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Coupang Engineering @CoupangEng

Building e-commerce, food delivery, and streaming services at @CoupangInc ๐Ÿš€

Joined June 2022
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Come have a look at how Coupang's efforts to optimize the AWS cloud spending and achieve the cost efficiency are paying off! ๐Ÿงฎ๐Ÿ“ˆ๐Ÿ“‰ #Coupang #Engineering #AWS #Amazon #Cloud link.medium.com/n7otQeODmyb

Cloud expenditure optimization for cost efficiency

The roadmap and execution for cutting down cloud spending across Coupang engineering organizations

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์ฟ ํŒก ํ’€ํ•„๋จผํŠธ ์„ผํ„ฐ๋“ค๋กœ ์ƒํ’ˆ๋“ค์„ ์ž…๊ณ ํ•  ๋•Œ ๋ฒค๋”์‚ฌ์—๊ฒŒ ํ•„์š”ํ•œ ํŠธ๋Ÿญ์˜ ์ตœ์  ์ˆ˜๋Ÿ‰์ด ์–ด๋–ป๊ฒŒ ์˜ˆ์ธก๋˜๋Š”์ง€ ์•Œ์•„๋ณผ๊นŒ์š”? ๊ธฐ๊ณ„ ํ•™์Šต ๋ชจ๋ธ์„ ํ™œ์šฉํ•˜์—ฌ ๋ฌผ๋ฅ˜ ์ž…๊ณ  ํ”„๋กœ์„ธ์Šค๋ฅผ ์ตœ์ ํ™”ํ•œ ์Šคํ† ๋ฆฌ๋ฅผ ๊ณต์œ ํ•ฉ๋‹ˆ๋‹ค! ๐Ÿšš๐Ÿš›๐Ÿšš #Coupang #ML #๋จธ์‹ ๋Ÿฌ๋‹ #๋ฐ์ดํ„ฐ link.medium.com/lYrxDXwZ7xb

๊ธฐ๊ณ„ ํ•™์Šต ๋ชจ๋ธ์„ ํ™œ์šฉํ•œ ๋ฌผ๋ฅ˜ ์ž…๊ณ  ํ”„๋กœ์„ธ์Šค ์ตœ์ ํ™”

์ฟ ํŒก ํ’€ํ•„๋จผํŠธ ์„ผํ„ฐ๋กœ ์ œํ’ˆ ์ž…๊ณ  ์‹œ ํ•„์š”ํ•œ ์šด์†ก ํŠธ๋Ÿญ์˜ ์ ์ • ์ˆ˜๋Ÿ‰์„ ๋ฐ์ดํ„ฐ์— ๊ธฐ๋ฐ˜ํ•ด ์˜ˆ์ธกํ•˜๊ธฐ

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๋น ๋ฅด๊ณ  ์ •ํ™•ํ•œ ๋ฐฐ๋‹ฌ๋กœ ๊ณ ๊ฐ๋“ค์ด WOWํ•  ์ˆ˜ ์žˆ๋„๋ก, ์ฟ ํŒก์ด์ธ ๊ฐ€ ์ตœ๊ณ  ์ˆ˜์ค€์˜ ์ธํ•˜์šฐ์Šค ์ง€๋„ ์„œ๋น„์Šค๋ฅผ ๊ฐœ๋ฐœํ•ด๋ƒˆ์Šต๋‹ˆ๋‹ค! ์ •ํ™•ํ•œ ๋ฐฐ๋‹ฌ ์‹œ๊ฐ„ ์˜ˆ์ธก๊ณผ ๊ฒฝ๋กœ ๊ณ„ํš์„ ํ–ฅํ•œ ์ €ํฌ์˜ ์—ฌ์ •์„ ํ™•์ธํ•ด๋ณด์„ธ์š”.๐Ÿ›ต #Coupang #CoupangEats #๋งต์„œ๋น„์Šค #๋ฐฐ๋‹ฌ #์•Œ๊ณ ๋ฆฌ์ฆ˜ #๋ฐ์ดํ„ฐ๋งˆ์ด๋‹ link.medium.com/k9fN6Es87ub

์ฟ ํŒก์ด์ธ ์˜ ์ธํ•˜์šฐ์Šค ์ง€๋„ ์„œ๋น„์Šค ๊ตฌ์ถ•ํ•˜๊ธฐ

3๋‹จ๊ณ„์˜ ๋ฐฐ๋‹ฌ ์‹œ๊ฐ„ ์ถ”์ • ๋ฐ ๋ฐฐ๋‹ฌ ๊ฒฝ๋กœ ๊ณ„ํš์œผ๋กœ ์Œ์‹ ๋ฐฐ๋‹ฌ ์†๋„๋ฅผ ๋†’์ด๋‹ค

