Senior Backend Engineer (Agentic AI Platform)

42dotยท ENGINEERING
Apply Now โ†—
๐ŸŒ Remote๐Ÿ“ Pangyo (Software Dream Center), South KoreaFullTime

About this role

We are looking for the best

42dot์€ ์†Œํ”„ํŠธ์›จ์–ด์™€ AI๋กœ ๋ชจ๋นŒ๋ฆฌํ‹ฐ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ๋…ธ๋ ฅํ•˜๋Š” ๋ชจ๋นŒ๋ฆฌํ‹ฐ AI ๊ธฐ์—…์ž…๋‹ˆ๋‹ค. ํ˜„๋Œ€์ž๋™์ฐจ๊ทธ๋ฃน ๊ธ€๋กœ๋ฒŒ ์†Œํ”„ํŠธ์›จ์–ด ์„ผํ„ฐ๋กœ์„œ, 42dot์€ ์†Œํ”„ํŠธ์›จ์–ด ์ •์˜ ์ฐจ๋Ÿ‰ ๊ฐœ๋ฐœ์„ ์„ ๋„ํ•˜๋ฉฐ ๋ฏธ๋ž˜ ๋ชจ๋นŒ๋ฆฌํ‹ฐ๋ฅผ ๊ฐœ์ฒ™ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Agentic AI Platform ํŒ€์€ LLM ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค์˜ ์šด์˜ ๊ฐ€์‹œ์„ฑ(Observability)์„ ํ™•๋ณดํ•˜๊ณ , ๋น„์šฉยท์†๋„ยทํ’ˆ์งˆ ์ง€ํ‘œ๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๊ด€์ธกยท์ œ์–ดํ•˜๋Š” Agentic AI Console ํ”Œ๋žซํผ์„ ์„ค๊ณ„ยท๊ฐœ๋ฐœํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. LLM Gateway, Content Provider ํ†ตํ•ฉ, ์‚ฌ์šฉ๋Ÿ‰ ๋ฏธํ„ฐ๋ง, ์•Œ๋ฆผ ์‹œ์Šคํ…œ ๋“ฑ AI ์„œ๋น„์Šค ์šด์˜์— ํ•„์š”ํ•œ ์ „๋ฐฉ์œ„ ํ”Œ๋žซํผ์„ ๊ตฌ์ถ•ํ•˜๋ฉฐ, ๋ชจ๋“ˆํ˜• ๋ชจ๋†€๋ฆฌ์Šค์—์„œ ์ ์ง„์  ์„œ๋น„์Šค ๋ถ„๋ฆฌ๊นŒ์ง€ ์•„ํ‚คํ…์ฒ˜์˜ ์ง„ํ™”๋ฅผ ์ง์ ‘ ์ด๋Œ์–ด๊ฐˆ ์‹œ๋‹ˆ์–ด ๋ฐฑ์—”๋“œ ์—”์ง€๋‹ˆ์–ด๋ฅผ ์ฐพ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Responsibilities

  • FastAPI ๊ธฐ๋ฐ˜ Modular Monolith ์•„ํ‚คํ…์ฒ˜์˜ ๋ฐฑ์—”๋“œ ์„œ๋น„์Šค ์„ค๊ณ„ ๋ฐ ๊ฐœ๋ฐœ

  • LLM Gateway(LiteLLM) ๋ฐ AI Observability(Langfuse) ์—ฐ๋™ ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฐ ๊ตฌํ˜„

  • ๋‹ค์ค‘ Content Provider(1st Party ์‚ฌ๋‚ด๋ง / 3rd Party ์ธํ„ฐ๋„ท๋ง) ํ†ตํ•ฉ์„ ์œ„ํ•œ CP Gateway ๋ชจ๋“ˆ ์„ค๊ณ„ ๋ฐ ๊ฐœ๋ฐœ

  • PostgreSQL(OLTP) / ClickHouse(OLAP) / Redis ๊ธฐ๋ฐ˜ ๋ฐ์ดํ„ฐ ํŒŒ์ดํ”„๋ผ์ธ ๋ฐ ๋ฏธํ„ฐ๋ง ์‹œ์Šคํ…œ ๊ตฌ์ถ•

