back to work
FlyRank AI
Internship · Remote
Backend AI Engineer
Jun 2026
–
Aug 2026
Python
FastAPI
JavaScript
Express
Built an LLM metering and billing engine and a hybrid retrieval answer pipeline.
Case Studies
Building a metering and billing engine for LLM usage
A small backend that meters LLM usage, enforces quotas, and syncs subscriptions with Stripe, built around getting retries and billing right.
2026
• 3 min read