Hideki Mori

Building LDX hub — an AI document processing platform. Writing about LLM systems, API design, and the boring decisions that make things work in production.

Tokyo, Japan Joined on Apr 29, 2026 https://gw.portal.ldxhub.io

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Independent engineer · Building LDX hub

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Hideki Mori

May 25

Live report: at this speed, you don't theorize. You eliminate.

#api #architecture #ai #productivity

6 min read

Hideki Mori

May 29

72% -> 75% -> 92%: a reproducible RAG validation

#rag #ai #promptengineering #tutorial

12 min read

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Hideki Mori

May 18

Dynamic isn't enough. Operations is the other half.

#api #architecture #backend #devops

4 min read

Hideki Mori

May 11

What survives when you build alone for 24 years

#api #architecture #career #solo

4 min read

Hideki Mori

May 4

Nobody knows when a job will finish. I'd still like to report it accurately.

#api #architecture #backend #devops

4 min read

Hideki Mori

Apr 29

The Accordion Pattern: Why I stopped writing one fat LLM prompt

#llm #ai #architecture #api

4 min read

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Hideki Mori

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Live report: at this speed, you don't theorize. You eliminate.

72% -> 75% -> 92%: a reproducible RAG validation

Want to connect with Hideki Mori?

Dynamic isn't enough. Operations is the other half.

What survives when you build alone for 24 years

Nobody knows when a job will finish. I'd still like to report it accurately.

The Accordion Pattern: Why I stopped writing one fat LLM prompt