JD map โ€” ๊ณต๊ณ ๊ฐ€ ๊ณง ์ •๋‹ต์ง€

Opendoor ๊ณต๊ณ  ํ•œ ์ค„ ํ•œ ์ค„ โ†’ ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ โ†’ ๋„ค ๋‹ต(์˜์–ด ๋งˆ์ดํฌ) โ†’ ์–ด๋””์„œ ์—ฐ์Šตํ•˜๋‚˜. ๋ชจ๋“  ์š”๊ตฌ์‚ฌํ•ญ์— ๋„ค ๋‹ต์ด ์žฅ์ „๋ผ ์žˆ์œผ๋ฉด ๋.

๋ฉด์ ‘ 3๋ผ์šด๋“œ โ†’ ๋Ÿฐ๋ถ

  • 1 ยท Recruiter screen (15 min)

    compยท๋น„์žยท์‹œ์ž‘์ผยท๋™๊ธฐ. ๊ธฐ์ˆ  ์•„๋‹˜ โ€” ๋น ๋ฅด๊ฒŒ ๋‚ ์•„์˜จ๋‹ค. /tomorrow 0๋ฒˆ ์„น์…˜์ด ๋ฆฌํ—ˆ์„ค.

    โ†’ D-Day โ€” 0๋ฒˆ ๋ฆฌํฌ๋ฃจํ„ฐ ์„น์…˜
  • 2 ยท Technical deep dive (60 min)

    ๊ณผ๊ฑฐ ํ”„๋กœ์ ํŠธ ํ•˜๋‚˜๋ฅผ 60๋ถ„ ๊นŠ๊ฒŒ. ERP-MES๊ฐ€ ๋„ค ์ŠคํŒŒ์ธ. ๋ถ„ ๋‹จ์œ„ ๋Ÿฐ๋ถ์œผ๋กœ ์—ฐ์Šต.

    โ†’ Deep dive โ€” 60๋ถ„ ๋Ÿฐ๋ถ
  • 3 ยท Pairing-style reviews (60 min ร— 2)

    '์••๋ฐ• ๋ฌธ์ œํ’€์ด๊ฐ€ ์•„๋‹ˆ๋ผ ๊ฐ™์ด ์ผํ•˜๋ฉด ์–ด๋–ค ์‚ฌ๋žŒ์ธ๊ฐ€'. think-aloud, AI ํ™œ์šฉ, ์ฝ”๋“œ๋ฆฌ๋ทฐ, ๋ฐ˜๋ฐ•/์ˆ˜์šฉ โ€” ํ˜‘์—… ๊ทธ ์ž์ฒด.

    โ†’ Pairing โ€” ํ”Œ๋ ˆ์ด๋ถ + ํ˜‘์—… ์˜์–ด

๊ณต๊ณ  ๋ฌธ์žฅ โ†’ ๋„ค ๋‹ต (ํ•˜๋‚˜์”ฉ ๋งํ•˜๊ธฐ)

  • โ€œYou ship. You pick the boring solution when boring is right and the novel one when it isn't.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ์œ ํ–‰ ์ข‡๋Š” ์‚ฌ๋žŒ ๊ฑฐ๋ฆ„. '์ผ๋‹จ ๋‹จ์ˆœํ•˜๊ฒŒ ์ถœ์‹œ, ์‹ ํ˜ธ๊ฐ€ ์˜ค๋ฉด ์˜ฌ๋ฆฐ๋‹ค' ํŒ๋‹จ์„ ๋ณธ๋‹ค.

    ๋„ค ๊ฐ: ERP-MES๊ฐ€ ์ •ํ™•ํžˆ ์ด๊ฑฐ๋‹ค โ€” ํ™”๋ คํ•œ ๋ฉ”์‹œ์ง€๋ฒ„์Šค ๋Œ€์‹  DB ์Šคํ…Œ์ด์ง• ํ…Œ์ด๋ธ” + 1๋ถ„ ์›Œ์ปค(boring)๋กœ ํ’€์—ˆ๊ณ , ๊ทธ๊ฑธ๋กœ ์ถฉ๋ถ„ํ–ˆ๋‹ค.

    โ€œI fixed our biggest data-integrity issue with a staging table and a one-minute worker โ€” boring on purpose, and it worked.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Decide โ€” boring vs novel ํŒ๋‹จ ์นด๋“œ
  • โ€œYou think in first principles... constraints, tripwires, and heuristics... formed through your experiences, not from a book.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ์ฑ… ์ง€์‹ ์•”์†ก X. '์–ด๋–ค ์‹ ํ˜ธ๊ฐ€ ์˜ค๋ฉด ์„ค๊ณ„๋ฅผ ๋ฐ”๊พธ๋Š”๊ฐ€'๋ฅผ ๋„ค ๊ฒฝํ—˜์œผ๋กœ ๋งํ•ด์•ผ ํ•จ.