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Take a look at Coupang engineeringโ€™s mentorship program, where our engineers help fellow engineers grow to their full potentials. ๐Ÿคฉ link.medium.com/oN7D6BqQNub

A look at Coupang engineeringโ€™s mentorship program

Inside our mentorship program that helps our employees grow

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์ฟ ํŒก ํ”„๋ผ์ด๋น— ๊ฐœ๋ฐœ์ž ๋ฐ‹์—…์—์„œ ๋ฏธ๊ตญ Rocket Growth ํŒ€์˜ ๋ฆฌ๋”๊ธ‰ ์—”์ง€๋‹ˆ์–ด์™€ ๋„คํŠธ์›Œํ‚น ํ•ด๋ณด์„ธ์š”! *์‚ฌ์ „ ์‹ ์ฒญ: lnkd.in/g8M88JHG *์‹ ์ฒญ ๊ธฐํ•œ: 11/17(๋ชฉ) ์ž์ •๊นŒ์ง€ *๋ณธ ํ–‰์‚ฌ๋Š” ์†Œ๊ทœ๋ชจ๋กœ ์ง„ํ–‰๋˜์–ด, ์ถ”์ฒจ ์„ ์ •๋œ ๋ถ„๋“ค์— ํ•œํ•ด ์ดˆ๋Œ€์žฅ ๋ฐœ์†ก ์˜ˆ์ • #developer #engineer #networking #meetup #Coupang

LinkedIn

This link will take you to a page thatโ€™s not on LinkedIn

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์ฟ ํŒก์€ ์ตœ์ƒ์˜ ๊ตฌ๋งค ๊ฒฝํ—˜์„ ์ œ๊ณตํ•˜๊ธฐ ์œ„ํ•ด ์—ฌ๋Ÿฌ ML ๋ชจ๋ธ์„ ํ™œ์šฉํ•ด ์ œํ’ˆ ํ’ˆ์งˆ ๊ฒ€์‚ฌ ๊ณผ์ •์„ ์ž๋™ํ™”ํ–ˆ์Šต๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์— ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ๋ ˆ์ด์–ด๋ฅผ ์ ์šฉํ•˜์—ฌ ๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ์™€ ๋น ๋ฅธ ์†๋„๊นŒ์ง€ ์žฅ์ฐฉํ•œ ๋กœ์ผ“๊ทธ๋กœ์Šค ML ํ”Œ๋žซํผ์„ ๋งŒ๋‚˜๋ณด์„ธ์š”. #ML #๋จธ์‹ ๋Ÿฌ๋‹ #AWS #Graviton #Coupang link.medium.com/pKpqurM8Lub

์ฟ ํŒก ๋กœ์ผ“๊ทธ๋กœ์Šค์˜ ML ํ”Œ๋žซํผ: 20๊ฐœ ์ด์ƒ์˜ ๋ชจ๋ธ ์„œ๋น„์Šค ๋ฐ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ ๋น„์šฉ ํšจ์œจํ™”

๋Œ€๊ทœ๋ชจ ๋จธ์‹ ๋Ÿฌ๋‹ ํ”Œ๋žซํผ์˜ ์•„ํ‚คํ…์ฒ˜ ๋‹จ์ˆœํ™”์™€ ํ”Œ๋žซํผ ํ™•์žฅ์„ ์œ„ํ•œ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜ ๋ ˆ์ด์–ด ๋„์ž…

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๋ฐ์ดํ„ฐ ์žฌํ•ด ์˜ˆ๋ฐฉ๊ณผ ๋ณต๊ตฌ๋ฅผ ์œ„ํ•ด ์ฟ ํŒก์€ ์–ด๋–ค ๋ฐฑ์—… ์‹œ์Šคํ…œ์„ ๋งˆ๋ จํ•ด๋‘์—ˆ์„๊นŒ์š”? ์ฟ ํŒก์ด @awscloud AWS EBS ์Šค๋ƒ…์ƒท์„ ํ™œ์šฉํ•ด ๊ฐœ๋ฐœํ•œ ํšจ์œจ์ ์ด๊ณ  ์œ ์—ฐํ•˜๋ฉด์„œ๋„ ์•ˆ์ •์ ์ธ ๋ฐ์ดํ„ฐ ๋ฐฑ์—… ๋ฐ ๋ณต๊ตฌ ํ”Œ๋žซํผ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์„ธ์š”! #Data #Database #Backup #DR #AWS #Coupang medium.com/coupang-engineeriโ€ฆ

ํด๋ผ์šฐ๋“œ ๊ธฐ๋ฐ˜์˜ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฑ์—… ๋ฐ ๋ณต๊ตฌ ํ”Œ๋žซํผ

์ฟ ํŒก์˜ ์˜จ๋ผ์ธ ๋น„์ฆˆ๋‹ˆ์Šค๋ฅผ ๋ฐ์ดํ„ฐ ์žฌํ•ด๋กœ๋ถ€ํ„ฐ ์˜ˆ๋ฐฉํ•˜๊ธฐ ์œ„ํ•œ ์‹œ์Šคํ…œ์— ๊ด€ํ•˜์—ฌ

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์ฟ ํŒก ๋ฐ์ดํ„ฐ ํ”Œ๋žซํผ์˜ ๋ฐ์ดํ„ฐ ์ธ์ œ์Šค์ฒœ(Ingestion), ๋จธ์‹  ๋Ÿฌ๋‹, A/B ํ…Œ์ŠคํŠธ ํ”Œ๋žซํผ์„ย ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ํŽ˜ํƒ€๋ฐ”์ดํŠธ ๊ทœ๋ชจ์˜ ๊ธ€๋กœ๋ฒŒย ํ™•์žฅ์„ ์ง€ํƒฑํ•˜๋Š” ๋ฐ์ดํ„ฐ ํ”Œ๋žซํผ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์„ธ์š”. medium.com/coupang-engineeriโ€ฆ

๋ฐ์ดํ„ฐ ํ”Œ๋žซํผ 2022: ํŽ˜ํƒ€๋ฐ”์ดํŠธ ๊ทœ๋ชจ์˜ ๊ธ€๋กœ๋ฒŒ ํ™•์žฅ

์ฟ ํŒก ๋ฐ์ดํ„ฐ ํ”Œ๋žซํผ์˜ ๋ฐ์ดํ„ฐ ์ธ์ œ์Šค์ฒœ(Ingestion), ๋จธ์‹  ๋Ÿฌ๋‹, A/B ํ…Œ์ŠคํŠธ ํ”Œ๋žซํผโ€Šโ€”โ€ŠPart 1

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์ฟ ํŒก์€ ๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค ํ™˜๊ฒฝ์—์„œ ์บ์‹œ ๋ ˆ์ด์–ด๋กœ ๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ์„ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ์บ์‹œ๋ฅผ ํ™œ์šฉํ•˜๋ฉด์„œ ๊ฒช์€ ๊ธฐ์ˆ ์  ๊ณผ์ œ ๋ฐ ํ•ด๊ฒฐ์ฑ…์€ ๋ฌด์—‡์ผ๊นŒ์š”? ์ด๋ฒˆ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ์—์„œ ํ™•์ธํ•ด ๋ณด์„ธ์š”! #๋ฐ์ดํ„ฐ #๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค #์—”์ง€๋‹ˆ์–ด๋ง #์ฟ ํŒก medium.com/coupang-engineeriโ€ฆ

์บ์‹œ๋ฅผ ํ™œ์šฉํ•œ ๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ ์„ฑ๋Šฅ ํ–ฅ์ƒ

๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค์™€ ์บ์‹œ ๋ ˆ์ด์–ด๋ฅผ ํ•จ๊ป˜ ์šด์˜ํ•˜๋ฉฐ ์ฟ ํŒก์ด ๊ฒช์€ ๋ณต์žกํ•œ ๊ธฐ์ˆ ์  ๊ณผ์ œ๋“ค๊ณผ ๊ทธ ํ•ด๊ฒฐ์ฑ…โ€Šโ€”โ€ŠPart 2

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Learn about how we utilize data for machine learning feature extraction and audience segmentation! ๐Ÿ‘‡#Engineering #Data #MachineLearning #Coupang medium.com/coupang-engineeriโ€ฆ

Eats data platform: Services for machine learning and audience segmentation

DaaS at Coupang Eats for efficient feature engineering and audience segmentation to support business expansionโ€Šโ€”โ€ŠPart 2

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๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•œ ์ฟ ํŒก์˜ ๋ฐฑ์—”๋“œ ์ „๋žต์ด ๋ฌด์—‡์ธ์ง€ ์•Œ์•„๋ณด์„ธ์š”. ์ด๋ฒˆ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ ์ฃผ์ œ๋Š” ๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค๊ฐ€ ๊ณ ๊ฐ์—๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ์„œ๋น™ํ•˜๋Š” ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค! #๋ฐ์ดํ„ฐ #๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค #์—”์ง€๋‹ˆ์–ด๋ง #์ฟ ํŒก medium.com/coupang-engineeriโ€ฆ

