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๐Ÿคท
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itsChrisJang/README.md

๐Ÿ‘จโ€๐Ÿ’ป JUN HWAN (CHRIS) JANG

๐ŸŽ“ M.Eng Hanyang University in Computer Science, Sep 2025 โ€“ now ๐ŸŽ“ B.S. in Computer Software Engineering

๐Ÿ’ผ Back-end Developer Specialized in Spring WebFlux & Spring Boot & Java & Redis & Kafka

๐Ÿ’ผ Career

Company Duration
TONYMOLY 2024.03 ~ 2026.01
Blumn AI 2023.02 ~ 2024.03
Mesh Korea (Vroong) 2022.08 ~ 2023.02
Startup 2020.01 ~ 2022.08

๐Ÿง‘โ€๐Ÿ’ป Community & Group

๐Ÿ”— SIPE 5th SIPER (2026.03 ~ now)
๐Ÿ”— CodeIt Sprint Spring 5th Mentor BACK-END MENTOR (2025.07 ~ 2026.01)
๐Ÿ”— Guro Youth Mentor BACK-END MENTOR (2025.05 ~ 2025.12)
๐Ÿ”— CMC 17th SERVER (2025.05 ~ 2025.08)
๐Ÿ”— SIPE 4th SIPER (2025.04 ~ 2025.08)
๐Ÿ”— SIPE 3rd SIPER (2024.10 ~ 2025.02)
๐Ÿ”— JAVACAFE MEMBER (2024.09 ~ ing)

๐Ÿ‘จ๐Ÿผโ€๐Ÿ’ผ Technical Presentation

SIPE 4TH CONFERENCE (2025.08.02)

๐ŸŽ™๏ธ ๋Œ€๊ทœ๋ชจ ๋™์‹œ์„ฑ ์ด๋ฒคํŠธ์—์„œ์˜ ๋ฐ์ดํ„ฐ ์ •ํ•ฉ์„ฑ : Redis ๋ถ„์‚ฐ ๋ฝ ์‹ค์ „ ์ ์šฉ๊ธฐ

  • Key Takeaways:
    • ๋Œ€๊ทœ๋ชจ ํŠธ๋ž˜ํ”ฝ์ด ๋ชฐ๋ฆฌ๋Š” ๋ฃฐ๋ › ํ”„๋กœ๋ชจ์…˜ ํ™˜๊ฒฝ์—์„œ์˜ ๋ ˆ์ด์Šค ์ปจ๋””์…˜(Race Condition) ๋ฐ ์ค‘๋ณต ๋‹น์ฒจ ์ด์Šˆ ๋ถ„์„
    • ๋‚ฎ์€ ์Šคํ”„๋ง ๋ฒ„์ „ ์ œ์•ฝ ์กฐ๊ฑด ์†์—์„œ Redis Lettuce ๊ธฐ๋ฐ˜์˜ Spin Lock ๋ฐ Sorted Set์„ ํ™œ์šฉํ•˜์—ฌ ๊ณต์ •ํ•œ ์„ ์ž…์„ ์ถœ(FIFO) ๋ฐฉ์‹์˜ ๋ถ„์‚ฐ ๋ฝ ์ง์ ‘ ๊ตฌํ˜„ ์‚ฌ๋ก€ ๊ณต์œ 
    • ๋ฝ ๊ธฐ๋ฐ˜ ๊ตฌ์กฐ๊ฐ€ ๊ฐ€์ง€๋Š” ์„ฑ๋Šฅ์  ์ž„๊ณ„์ (TPS ์ €ํ•˜ ๋ฐ ๋ณ‘๋ชฉ ํ˜„์ƒ)์„ ์ •์˜ํ•˜๊ณ , ์ด๋ฅผ ๊ทน๋ณตํ•˜๊ธฐ ์œ„ํ•œ Lua Script(์›์ž์  ์—ฐ์‚ฐ), ์นดํ”„์นด(Kafka) ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ํ์ž‰ ์ฒ˜๋ฆฌ, ์‚ฌ์ „ ํ† ํฐ ๋ฐœ๊ธ‰ ๋“ฑ์˜ ๊ณ ๋„ํ™” ์•„ํ‚คํ…์ฒ˜ ์ œ์•ˆ

