Hyunghwan Byun
Hyunghwan Byun
Design & Build
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Hyunghwan Byun

Hi, I'm Hyunghwan

๐ŸŒš Founder, Diced OS: Tools for small/wholesale bakeries
๐ŸŒž Product Designer

Side projects

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dicedos.com

Diced OS

Tools for small/wholesale bakeries
crescent.sqncs.com

Crescent

Backoffice tool for video production agencies

Works

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AppZen Inbox
Fintech

AppZen Inbox

AppZen Inbox is a solution I designed to help Accounts Payable (AP) teams better manage vendor communication and related tasks.
Object Selection tool
Creative tool

Object Selection tool

The Object Selection tool is a groundbreaking feature in Photoshop that automatically selects the borders of objects in an image
Sky replacement
Creative tool

Sky replacement

Automatically detects and swaps out skies in outdoor photos with one click. Seamlessly matches colors and generates editable masks using AI.
Content-aware Fill
Creative tool

Content-aware Fill

Seamlessly fills selected portions of an image with content sampled from other parts of the image

Writing

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Designer's Vibe Coding and Team Collaboration: Lessons from Building AppZen AI Agent Studio
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Designer's Vibe Coding and Team Collaboration: Lessons from Building AppZen AI Agent Studio

The Beginning: The Tension of That First Commit I remember the moment I pushed code to the development branch for
๋””์ž์ด๋„ˆ์˜ ๋ฐ”์ด๋ธŒ์ฝ”๋”ฉ, ํŒ€ ํ˜‘์—…: AppZen AI Agent Studio๋ฅผ ๋งŒ๋“ค๋ฉฐ ๋ฐฐ์šด ๊ฒƒ๋“ค
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๋””์ž์ด๋„ˆ์˜ ๋ฐ”์ด๋ธŒ์ฝ”๋”ฉ, ํŒ€ ํ˜‘์—…: AppZen AI Agent Studio๋ฅผ ๋งŒ๋“ค๋ฉฐ ๋ฐฐ์šด ๊ฒƒ๋“ค

์‹œ์ž‘: ์ฒซ ์ปค๋ฐ‹์˜ ๊ธด์žฅ๊ฐ ์ฒ˜์Œ์œผ๋กœ ๊ฐœ๋ฐœ ๋ธŒ๋žœ์น˜์— ์ฝ”๋“œ๋ฅผ ํ‘ธ์‹œํ•˜๋˜ ์ˆœ๊ฐ„์ด ๊ธฐ์–ต๋‚œ๋‹ค. Cursor์—์„œ ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€๋ฅผ ์ž‘์„ฑํ•˜๊ณ  ํ‘ธ์‹œ ๋ฒ„ํŠผ์„ ๋ˆ„๋ฅด๊ธฐ ์ „ ๋ช‡
[์—์Šค์ฝฐ์ด์–ด ๊ธฐ๊ณ ] ์–ด๋„๋น„์˜ ์„ธ์ƒ์ด ๊ณ„์†๋  ๊ฒƒ์„ ํ™•์‹ ํ•˜๋Š” ์ด์œ 
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[์—์Šค์ฝฐ์ด์–ด ๊ธฐ๊ณ ] ์–ด๋„๋น„์˜ ์„ธ์ƒ์ด ๊ณ„์†๋  ๊ฒƒ์„ ํ™•์‹ ํ•˜๋Š” ์ด์œ 