    ๋„ค ๊ฐ: ํŠธ๋ฆฝ์™€์ด์–ด ์˜ˆ์‹œ๋ฅผ ๋ฏธ๋ฆฌ ์žฅ์ „: ์ฑ„๋ฒˆ ํ–‰ ๊ฒฝํ•ฉ(์ดˆ๋‹น ๋ช‡ ๊ฑด์ด๋ฉด FOR UPDATE๋กœ ์ถฉ๋ถ„ โ†’ ์ˆ˜์ฒœ์ด๋ฉด Hi/Lo), ShedLock skip-no-retry, ์›Œ์ปค pending ์ž„๊ณ„์น˜ ์•Œ๋ฆผ.

    โ€œMy rule of thumb: hold the lock only as long as the commit โ€” the moment waiters stack up, that's my tripwire to batch.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Decide โ€” ํŠธ๋ฆฝ์™€์ด์–ด ํฌํ•จ
  • โ€œYou're language-agnostic. We care about deep expertise, not loyalty to a specific stack.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: Java์—ฌ๋„ OK. ๊นŠ์ด๊ฐ€ ์˜ฎ๊ฒจ๊ฐ€๋Š”์ง€(transferable)๋ฅผ ๋ณธ๋‹ค.

    ๋„ค ๊ฐ: ํŒจํ„ด(outbox, ๋ฉฑ๋“ฑ์„ฑ, ๋ฝ, FSM)์€ ์–ธ์–ด ๋ฌด๊ด€ โ€” ์‹ค์ œ๋กœ .NET ๊ฒฝํ—˜์„ ์ „๋ถ€ Java๋กœ ๋‹ค์‹œ ํ‘œํ˜„ํ•ด๋ดค๋‹ค.

    โ€œThe patterns I care about โ€” outbox, idempotency, locking โ€” they don't care what language you write them in.โ€

    checking microphoneโ€ฆ

  • โ€œYou default to AI. You've already integrated modern AI tools into your daily workflow... not as a crutch.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: AI๋ฅผ ๋งค์ผ ์“ฐ๋˜ '๊ฒ€์ฆํ•˜๋ฉฐ' ์“ฐ๋Š”๊ฐ€. ์ด ํšŒ์‚ฌ ๋ฉด์ ‘์˜ ์ฐจ๋ณ„ ํฌ์ธํŠธ.

    ๋„ค ๊ฐ: ์ด ํŠธ๋ ˆ์ด๋„ˆ ์ž์ฒด๊ฐ€ ์ฆ๊ฑฐ โ€” AI๋ž‘ ๋งค์ผ ๋นŒ๋“œํ•˜๊ณ , AI ์ถœ๋ ฅ์„ ์ปดํŒŒ์ผยทํ…Œ์ŠคํŠธ๋กœ ๊ธฐ๊ณ„๊ฒ€์ฆํ•˜๊ณ , ์ผ๋ถ€๋Ÿฌ-ํ‹€๋ฆฌ๋Š” AI๋กœ ๋ฒ„๊ทธ ์žก๋Š” ์—ฐ์Šต๊นŒ์ง€.

    โ€œI build with AI every day โ€” but I treat its output as a draft, and I verify everything before it ships.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Copilot โ€” AI ์ง€ํœ˜ ์—ฐ์Šต
  • โ€œYou communicate well... push back on bad ideas without making it personal... explain a technical tradeoff to a non-technical stakeholder.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ๋ฆฌ๋ทฐยท๋ฐ˜๋ฐ•ยท๋น„๊ธฐ์ˆ ์ž ์„ค๋ช…. ํŽ˜์–ด๋ง ๋ผ์šด๋“œ์—์„œ ์ง์ ‘ ๋ณธ๋‹ค.

    ๋„ค ๊ฐ: ERP ํŒ€ ๋งค๋‹ˆ์ € 30๋ถ„ ๋Œ€ํ™”๋กœ ๊ณ„์•ฝ ๋ณ€๊ฒฝ ํ•ฉ์˜ํ•œ ๊ฒŒ ์ฆ๊ฑฐ. ๋น„๊ธฐ์ˆ  ์„ค๋ช…์€ '์ง‘ ํ•œ ์ฑ„' ๋น„์œ ๋กœ ์žฅ์ „.