๐Ÿ› ๏ธ Technical Activities & Blog Posts

๐Ÿ“€ Cache

๐Ÿ”’ Distributed System

โšก Performance Optimization

๐Ÿš€ Featured Projects & Products

๊ฐœ์ธ์ ์œผ๋กœ ๊ธฐํš/์„ค๊ณ„ํ•˜๊ณ  ์‹ค์„œ๋น„์Šค ๋ฐฐํฌ ๋ฐ ์šด์˜๊นŒ์ง€ ์™„๋ฃŒํ•˜์—ฌ ํ”„๋กœ๋•ํŠธ ๋งˆ์ผ“ ํ•์„ ๊ฒ€์ฆํ•œ ํ”„๋กœ์ ํŠธ ์„ธํŠธ์ž…๋‹ˆ๋‹ค.

ํ”„๋กœ์ ํŠธ ํ•œ ์ค„ ์†Œ๊ฐœ & ํ•ต์‹ฌ ๊ฐ€์น˜ ๊ด€๋ จ ๋งํฌ
SparkMatch "์˜ค๋Š˜, ๋ฒˆ๊ฐœ๋กœ ๋งŒ๋‚˜์š”โšก"
์ง์žฅ์ธ ๋ฏธํŒ… ๋ฐ ๋กœํ…Œ์ด์…˜ ์†Œ๊ฐœํŒ… ๋„๋ฉ”์ธ ํŠนํ™” ์‹ค์‹œ๊ฐ„ ๋นˆ์ž๋ฆฌ(1์ž๋ฆฌ ๋นต๊พธ) ๊ธด๊ธ‰ ์ถฉ์› ๋งค์นญ ์„œ๋น„์Šค		 ๐Ÿ”— Live Demo
Memento "๋‹น์‹ ์˜ ๋””์ง€ํ„ธ ํ”์ ์„, ์ •์„ฑ์Šค๋Ÿฝ๊ฒŒ ์ •๋ฆฌํ•ด๋“œ๋ ค์š”."
SNS, ๊ฐœ์ธ ์ž์‚ฐ, ๋ฐœ์ž์ทจ ๋“ฑ ํฉ์–ด์ง„ ๋””์ง€ํ„ธ ๋ฐ์ดํ„ฐ๋ฅผ 3๋‹จ๊ณ„๋กœ ์•ˆ์ „ํ•˜๊ฒŒ ๊ด€๋ฆฌํ•˜๋Š” Digital Legacy Vault		 ๐Ÿ”— Service Link
CarryWise "์Šค๋งˆํŠธํ•œ ๊ณจํ”„ ์บ๋ฆฌ๊ฑฐ๋ฆฌ ํŒ๋‹จ ๊ฐ€์ด๋“œ"
๊ณจํผ๋“ค์˜ ์ •ํ™•ํ•œ ๋น„๊ฑฐ๋ฆฌ ๋ถ„์„๊ณผ ์ƒท ์ผ๊ด€์„ฑ์„ ์œ„ํ•ด ํ™˜๊ฒฝ ๋ณ€์ˆ˜ ๋ฐ ์Šค์œ™ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ์บ๋ฆฌ๊ฑฐ๋ฆฌ๋ฅผ ์ •๋ฐ€ ํŒ๋‹จํ•ด ์ฃผ๋Š” ์†”๋ฃจ์…˜		 ๐Ÿ”— Service Link
AI Animal Insights "๋‚˜์˜ AI ๋™๋ฌผ ํ…Œ์ŠคํŠธ ๋ฐ ์ธ์‚ฌ์ดํŠธ"
LLM/AI ๊ธฐ์ˆ ์„ ํ™œ์šฉํ•ด ์œ ์ € ์„ฑํ–ฅ์„ ๋™๋ฌผ ์บ๋ฆญํ„ฐ์™€ ๋งค์นญํ•˜๊ณ  ์‹ฌ์ธต ์ธ์‚ฌ์ดํŠธ๋ฅผ ๋„์ถœํ•˜๋Š” ์ธ๋”” ํ”„๋กœ์ ํŠธ		 ๐Ÿ”— Service Link

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