์—์Šค์ฝฐ์ด์–ด 2023๋…„ 10์›”ํ˜ธ์— ๊ธฐ๊ณ ํ•œ ๋‚ด์šฉ์ž…๋‹ˆ๋‹ค. ์–ผ๋งˆ ์ „, ์กด ์›Œ๋…น์ด ์„ธ์ƒ์„ ๋– ๋‚ฌ๋‹ค. ํ–ฅ๋…„ 82์„ธ. ์ž ์‹œ์ง€๋งŒ ๊ทธ์˜ ํšŒ์‚ฌ์—์„œ ์ผํ•˜๋ฉฐ ๊ทธ์™€ ๋งŒ๋‚ฌ๋˜ ์ž…์žฅ์—์„ 
๊ณ ํ†ต์—†์ด ์ผ์ฐ ์ผ์–ด๋‚  ์ˆ˜ ์žˆ์„๊นŒ?
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๊ณ ํ†ต์—†์ด ์ผ์ฐ ์ผ์–ด๋‚  ์ˆ˜ ์žˆ์„๊นŒ?

์ผ์ฐ ์ผ์–ด๋‚˜์„œ ์ด๋ฅธ ์•„์นจ ์‹œ๊ฐ„์„ ํ™œ์šฉํ•˜๋ฉด ์ข‹๋‹ค๋Š” ์–˜๊ธฐ๋Š” ์‹์ƒํ•  ์ •๋„๋กœ ๋ฐ˜๋ณต๋œ๋‹ค. ์„ธ์ƒ๋ณด๋‹ค ์ผ์ฐ ๋ˆˆ์„ ๋œฌ ๋งŒํผ ์˜จ์ „ํžˆ ๋‚˜๋งŒ์˜ ์‹œ๊ฐ„์„ ๊ฐ€์งˆ
์ œํ’ˆ ๊ฐœ๋ฐœํŒ€ ๋ชจ๋‘๊ฐ€ ์ฐธ์—ฌํ•˜๋Š” ๋””์ž์ธ ๋ฆฌ๋ทฐ๊ฐ€ ์ค‘์š”ํ•œ ์ด์œ  ๊ทธ๋ฆฌ๊ณ  ํŒ
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์ œํ’ˆ ๊ฐœ๋ฐœํŒ€ ๋ชจ๋‘๊ฐ€ ์ฐธ์—ฌํ•˜๋Š” ๋””์ž์ธ ๋ฆฌ๋ทฐ๊ฐ€ ์ค‘์š”ํ•œ ์ด์œ  ๊ทธ๋ฆฌ๊ณ  ํŒ

์ฃผ๋‹ˆ์–ด ๋””์ž์ด๋„ˆ์˜€์„ ๋•Œ ์ €๋Š” ๋””์ž์ธ ๋ฆฌ๋ทฐ๊ฐ€ ๊ณต๊ฐœ ์ฒ˜ํ˜•์ฒ˜๋Ÿผ ๋Š๊ปด์กŒ์Šต๋‹ˆ๋‹ค. ๊ทธ๋‚˜๋งˆ ๋””์ž์ด๋„ˆ ๋™๋ฃŒ๋“ค๊ณผ ํ•˜๋Š” ๋ฆฌ๋ทฐ๋Š” ๊ดœ์ฐฎ์•˜์Šต๋‹ˆ๋‹ค. ์ง„์ •ํ•œ ๊ณ ํ†ต์€ ์ œํ’ˆ ๊ฐœ๋ฐœํŒ€์˜ ๋‹ค์–‘ํ•œ
๊ธฐ์•„ K3 ์ฟฑ (2015 Kia Forte Koup)๊ณผ์˜ 2๋…„+
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๊ธฐ์•„ K3 ์ฟฑ (2015 Kia Forte Koup)๊ณผ์˜ 2๋…„+

2015๋…„ 7์›”, 2๋…„๊ฐ„ ๋ฐœ์ด ๋˜์–ด์ฃผ์—ˆ๋˜ 2002๋…„์‹ Saab 9โ€“3์„ ์ฒ˜๋ถ„ํ•˜๊ณ  ๊ธฐ์•„ K3 ์ฟฑ (๋ฏธ๊ตญ๋ช… Kia Forte Koup)์„ ๊ตฌ๋งคํ–ˆ๋‹ค. ๊ด€๋ฆฌ๊ฐ€