youngcompany/jaeyoung

youngcompany · Seoul youngcompany / 2026 / selected

AI Product
Producer.

Building and growing AI products end-to-end, and writing about what I learn along the way.

№ 001 — youngcompany Jaeyoung Kang · Seoul, KR Updated 2026

Work — 003 entries

Selected work.

01 / 03

Lighthouse

An AI assistant for research work — grasp papers quickly, compare them, and organize findings.

Live Live · Corca
02 / 03

Cabinet Meeting Brief

A mobile public page for reading core cabinet meeting agendas and presidential remarks, with sources.

Live Live · youngcompany
03 / 03

English Sense Training

A new learning product that trains English by sense units. Currently in greenfield.

Concept Concept

Work

003 / Selected

Writing — Latest

Notes from making.

2026 · 05 · 22

How AI Agents Negotiate Requirements

While building a paper search product, we had to move from the Semantic Scholar API to an internal literature index. My desire became a requirement, and the worker on the other side treated it as a customer request while still defending performance and compatibility.

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Essay

All Writing  →

Writing

Notes from the studio

About

Jaeyoung Kang, AI Product Producer.

Jaeyoung Kang. I work as an AI Product Producer, building products like lighthouse, cabinet-meeting-brief, and english sense training.

I research product design and AI agent engineering in the era of AI. youngcompany is where I keep work and writing.

About

Jaeyoung Kang — Producer

Jaeyoung Kang. I work as an AI Product Producer, building products like lighthouse, cabinet-meeting-brief, and english sense training.

I research product design and AI agent engineering in the era of AI. youngcompany is where I keep work and writing.