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아카이브 글

트렌드 먼저 최근 운영 이슈와 시니어 해석만 빠르게 보기 개념부터 보강 심화 학습 글만 모아 체계적으로 따라가기 구현 문맥 보기 프로젝트 시리즈와 설계 변화만 이어서 보기

백엔드 커리큘럼 심화: Snapshot Isolation, Serializable, Write Skew 실무 판단 플레이북

백엔드 커리큘럼 심화: Snapshot Isolation, Serializable, Write Skew 실무 판단 플레이북

트랜잭션 격리 수준을 이론으로만 외우지 않고, write skew가 실제로 언제 터지는지, Snapshot Isolation과 Serializable을 어떤 기준으로 고를지 운영 숫자와 함께 정리합니다.

2026 개발 트렌드: Test Evidence Pipeline, AI가 만든 변경은 코드보다 '증거 묶음'으로 리뷰된다

2026 개발 트렌드: Test Evidence Pipeline, AI가 만든 변경은 코드보다 '증거 묶음'으로 리뷰된다

AI가 생성하는 코드와 문서 변경이 늘면서, 좋은 팀들은 diff 자체보다 테스트 증거, 정책 통과, 위험 태그, 복구 계획이 함께 묶인 evidence pipeline을 먼저 설계하고 있습니다.

2026-04-10 개발 뉴스 시니어 인사이트: 에이전트 런타임, 세션 보안, 운영 단순화의 기준이 다시 쓰인다

2026-04-10 개발 뉴스 시니어 인사이트: 에이전트 런타임, 세션 보안, 운영 단순화의 기준이 다시 쓰인다

오늘 개발 뉴스의 핵심은 더 강한 모델보다 더 안전한 런타임, 더 화려한 아키텍처보다 더 검증 가능한 운영 기준으로 무게중심이 이동하고 있다는 점이다.

백엔드 커리큘럼 심화: Advisory Lock 실무 플레이북, DB 락으로 어디까지 해결하고 언제 다른 조율 방식으로 넘어갈까

백엔드 커리큘럼 심화: Advisory Lock 실무 플레이북, DB 락으로 어디까지 해결하고 언제 다른 조율 방식으로 넘어갈까

중복 실행 방지, 단일 작업자 선출, 배치 겹침 차단 같은 문제를 Advisory Lock으로 해결할 때의 설계 기준과 한계를 숫자 중심으로 정리합니다.

2026 개발 트렌드: Harness Engineering, 에이전트 품질은 모델보다 실행 프레임에서 더 빨리 갈린다

2026 개발 트렌드: Harness Engineering, 에이전트 품질은 모델보다 실행 프레임에서 더 빨리 갈린다

최근 개발팀의 관심이 프롬프트 최적화에서 실행 프레임 설계로 이동하고 있습니다. Harness Engineering이 왜 에이전트 도입의 실질 성패를 가르는지 실무 기준으로 정리합니다.

2026-04-09 개발 뉴스 인사이트: 좋은 팀은 더 많은 도구보다 더 적은 리스크를 설계한다

2026-04-09 개발 뉴스 인사이트: 좋은 팀은 더 많은 도구보다 더 적은 리스크를 설계한다

오늘 개발 뉴스의 공통 신호는 분명합니다. 팀 경쟁력은 새 도구를 빨리 붙이는 속도보다, 코드베이스 진단, 하네스 설계, 공급망 보안, 프레임워크 선택, 장기 운영 리스크를 얼마나 구조적으로 관리하느냐에서 갈립니다.

백엔드 커리큘럼 심화: Webhook Delivery Reliability 플레이북 (Signature·Retry·Idempotency·DLQ)

백엔드 커리큘럼 심화: Webhook Delivery Reliability 플레이북 (Signature·Retry·Idempotency·DLQ)

외부 시스템으로 webhook를 보내는 백엔드에서 중복 전송, 유실, 서명 검증 실패, 재시도 폭주를 줄이기 위한 실무 기준을 숫자와 우선순위 중심으로 정리합니다.

2026 개발 트렌드: Passkey + Device-Bound Session, 비밀번호 폐기 다음 병목은 세션 탈취 방어

2026 개발 트렌드: Passkey + Device-Bound Session, 비밀번호 폐기 다음 병목은 세션 탈취 방어

로그인 단계의 피싱 저항성은 크게 개선됐지만, 실제 사고는 세션 탈취 이후에 터집니다. 최근 팀들이 Passkey와 Device-Bound Session을 함께 도입하는 이유와 실무 기준을 정리합니다.