  • Celery ๊ธฐ๋ฐ˜ ๋น„๋™๊ธฐ ์ž‘์—… ์ฒ˜๋ฆฌ (๋ฆฌํฌํŠธ ์ƒ์„ฑ, Usage ETL, CSV ๋‚ด๋ณด๋‚ด๊ธฐ ๋“ฑ)

  • KrakenD API Gateway๋ฅผ ํ†ตํ•œ JWT ์ธ์ฆยท๋ผ์šฐํŒ…ยทRate Limit ์„ค์ • ๋ฐ ์šด์˜

  • Grafana Alerting ์—ฐ๋™ ์•Œ๋ฆผ ์‹œ์Šคํ…œ(Slack/Email) ๊ตฌํ˜„

  • RBAC ๊ธฐ๋ฐ˜ ์ ‘๊ทผ ์ œ์–ด ๋ฐ ๊ฐ์‚ฌ ๋กœ๊ทธ ์‹œ์Šคํ…œ ์„ค๊ณ„

  • ๋ถ€ํ•˜/๋ณ€๊ฒฝ ๋นˆ๋„ ๊ธฐ๋ฐ˜์˜ ๋‹จ๊ณ„์  ์„œ๋น„์Šค ๋ถ„๋ฆฌ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„ ๋ฐ ์‹คํ–‰

Qualifications

  • Python ๋ฐฑ์—”๋“œ ๊ฐœ๋ฐœ 7๋…„ ์ด์ƒ ๊ฒฝํ—˜

  • FastAPI ๋˜๋Š” ๋™๋“ฑ ์ˆ˜์ค€์˜ ๋น„๋™๊ธฐ ์›น ํ”„๋ ˆ์ž„์›Œํฌ ์‹ค๋ฌด ๊ฐœ๋ฐœ ๊ฒฝํ—˜

  • SQLAlchemy(async) / Alembic ๋“ฑ ORM ๋ฐ DB ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋„๊ตฌ ํ™œ์šฉ ๊ฒฝํ—˜

  • PostgreSQL ๊ธฐ๋ฐ˜ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค๊ณ„ ๋ฐ ์šด์˜ ๊ฒฝํ—˜ (ํŒŒํ‹ฐ์…”๋‹, ์ธ๋ฑ์Šค ์ตœ์ ํ™”, ์ฟผ๋ฆฌ ํŠœ๋‹)

  • Redis๋ฅผ ํ™œ์šฉํ•œ ์บ์‹ฑ, ๋ถ„์‚ฐ ๋ฝ, ๋ฉ”์‹œ์ง€ ๋ธŒ๋กœ์ปค ์šด์˜ ๊ฒฝํ—˜

  • RESTful API ์„ค๊ณ„ ๋ฐ ๊ตฌํ˜„ ๊ฒฝํ—˜ (OpenAPI/JSON:API ์ŠคํŽ™ ๊ธฐ๋ฐ˜ ๊ฐœ๋ฐœ ๊ฒฝํ—˜ ์šฐ๋Œ€)

  • ์ปจํ…Œ์ด๋„ˆ ํ™˜๊ฒฝ(Docker, Kubernetes)์—์„œ์˜ ์„œ๋น„์Šค ๋ฐฐํฌ ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • ์‹œ์Šคํ…œ ์žฅ์•  ๋Œ€์‘ ๋ฐ ์„ฑ๋Šฅ ๋ณ‘๋ชฉ ๋ถ„์„ยทํ•ด๊ฒฐ ๊ฒฝํ—˜

  • ๋ฌธ์ œ ํ•ด๊ฒฐ์„ ์œ„ํ•œ ๋…ผ๋ฆฌ์  ์‚ฌ๊ณ ์™€ ๊ธฐ์ˆ ์  ๋ฆฌ๋”์‹ญ

  • ์ ๊ทน์ ์œผ๋กœ ์˜๊ฒฌ์„ ์ œ์‹œํ•˜๊ณ  ํŒ€์›๋“ค๊ณผ ์›ํ™œํžˆ ์†Œํ†ตํ•  ์ˆ˜ ์žˆ๋Š” ๋Šฅ๋ ฅ

Preferred Qualifications

  • LLM ์„œ๋น„์Šค ์šด์˜ ๋˜๋Š” LLM Gateway/Proxy(LiteLLM, vLLM ๋“ฑ) ์‹œ์Šคํ…œ ๊ฐœ๋ฐœ ๊ฒฝํ—˜