    โ€œI'd put it like this: we never lose the record โ€” the other system just hears about it a minute later.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Pairing โ€” ๋ฐ˜๋ฐ•/์„ค๋ช… ํ”„๋ ˆ์ด์ฆˆ
  • โ€œExperience with relational databases and the ability to reason about performance at scale.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ๋ช…์‹œ ์š”๊ฑด. EXPLAINยท์ธ๋ฑ์Šคยท๋ฝยทํŽ˜์ด์ง€๋„ค์ด์…˜์„ '์™œ ๋А๋ฆฐ๊ฐ€'๋ถ€ํ„ฐ ์„ค๋ช…ํ•  ์ˆ˜ ์žˆ์–ด์•ผ.

    ๋„ค ๊ฐ: ์šด์˜ DB ์‚ฌ๊ณ (library cache ํญ์ฃผ)๋กœ ๋ผˆ์ €๋ฆฌ๊ฒŒ ๋ฐฐ์› ๊ณ , FOR UPDATE ์ฑ„๋ฒˆยทCTE ๋ฆฌํŒฉํ† ๋ง๊นŒ์ง€ ์‹ค์ „ ๊ฒฝํ—˜ ์žˆ์Œ.

    โ€œI learned database performance the hard way โ€” my unvetted query once froze real factory equipment.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: DB perf โ€” ์„ฑ๋Šฅ ์‚ฌ๋‹ค๋ฆฌ
  • โ€œOwn features end-to-end, from design through deployment and beyond.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ์ŠคํŽ™ ๋ฐ›์•„ ์ฐ๋Š” ์‚ฌ๋žŒ X. ๋„๋ฉ”์ธ ์ดํ•ดโ†’์„ค๊ณ„โ†’๊ตฌํ˜„โ†’๊ต์œก๊นŒ์ง€.

    ๋„ค ๊ฐ: ownership ์นด๋“œ ๊ทธ๋Œ€๋กœ โ€” ๋ณต์žกํ•œ ๊ณต์žฅ ๋„๋ฉ”์ธ์„ ๋๊นŒ์ง€ ์†Œ์œ ํ–ˆ๊ณ , ์‚ฌ์šฉ์ž ๊ต์œก๊นŒ์ง€ ํ–ˆ๋‹ค.

    โ€œYou can drop me into a messy domain and I'll own it end to end โ€” that's how I've always worked.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Leader โ€” ownership ์นด๋“œ
  • โ€œYou believe in what we're building. Not hype, conviction.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ๋ฏธ์…˜ ๊ณต๊ฐ โ€” ์™œ '์ง‘'์ธ๊ฐ€์— ๋„ค ๋‹ต์ด ์žˆ์–ด์•ผ.

    ๋„ค ๊ฐ: ์ œ์กฐ์—์„œ ํ•œ ์ผ(ํ•œ ๊ฐœ ๋‹จ์œ„ ์ถ”์ ยท์ •ํ•ฉ์„ฑยท์ด๋ ฅ)์ด ๊ณง '์ง‘ ํ•œ ์ฑ„'์— ํ•˜๋Š” ์ผ โ€” ์‚ฌ์—…๋ชจ๋ธ์ด ๊ฐ™๋‹ค๊ณ  ์ง„์‹ฌ์œผ๋กœ ๋А๊ผˆ๋‹ค.

    โ€œA home is like the units I tracked for six years โ€” one asset, one history, and the data has to be right.โ€

    checking microphoneโ€ฆ

    โ†’ ์—ฐ์Šต: Leader โ€” opendoor-fit
  • โ€œWe're process-light, high-trust... We do reviews, proposals, demos, and trust.โ€

    ์ง„์งœ ๋ฌป๋Š” ๊ฒƒ: ์Šค์Šค๋กœ ๊ตด๋Ÿฌ๊ฐ€๋Š” ์‚ฌ๋žŒ์ธ๊ฐ€. PM ์—†์ด ์ผํ•ด๋ณธ ์ฆ๊ฑฐ.

    ๋„ค ๊ฐ: ๊ณต์žฅ ํ˜„์žฅ์—์„  PM์ด ์—†์—ˆ๋‹ค โ€” ํ˜„์—…๊ณผ ์ง์ ‘ ๋ถ€๋”ชํ˜€ ์š”๊ตฌ๋ฅผ ์บ๊ณ , ํ•ฉ์˜๋ฅผ ๋งŒ๋“ค๊ณ , ๋ฐ๋ชจ๋กœ ๋ณด์—ฌ์คฌ๋‹ค.

    โ€œI'm used to no middle layer โ€” I talk to the people with the problem and show them working software.โ€

    checking microphoneโ€ฆ