all work
04

Ledger

AI financial copilot adopted by 40k+ users.

ROLE
Tech Lead
YEAR
2023
STACK
React · FastAPI · OpenAI

Challenge

Deliver trustworthy financial answers over sensitive data while keeping cost under control.

Approach

Complexity-based model routing, semantic caching and safety guardrails over user data.

Outcome

40k+
users
−60%
cost/query
4.7
rating
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