๋Œ€์šฉ๋Ÿ‰ ํŠธ๋ž˜ํ”ฝ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•œ ์ฟ ํŒก์˜ ๋ฐฑ์—”๋“œ ์ „๋žต

๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค๋กœ ๊ณ ๊ฐ์—๊ฒŒ ๋ฐ์ดํ„ฐ ์„œ๋น™ํ•˜๊ธฐ: ๊ณ ๊ฐ€์šฉ์„ฑ, ๊ณ ์ฒ˜๋ฆฌ๋Ÿ‰, ๊ทธ๋ฆฌ๊ณ  ์ง€์—ฐ์‹œ๊ฐ„ ์ตœ์†Œํ™”โ€Šโ€”โ€ŠPart 1

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Read about how Coupang Eats built a configuration-driven data ingestion, processing, and utilization system with non-real-time, near real-time, and pure real-time data pipelines! #Data #DataPlatform #DataPipeline #Engineering #Coupang medium.com/coupang-engineeriโ€ฆ
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์ฟ ํŒก์—์„œ ๊ฒ€์ƒ‰์€ ๊ณ ๊ฐ ์—ฌ์ •์ด ์‹œ์ž‘๋˜๋Š” ๊ณณ์ž…๋‹ˆ๋‹ค. ๊ฒ€์ƒ‰์ด ์ฟ ํŒก์˜ ๋ฏธ์…˜์ธ โ€˜โ€˜Wow the customerโ€™์— ์žˆ์–ด ํ•ต์‹ฌ์ด ๋˜๋Š” ์ด์œ ์ž…๋‹ˆ๋‹ค. ๊ฒ€์ƒ‰ ์—”์ง„ ์„ฑ๋Šฅ ๊ฐ€์†ํ™”๋ฅผ ์œ„ํ•ด ์–ด๋–ค ๋…ธ๋ ฅ์„ ํ–ˆ๋Š”์ง€ ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ๋ฅผ ํ†ตํ•ด ์•Œ์•„๋ณด์„ธ์š”! #์—”์ง€๋‹ˆ์–ด๋ง #๊ฒ€์ƒ‰์—”์ง„ #๊ฒ€์ƒ‰๋žญํ‚น #์ฟ ํŒก medium.com/coupang-engineeriโ€ฆ

์ฟ ํŒก ๊ฒ€์ƒ‰ ์—”์ง„ ์„ฑ๋Šฅ ๊ฐ€์†ํ™”

๊ฒ€์ƒ‰ ์—”์ง„ ์„ฑ๋Šฅ ๊ฐ€์†ํ™”๋ฅผ ์œ„ํ•ด ์ฟ ํŒก์˜ ์ธ๋ฑ์‹ฑ ํ”Œ๋žซํผ์ด ๋ณ€ํ™”ํ•ด์˜จ ๊ณผ์ •

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Read about the lessons we learned from solving the complex challenges we faced data serving from microservices to our application at high availability and low latency! #Engineering #Data #Database #Microservice #MSA #Coupang medium.com/coupang-engineeriโ€ฆ
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์ธ๊ฐ„์˜ ๊ฐœ์ž… ์—†์ด๋„ ํ•œ๊ตญ์–ด๋ฅผ ์ž๋™์œผ๋กœ ๊ตฌ๋ถ„ํ•˜๋Š” ์ฟ ํŒก์˜ ์ž์—ฐ์–ด ์ฒ˜๋ฆฌ ๊ธฐ์ˆ ์ด ๊ถ๊ธˆํ•˜์‹ ๊ฐ€์š”? ์ฟ ํŒก์—์„œ ๊ตฌํ˜„ํ•˜๊ณ  ์žˆ๋Š” ๋น„์ง€๋„ ํ•™์Šต ๊ธฐ๋ฐ˜์˜ ๊ฒฝ์Ÿ์  ์‹ ๊ฒฝ ์–ธ์–ด ๋ชจ๋ธ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์„ธ์š”! #์ž์—ฐ์–ด์ฒ˜๋ฆฌ #๋จธ์‹ ๋Ÿฌ๋‹ #๋น„์ง€๋„ํ•™์Šต #์ฟ ํŒก medium.com/coupang-engineeriโ€ฆ

