Senior Backend Engineer for Agentic AI platform, developing observability and monitoring tools for LLM-based services. Involves designing and building backend architectures and integrating content providers.
Responsibilities
FastAPI 기반 Modular Monolith 아키텍처의 백엔드 서비스 설계 및 개발
LLM Gateway(LiteLLM) 및 AI Observability(Langfuse) 연동 시스템 설계 및 구현
다중 Content Provider(1st Party 사내망 / 3rd Party 인터넷망) 통합을 위한 CP Gateway 모듈 설계 및 개발
PostgreSQL(OLTP) / ClickHouse(OLAP) / Redis 기반 데이터 파이프라인 및 미터링 시스템 구축
Celery 기반 비동기 작업 처리 (리포트 생성, Usage ETL, CSV 내보내기 등)
KrakenD API Gateway를 통한 JWT 인증·라우팅·Rate Limit 설정 및 운영
Grafana Alerting 연동 알림 시스템(Slack/Email) 구현
RBAC 기반 접근 제어 및 감사 로그 시스템 설계
부하/변경 빈도 기반의 단계적 서비스 분리 아키텍처 설계 및 실행
Requirements
Python 백엔드 개발 7년 이상 경험
FastAPI 또는 동등 수준의 비동기 웹 프레임워크 실무 개발 경험
SQLAlchemy(async) / Alembic 등 ORM 및 DB 마이그레이션 도구 활용 경험
PostgreSQL 기반 데이터베이스 설계 및 운영 경험 (파티셔닝, 인덱스 최적화, 쿼리 튜닝)
Redis를 활용한 캐싱, 분산 락, 메시지 브로커 운영 경험
RESTful API 설계 및 구현 경험 (OpenAPI/JSON:API 스펙 기반 개발 경험 우대)
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