Backend Engineer - Service Platform

Tving โ€” South Korea ยท Posted ~7 hours ago

Skills

Kotlin Java Spring Boot Go Gin Backend system design API Gateway Kafka Message queues Asynchronous event processing High availability Low latency Large-scale traffic handling Data pipelines Distributed systems Platform engineering MQ

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Summary โœจ AIโ€‘Generated

A backend engineering role focused on designing and operating shared service infrastructure for a high-traffic streaming platform. You will work with Kotlin/Java and Spring Boot as well as Go/Gin, designing API gateways, event-driven systems, data pipelines, feature flag infrastructure, logging platforms, and other common services for millions of concurrent users.

Highlights

Backend platform role focused on highly scalable services used across a large streaming platform. The position offers ownership of shared infrastructure such as API gateways, logging, feature flags, messaging, notifications, and chat, with strong emphasis on high availability, low latency, and large-scale traffic.

Description

ํ‹ฐ๋น™์—์„œ Backend Engineer(Service Platform)๋ฅผ ๋ชจ์ง‘ํ•ฉ๋‹ˆ๋‹ค! TVING ํ…Œํฌ ์กฐ์ง์€ ์ˆ˜๋งŽ์€ ์‚ฌ์šฉ์ž๊ฐ€ ๋™์‹œ์— ์ ‘์†ํ•ด๋„ ์•ˆ์ •์ ์œผ๋กœ ๋™์ž‘ํ•˜๋Š” ์ŠคํŠธ๋ฆฌ๋ฐ ํ”Œ๋žซํผ์„ ๋งŒ๋“ค๊ณ  ์šด์˜ํ•˜๊ณ  ์žˆ์–ด์š”. ์šฐ๋ฆฌ๋Š” ์ด๋ฏธ ์ž˜ ๋Œ์•„๊ฐ€๋Š” ์„œ๋น„์Šค๋ฅผ ์œ ์ง€ํ•˜๋Š” ๋ฐ์„œ ๋ฉˆ์ถ”์ง€ ์•Š์•„์š”. ์•ž์œผ๋กœ ๋” ๋งŽ์€ ์‚ฌ์šฉ์ž๊ฐ€ ์ฐพ์•„์™€๋„ ํ”๋“ค๋ฆฌ์ง€ ์•Š์„ ๊ตฌ์กฐ๋ฅผ ๊ณ ๋ฏผํ•˜๊ณ , ๋ณ‘๋ชฉ์„ ํ•˜๋‚˜์”ฉ ๊ฐœ์„ ํ•˜๋ฉฐ, ์•„ํ‚คํ…์ฒ˜๋ฅผ ๊ณ„์†ํ•ด์„œ ๋ฐœ์ „์‹œ์ผœ ๋‚˜๊ฐ€๊ณ  ์žˆ์–ด์š”. Service Platform ํŒ€์„ ์†Œ๊ฐœํ•ด์š” Service Platform ํŒ€์€ TVING ์„œ๋น„์Šค ์ „๋ฐ˜์—์„œ ๊ณตํ†ต์œผ๋กœ ํ•„์š”ํ•œ ๊ธฐ๋Šฅ๋“ค์„ ์„ค๊ณ„ํ•˜๊ณ  ๋งŒ๋“œ๋Š” ํŒ€์ด์—์š”. ๋‹จ์ˆœํžˆ ํ•˜๋‚˜์˜ ๊ธฐ๋Šฅ์„ ๊ฐœ๋ฐœํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ, TVING ์ „์ฒด ์„œ๋น„์Šค๊ฐ€ ๋” ์•ˆ์ •์ ์œผ๋กœ ์„ฑ์žฅํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ธฐ๋ฐ˜์„ ๋‹ค์ง€๋Š” ์—ญํ• ์„ ํ•˜๊ณ  ์žˆ์–ด์š”. API Gateway ํ”Œ๋žซํผ ์„ค๊ณ„ ๋ฐ ์šด์˜์ „์‚ฌ ๊ณตํ†ต ๋กœ๊ทธ ์ˆ˜์ง‘ยท์ „ํŒŒ ๊ธฐ๋ฐ˜ ๊ตฌ์ถ• ๋ฐ ์šด์˜Feature Flag ํ”Œ๋žซํผ ์„ค๊ณ„ ๋ฐ ์šด์˜์ฑ„ํŒ… ํ”Œ๋žซํผ ์„ค๊ณ„ ๋ฐ ์šด์˜ํ‘ธ์‹œ ์•Œ๋ฆผ ํ”Œ๋žซํผ ์„ค๊ณ„ ๋ฐ ์šด์˜์ˆ˜๋ฐฑ๋งŒ ์‚ฌ์šฉ์ž๊ฐ€ ๋™์‹œ์— ์ด์šฉํ•˜๋Š” ํ™˜๊ฒฝ์—์„œ ์•ˆ์ •์„ฑ๊ณผ ํ™•์žฅ์„ฑ์„ ๊ณ ๋ฏผํ•˜๋ฉฐ ๊ตฌ์กฐ๋ฅผ ์„ค๊ณ„ํ•˜๊ณ  ์ง์ ‘ ์šด์˜ํ•ด์š”. ์„œ๋น„์Šค ๊ธฐ๋Šฅ ํ•˜๋‚˜๋ฅผ ๋งŒ๋“œ๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ, ์—ฌ๋Ÿฌ ์ œํ’ˆ๊ณผ ํŒ€์ด ํ•จ๊ป˜ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ณตํ†ต ํ”Œ๋žซํผ์„ ๋งŒ๋“ค์–ด์š”. ๋‹ด๋‹นํ•˜๊ฒŒ ๋  ์—…๋ฌด๋“ค์ด์—์š”. Kotlin/Java + Spring Boot ๊ธฐ๋ฐ˜ Backend ์‹œ์Šคํ…œ ์„ค๊ณ„, ๊ฐœ๋ฐœ ๋ฐ ์šด์˜Go + Gin ๊ธฐ๋ฐ˜ Backend ์‹œ์Šคํ…œ ๋ฐ API ์„ค๊ณ„, ๊ฐœ๋ฐœ, ์šด์˜API Gateway ์„ค๊ณ„ยท์šด์˜๊ณผ ์ „์‚ฌ API ์ง„์ž… ๊ตฌ๊ฐ„ ํ‘œ์ค€ํ™”์ „์‚ฌ ๊ณตํ†ต ๋กœ๊ทธ ์ˆ˜์ง‘ยท์ „ํŒŒ ๊ธฐ๋ฐ˜ ๊ตฌ์ถ•๊ณผ ์ด๋ฒคํŠธ ์Šคํ‚ค๋งˆ ํ‘œ์ค€ํ™”Feature Flag ํ”Œ๋žซํผ ๊ตฌ์ถ•๊ณผ ์ ์ง„์  ๋ฐฐํฌยท๋ฆฌ์ „ ๋กค์•„์›ƒ ์ฒด๊ณ„ ์„ค๊ณ„TVING ๊ณตํ†ต ์„œ๋น„์Šค ํ”Œ๋žซํผ(์ฑ„ํŒ…, ํ‘ธ์‹œ ๋“ฑ) ์„ค๊ณ„ ๋ฐ ๊ณ ๋„ํ™”๋Œ€๊ทœ๋ชจ ํŠธ๋ž˜ํ”ฝ์„ ์ฒ˜๋ฆฌํ•˜๋Š” API ๋ฐ ๋ฐ์ดํ„ฐ ํŒŒ์ดํ”„๋ผ์ธ ์„ค๊ณ„Kafka/MQ ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์ด๋ฒคํŠธ ์ฒ˜๋ฆฌ ์‹œ์Šคํ…œ ์„ค๊ณ„๊ณ ๊ฐ€์šฉ์„ฑ๊ณผ Low Latency๋ฅผ ๊ณ ๋ คํ•œ ๊ตฌ์กฐ ๊ฐœ์„ ๋กœ๊ทธ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•œ ์‹œ์Šคํ…œ ๊ฐœ์„ AI ๋„๊ตฌ๋ฅผ ํ™œ์šฉํ•œ ๊ฐœ๋ฐœ ์ƒ์‚ฐ์„ฑ ํ–ฅ์ƒ๊ธฐ์ˆ  ์Šคํƒ์— ์–ฝ๋งค์ด๊ธฐ๋ณด๋‹ค, ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ๋ฐ ๊ฐ€์žฅ ์ ํ•ฉํ•œ ๋ฐฉ์‹๊ณผ ๊ตฌ์กฐ๋ฅผ ํ•จ๊ป˜ ๊ณ ๋ฏผํ•ด์š”. ์ด๋Ÿฐ ๋ถ„์„ ์ฐพ๊ณ  ์žˆ์–ด์š”. ์„œ๋ฒ„ ๊ฐœ๋ฐœ ๋ฐ ์šด์˜ ๊ฒฝ๋ ฅ 3๋…„ ์ด์ƒ์„ ๋ณด์œ ํ•˜์‹  ๋ถ„Kotlin/Java ๋˜๋Š” Go ๊ธฐ๋ฐ˜ Backend ๊ฐœ๋ฐœ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„Spring Framework ๋˜๋Š” Gin ๋“ฑ Web Framework ์‚ฌ์šฉ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„RDB ๋ชจ๋ธ๋ง ๋ฐ ์„ฑ๋Šฅ ์ตœ์ ํ™”์— ๋Œ€ํ•œ ์ดํ•ด๋„๊ฐ€ ๋†’์œผ์‹  ๋ถ„์ฝ”๋“œ ๋ฆฌ๋ทฐ์™€ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์ž‘์„ฑ์— ์ต์ˆ™ํ•˜์‹  ๋ถ„๋™๋ฃŒ์™€์˜ ํ˜‘์—…๊ณผ ์ปค๋ฎค๋‹ˆ์ผ€์ด์…˜์„ ์†Œ์ค‘ํžˆ ์—ฌ๊ธฐ์‹œ๋Š” ๋ถ„์ž์‹ ์ด ๋งŒ๋“œ๋Š” ์„œ๋น„์Šค์— ์ฑ…์ž„๊ฐ์„ ๊ฐ€์ง€๊ณ , ๋” ๋‚˜์€ ๊ตฌ์กฐ๋ฅผ ๊ณ ๋ฏผํ•˜๋ฉฐ ํ•จ๊ป˜ ๊ฐœ์„ ํ•ด ๋‚˜๊ฐ€๊ณ  ์‹ถ์€ ๋ถ„์„ ๊ธฐ๋‹ค๋ฆฌ๊ณ  ์žˆ์–ด์š”. ์ด๋Ÿฐ ๊ฒฝํ—˜์ด ์žˆ์œผ์‹œ๋ฉด ๋” ์ข‹์•„์š”. ๋Œ€๊ทœ๋ชจ ํŠธ๋ž˜ํ”ฝ ํ™˜๊ฒฝ์—์„œ์˜ ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฐ ์šด์˜ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„Kafka, RabbitMQ ๋“ฑ MQ ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์‹œ์Šคํ…œ ๊ตฌ์ถ• ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„API Gateway ๋˜๋Š” Service Mesh ๋„์ž…ยท์šด์˜ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„๋Œ€๊ทœ๋ชจ ๋กœ๊ทธ ์ˆ˜์ง‘ยท์ฒ˜๋ฆฌ ํŒŒ์ดํ”„๋ผ์ธ ๊ตฌ์ถ• ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„Feature Flag ๊ธฐ๋ฐ˜ ์ ์ง„์  ๋ฐฐํฌ ์ฒด๊ณ„ ๋„์ž… ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„์žฅ์•  ๋Œ€์‘ ๋ฐ ๊ณ ๊ฐ€์šฉ์„ฑ(HA) ์‹œ์Šคํ…œ ์„ค๊ณ„ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„Low Latency ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ฐœ๋ฐœ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„AWS, Kubernetes ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค ์šด์˜ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„AI ๋„๊ตฌ๋ฅผ ํ™œ์šฉํ•œ ๊ฐœ๋ฐœ ๊ฒฝํ—˜์„ ๋ณด์œ ํ•˜์‹  ๋ถ„ [๊ธฐํƒ€ ์•ˆ๋‚ด์‚ฌํ•ญ] โ€ป ์ž…์‚ฌ์ง€์›์‹œ ์ƒ์„ธ ๊ฒฝ๋ ฅ ๊ธฐ์ˆ ์„œ ์ œ์ถœ ํ•„์ˆ˜ : ํ˜‘์—…์œผ๋กœ ์ง„ํ–‰ํ•œ ํ”„๋กœ์ ํŠธ์˜ ๊ฒฝ์šฐ, ๋ณธ์ธ์˜ ROLE ๋ช…ํ™•ํ•˜๊ฒŒ ์ž‘์„ฑ ๋ฐ”๋ž๋‹ˆ๋‹ค. โ–  ์ ‘์ˆ˜ ๊ธฐ๊ฐ„ : ์ฑ„์šฉ ์‹œ ๋งˆ๊ฐ - ์ฑ„์šฉ ์™„๋ฃŒ ์‹œ ๋งˆ๊ฐ๋  ์ˆ˜ ์žˆ์œผ๋‹ˆ ์ง€์› ์˜์‚ฌ๊ฐ€ ์žˆ์œผ์‹  ๋ถ„์€ ๋น ๋ฅด๊ฒŒ ์ง€์› ํ•˜์‹œ๊ธฐ๋ฅผ ๊ถŒ์žฅ ๋“œ๋ฆฝ๋‹ˆ๋‹ค. โ–  ์ฑ„์šฉ ํ”„๋กœ์„ธ์Šค ์ „ํ˜•์ ˆ์ฐจ : ์„œ๋ฅ˜์ „ํ˜• โ–ถ 1์ฐจ ๋ฉด์ ‘ โ–ถ CJ Culture Fit Test ๋ฐ 2์ฐจ ๋ฉด์ ‘ โ–ถ ์ตœ์ข…ํ•ฉ๊ฒฉ - ์„ธ๋ถ€์ผ์ •์€ ํ•ฉ๊ฒฉ์ž์— ํ•œํ•˜์—ฌ ๊ฐœ๋ณ„ ๊ณต์ง€ ๋“œ๋ฆด ์˜ˆ์ •์ž…๋‹ˆ๋‹ค. - ํ•ด๋‹น ์ฑ„์šฉ ์„œ๋ฅ˜ ์ „ํ˜•์€ Working Day ๊ธฐ์ค€ 24์‹œ๊ฐ„ ๋‚ด ๊ฒฐ๊ณผ ์•ˆ๋‚ด ๋“œ๋ฆด ์˜ˆ์ •์ž…๋‹ˆ๋‹ค. โ–  ๊ทผ๋ฌด์ง€ : ์„œ์šธ ๊ฐ•๋‚จ๊ตฌ ์„ ๋ฆ‰๋กœ 428 โ–  ์ง€์› ์•ˆ๋‚ด์‚ฌํ•ญ - ๊ฐ ๋‹จ๊ณ„๋ณ„ ์ผ๋ถ€ ์ „ํ˜• ๊ณผ์ •์ด ์ถ”๊ฐ€ ๋˜๋Š” ์ƒ๋žต๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. - ๊ตญ๊ฐ€๋“ฑ๋ก ์žฅ์• ์ธ ๋ฐ ๊ตญ๊ฐ€๋ณดํ›ˆ์ž๋Š” ๊ด€๋ จ๋ฒ•์— ์˜๊ฑฐํ•˜์—ฌ ์šฐ๋Œ€ํ•ฉ๋‹ˆ๋‹ค. - ๋ณ‘์—ญํ•„ ๋˜๋Š” ๋ฉด์ œ๋กœ ํ•ด์™ธ์—ฌํ–‰์— ๊ฒฐ๊ฒฉ์‚ฌ์œ ๊ฐ€ ์—†๋Š” ๋ถ„์— ํ•œํ•ด ์ง€์›์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. - ์ง€์›์„œ ๋‚ด์šฉ์ด ์‚ฌ์‹ค๊ณผ ๋‹ค๋ฅธ ๊ฒฝ์šฐ ๋ถˆ์ด์ต(์ฑ„์šฉ์ทจ์†Œ ๋“ฑ)์ด ์žˆ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. - ์ตœ์ข… ์ œ์ถœ ์ดํ›„ ๋ฐ ๋งˆ๊ฐ์‹œ๊ฐ„ ์ดํ›„์—๋Š” ์ง€์›์„œ ์ˆ˜์ •์ด ๋ถˆ๊ฐ€ ํ•ฉ๋‹ˆ๋‹ค. - ์ „ํ˜• ์ค‘ ์ง€์›์„œ๋ฅผ ์‚ญ์ œํ•˜์‹  ๊ฒฝ์šฐ ์ „ํ˜•์ง„ํ–‰ ํฌ๊ธฐ๋กœ ๊ฐ„์ฃผ๋ฉ๋‹ˆ๋‹ค. - ํ‹ฐ๋น™์—์„œ ์ง„ํ–‰ ์ค‘์ธ ๊ณต๊ณ  ๊ฐ„ ์ค‘๋ณต ์ง€์›์€ ๋ถˆ๊ฐ€ ํ•ฉ๋‹ˆ๋‹ค. ๋ณธ์ธ์˜ ๊ฒฝ๋ ฅ๊ณผ ๊ฐ€์žฅ ๋ถ€ํ•ฉํ•˜๋Š” ์ „ํ˜•/์ง๋ฌด ํ•˜๋‚˜๋ฅผ ์„ ํƒํ•˜์‹  ํ›„ ์ง€์› ๋ถ€ํƒ ๋“œ๋ฆฝ๋‹ˆ๋‹ค. (์ง€์›ํ•˜์‹  ์ „ํ˜• ์ข…๋ฃŒ ์‹œ, ํƒ€ ๋ชจ์ง‘ ์ „ํ˜•์œผ๋กœ ์ง€์› ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.) ๐ŸŽ ํ‹ฐ๋น™์˜ ๋ณต์ง€์ œ๋„ ๋ณด๊ธฐ