Ikuko OTANI

Backend engineer, Japan. 11 years across financial accounting & order management systems (5+ yrs PHP, 5 yrs Oracle). Building a double-entry ledger API with Python and FastAPI as a portfolio project.

Japan Joined on Jun 23, 2026 https://payment-ledger-api.fly.dev/docs

Education

Tokyo University of the Arts

Work

Backend Engineer | Exploring EU opportunities

Ikuko OTANI

Jul 1

Double-Entry Bookkeeping in Python: How I Built a Production-Pattern Ledger API with FastAPI and async SQLAlchemy

#python #fastapi #postgres #fintech

13 min read

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Ikuko OTANI

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Double-Entry Bookkeeping in Python: How I Built a Production-Pattern Ledger API with FastAPI and async SQLAlchemy

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