  • API Gateway(KrakenD, Kong ๋“ฑ) ์„ค์ • ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • LGTM Stack(Grafana, Loki, Tempo, Mimir) ๊ธฐ๋ฐ˜ Observability ๊ตฌ์ถ• ๊ฒฝํ—˜

  • ClickHouse ๋“ฑ OLAP ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค๊ณ„ ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • Celery ๋˜๋Š” ์œ ์‚ฌ ๋น„๋™๊ธฐ ํƒœ์Šคํฌ ํ ์‹œ์Šคํ…œ ์„ค๊ณ„ยท์šด์˜ ๊ฒฝํ—˜

  • Kafka ๊ธฐ๋ฐ˜ ์ด๋ฒคํŠธ ์ŠคํŠธ๋ฆฌ๋ฐ ์‹œ์Šคํ…œ(Producer/Consumer) ์„ค๊ณ„ ๋ฐ ๊ฐœ๋ฐœ ๊ฒฝํ—˜

  • gRPC ๋˜๋Š” ์ŠคํŠธ๋ฆผ ๊ธฐ๋ฐ˜ ํ†ต์‹ (SSE, WebSocket) ๊ตฌํ˜„ ๊ฒฝํ—˜

  • ๋ชจ๋†€๋ฆฌ์Šค์—์„œ ๋งˆ์ดํฌ๋กœ์„œ๋น„์Šค๋กœ์˜ ์ ์ง„์  ๋ถ„๋ฆฌ๋ฅผ ์ฃผ๋„ํ•œ ๊ฒฝํ—˜

  • ํด๋ผ์šฐ๋“œ ํ™˜๊ฒฝ(AWS, GCP)์—์„œ์˜ ์ธํ”„๋ผ ์„ค๊ณ„ ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • GitOps(ArgoCD, Flux ๋“ฑ) ๊ธฐ๋ฐ˜ ๋ฐฐํฌ ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • ๋Œ€๊ทœ๋ชจ ํŠธ๋ž˜ํ”ฝ ํ™˜๊ฒฝ์—์„œ์˜ ๋ฐ์ดํ„ฐ ํŒŒ์ดํ”„๋ผ์ธ ์„ค๊ณ„ ๋ฐ ์šด์˜ ๊ฒฝํ—˜

  • ์• ์ž์ผ(Agile) ๋ฐ ์Šคํฌ๋Ÿผ(Scrum) ๋ฐฉ์‹์˜ ํ˜‘์—… ๊ฒฝํ—˜

Interview Process

  • ์„œ๋ฅ˜์ „ํ˜• - ์ฝ”๋”ฉํ…Œ์ŠคํŠธ - 1์ฐจ๋ฉด์ ‘ (1์‹œ๊ฐ„ ๋‚ด์™ธ) - 2์ฐจ๋ฉด์ ‘ (3์‹œ๊ฐ„ ๋‚ด์™ธ) - ์ตœ์ข…ํ•ฉ๊ฒฉ

  • ์ „ํ˜•์ ˆ์ฐจ๋Š” ์ง๋ฌด๋ณ„๋กœ ๋‹ค๋ฅด๊ฒŒ ์šด์˜๋  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ผ์ • ๋ฐ ์ƒํ™ฉ์— ๋”ฐ๋ผ ๋ณ€๋™๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • ์ „ํ˜•์ผ์ • ๋ฐ ๊ฒฐ๊ณผ๋Š” ์ง€์›์„œ์— ๋“ฑ๋กํ•˜์‹  ์ด๋ฉ”์ผ๋กœ ๊ฐœ๋ณ„ ์•ˆ๋‚ด๋“œ๋ฆฝ๋‹ˆ๋‹ค.

Additional Information

  • ์ด๋ ฅ์„œ ์ œ์ถœ ์‹œ ์ฃผ๋ฏผ๋“ฑ๋ก๋ฒˆํ˜ธ, ๊ฐ€์กฑ๊ด€๊ณ„, ํ˜ผ์ธ ์—ฌ๋ถ€, ์—ฐ๋ด‰, ์‚ฌ์ง„, ์‹ ์ฒด์กฐ๊ฑด, ์ถœ์‹  ์ง€์—ญ ๋“ฑ ์ฑ„์šฉ์ ˆ์ฐจ๋ฒ•์ƒ ์š”๊ตฌ ๊ธˆ์ง€๋œ ์ •๋ณด๋Š” ์ œ์™ธ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค.