๋น„์ง€๋„ ํ•™์Šต ๊ธฐ๋ฐ˜์˜ ๊ฒฝ์Ÿ์  ์‹ ๊ฒฝ ์–ธ์–ด ๋ชจ๋ธ๋กœ ๋‹จ์–ด ๋ถ„ํ• ํ•˜๊ธฐ

์ธ๊ฐ„์˜ ๊ฐœ์ž… ์—†์ด๋„ ์•„์‹œ์•„ ์–ธ์–ด๋ฅผ ์ž๋™์œผ๋กœ ๊ตฌ๋ถ„ํ•˜๋Š” ์ฟ ํŒก์˜ ์ž์—ฐ์–ด ์ฒ˜๋ฆฌ ๊ธฐ์ˆ 

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Read about how we serve data from our microservices to our customers at high availability, high throughput, and low latency in the latest blog post! #Engineering #Data #MSA #Coupang medium.com/coupang-engineeriโ€ฆ

Our backend strategy to handle massive traffic

How Coupang serves data from our microservices to customers at high availability, high throughput, and low latencyโ€Šโ€”โ€ŠPart 1

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์ฟ ํŒก์—์„œ ์ด๋ฏธ์ง€ ๋ฐ ํ…์ŠคํŠธ ๋”ฅ ์ž„๋ฒ ๋”ฉ์„ @Meta์˜ FAISS ์ธ๋ฑ์Šค์™€ ์‚ฌ์šฉํ•ด ์ค‘๋ณต ์ƒํ’ˆ ๋งค์นญ ์‹œ์Šคํ…œ์„ ๊ฐœ๋ฐœํ–ˆ์Šต๋‹ˆ๋‹ค! ์ด ์‹œ์Šคํ…œ์ด ์–ด๋–ป๊ฒŒ ๋”ฅ ๋Ÿฌ๋‹ ๊ธฐ๋ฒ•์œผ๋กœ ์ˆ˜๋ฐฑ ๊ฐœ์˜ ์ค‘๋ณต ์ƒํ’ˆ์„ ์ฐพ์•„๋‚ด๋Š”์ง€ ๋ธ”๋กœ๊ทธ์—์„œ ํ™•์ธํ•ด๋ณด์„ธ์š”. #๋ฐ์ดํ„ฐ #๋จธ์‹ ๋Ÿฌ๋‹ #FAISS #์ฟ ํŒก medium.com/coupang-engineeriโ€ฆ
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Read about our cloud-based database backup and recovery platform using @awscloud AWS S3 and EBS snapshot tech! Our platform prevents data disasters from affecting our critical online businesses! :cloud: #Engineering #Data #Database #AWS #Coupang medium.com/coupang-engineeriโ€ฆ

Towards a robust cloud-based database backup and recovery platform

About the system that prevents data disasters from affecting Coupangโ€™s critical online businesses

medium.com
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์ฟ ํŒก ์—”์ง€๋‹ˆ์–ด๋ง ๋ธ”๋กœ๊ทธ๋ฅผ ํ•œ๊ตญ์–ด๋กœ ๋งŒ๋‚˜ ๋ณด์„ธ์š” ๐Ÿ‡ฐ๐Ÿ‡ท ๋กœ์ผ“๋ฐฐ์†ก, ์น˜ํƒ€๋ฐฐ๋‹ฌ, ์ฟ ํŒกํ”Œ๋ ˆ์ด์˜ ์‹ค์‹œ๊ฐ„ ์ŠคํŠธ๋ฆฌ๋ฐ ๋’ค์—๋Š” ์–ด๋–ค ๊ธฐ์ˆ ์ด ์žˆ์„๊นŒ์š”? ์ฟ ํŒก ๊ฐœ๋ฐœ์ž๋“ค์ด ๋งŒ๋“ค๊ณ  ๋ฐœ์ „์‹œํ‚ค๋Š” ๋‚ด๋ถ€ ์‹œ์Šคํ…œ์— ๋Œ€ํ•ด ํ™•์ธํ•ด๋ณด์„ธ์š”๐Ÿ‘‡ medium.com/coupang-engineeriโ€ฆ #์ฟ ํŒก #๊ฐœ๋ฐœ #์—”์ง€๋‹ˆ์–ด๋ง #์—”์ง€๋‹ˆ์–ด๋ง๋ธ”๋กœ๊ทธ

Coupang Engineering Blog

Read about our engineers and how they are changing the face of e-commerce and beyond.

medium.com
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More than 18 million active customers shop on Coupang! ๐Ÿ› Learn how we used @Android LiveData to make our own customized message passing bus to improve our Android app experience. #Engineering #Mobile #Android #Technology #Coupang medium.com/coupang-engineeriโ€ฆ

The evolution of our Android message passing mechanism

How Coupang used LiveData to create a scalable and customizable message bus

medium.com
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