Claude Startups member

Work with me

What we can build together

I work with teams launching a new service or making everyday work easier.

01

AI product development

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I turn an idea into a working service, connecting user flows, AI features, accounts, payments, deployment, and operations.

Product planning · AI integration · Web apps · Deployment

02

Workflow automation

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I connect repetitive collection, organization, and publishing into one workflow. AI agents such as Claude Code and Codex split planning, work, and review, and a person checks the results and fixes only what needs it.

Data collection · Content publishing · AI agent workflows

03

Website development

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I build websites that explain a brand and its products and lead to inquiries or bookings, with responsive layouts and search-friendly structure.

Brand & corporate sites · Portfolios · Inquiries & booking

Work tools

MOA

Demo

A work tool for project conversations, tasks, and reports in one place.

AI and email integrations are simulated. Reports are saved in this browser. The demo is in Korean.

Open MOA

01 / Featured project

Preterview

From interview prep to hiring evaluation

Planning · Design · Development · Operationspreterview.com
Preterview product screen: portfolio feedback and interview practice
Visit service

A service for practicing voice interviews based on your resume and portfolio, with feedback on each answer. I’m also developing assessments that examine how people use AI on practical tasks.

  • 01Interviews that read your materials and follow up on answers
  • 02Per-answer feedback and portfolio review
  • 03AI proficiency assessment through practical tasks

02 / Products

Products I build and operate

I keep working on a product after launch, learning from its use and improving how it runs.

FortuneLab website screenshot

FortuneLab

Saju service in 8 languages

Korean saju readings in eight languages, including Korean, English, Japanese, and Hindi. I develop and operate it.

Refmade website screenshot

Refmade

Desktop app for Claude Code and Codex

A Mac and Windows app for giving work to Claude Code and Codex from a window instead of a terminal. Progress shows up as a pixel office, in eight languages.

SpoonAI website screenshot

SpoonAI

AI news · Content automation

An AI news site with a workflow for gathering stories, preparing content, and publishing.

03 / Websites

Websites shaped around each brand

Photography, products, technology. Each website starts with what the brand needs to show.

CASE&FIT website screenshot

CASE&FIT

Custom cases · Project inquiries

A website for exploring products and case studies and requesting custom production.

LUCE website screenshot

LUCE

Infusers · Brand website

An English and Korean brand website for porcelain and glass infusers.

Daymoon website screenshot

Daymoon

Photography · Portfolio

A studio website that connects a photography portfolio with shoot inquiries.

CTK website screenshot

CTK

Air filtration · Corporate website

A corporate website presenting an air-filtration company’s products and technology.

Let’s talk

Project inquiries by email

Tell me about the problem you want to solve and where things stand. We can start by discussing how I can help.

Start a conversation
jd@jidonglab.com

AI products · Workflow automation · Websites