  • ๋ชจ๋“  ์ œ์ถœ ํŒŒ์ผ์€ 30MB ์ดํ•˜์˜ PDF ์–‘์‹์œผ๋กœ ์—…๋กœ๋“œ๋ฅผ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค. (์ด๋ ฅ์„œ ์—…๋กœ๋“œ ์ค‘ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค๋ฉด ์ง€์›ํ•˜์‹œ๊ณ ์ž ํ•˜๋Š” ํฌ์ง€์…˜์˜ URL๊ณผ ํ•จ๊ป˜ ์ด๋ ฅ์„œ๋ฅผ recruit@42dot.ai์œผ๋กœ ์ „์†ก ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค.)

  • ์ธํ„ฐ๋ทฐ ํ”„๋กœ์„ธ์Šค ์ข…๋ฃŒ ํ›„ ์ง€์›์ž์˜ ๋™์˜ํ•˜์— ํ‰ํŒ์กฐํšŒ๊ฐ€ ์ง„ํ–‰๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • ๊ตญ๊ฐ€๋ณดํ›ˆ๋Œ€์ƒ์ž ๋ฐ ์ทจ์—…๋ณดํ˜ธ ๋Œ€์ƒ์ž๋Š” ๊ด€๊ณ„๋ฒ•๋ น์— ๋”ฐ๋ผ ์šฐ๋Œ€ํ•ฉ๋‹ˆ๋‹ค.

  • ์žฅ์• ์ธ ๊ณ ์šฉ ์ด‰์ง„ ๋ฐ ์ง์—…์žฌํ™œ๋ฒ•์— ๋”ฐ๋ผ ์žฅ์• ์ธ ๋“ฑ๋ก์ฆ ์†Œ์ง€์ž๋ฅผ ์šฐ๋Œ€ํ•ฉ๋‹ˆ๋‹ค.

  • 42dot์€ ์˜๋ขฐํ•˜์ง€ ์•Š์€ ์„œ์น˜ํŽŒ์˜ ์ด๋ ฅ์„œ๋ฅผ ๋ฐ›์ง€ ์•Š์œผ๋ฉฐ, ์š”์ฒญํ•˜์ง€ ์•Š์€ ์ด๋ ฅ์„œ์— ๋Œ€ํ•ด ์ˆ˜์ˆ˜๋ฃŒ๋ฅผ ์ง€๋ถˆํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

  • 3๊ฐœ์›”์˜ ์ˆ˜์Šต๊ธฐ๊ฐ„์ด ์ ์šฉ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

โ€ป ์ง€์› ์ „ ์•„๋ž˜ ๋‚ด์šฉ์„ ๊ผญ ํ™•์ธํ•ด ์ฃผ์„ธ์š”.

Frequently Asked Questions

Is the salary disclosed for the Senior Backend Engineer (Agentic AI Platform) position at 42dot?
The salary for this Senior Backend Engineer (Agentic AI Platform) role at 42dot is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Backend Engineer (Agentic AI Platform) job at 42dot remote?
Yes, this Senior Backend Engineer (Agentic AI Platform) position at 42dot is remote, with team members based in Pangyo (Software Dream Center), South Korea. You can work from home or anywhere in the supported regions.
Is the Senior Backend Engineer (Agentic AI Platform) role at 42dot full-time or part-time?
This is listed as a FullTime position. It is posted as a Senior Backend Engineer (Agentic AI Platform) role in the ENGINEERING department at 42dot.
Which team or department does the Senior Backend Engineer (Agentic AI Platform) at 42dot belong to?
This Senior Backend Engineer (Agentic AI Platform) position is part of the ENGINEERING department at 42dot. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Backend Engineer (Agentic AI Platform) position at 42dot?
Click the "Apply Now" button on this page. You will be redirected to 42dot's official application portal hosted on ashby where you can submit your application directly.
When was the Senior Backend Engineer (Agentic AI Platform) job at 42dot posted?
This Senior Backend Engineer (Agentic AI Platform) position at 42dot was posted on Apr 13, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Senior Backend Engineer (Agentic AI Platform)
42dot
Apply for this role โ†—

You'll be redirected to 42dot's official application page on Ashby ATS.