Database Reliability Engineer (DBRE) - Mercari
想定年収
応相談
勤務地
東京都 港区
リモート
リモート可
募集中
仕事内容
メルカリのDBRE（Database Reliability Engineering）チームで、本番データベースの信頼性・スケーラビリティ・コスト効率を担うDatabase Reliability Engineer。商品・取引・ユーザーデータを管理するTiDB Cloud（数十万QPS、99.99% SLA）を運用し、AlloyDB・CloudSQL・Spannerへのマルチエンジン化を推進する。データベースマイグレーション、CDC/ストリーミングパイプライン構築、IaC自動化、SLO/SLI監視を担う。
求めるスキル・経験
必須
Production DBA or DBRE experience with MySQL, TiDB, PostgreSQL, or an equivalent RDBMS, including an understanding of internals (replication, indexing, query planning).
Experience operating databases at scale (>10K QPS or >1TB datasets) under production SLAs.
Production experience with GCP or AWS managed database services (CloudSQL, AlloyDB, RDS, Aurora, or equivalent).
Infrastructure-as-Code experience (Terraform, Ansible) and scripting in Go, Python, or shell.
Hands-on experience with database monitoring and observability (Datadog, Grafana, or equivalent).
Experience owning incident response, performance tuning, and on-call or on-support rotations.
English: Independent (CEFR – B2) required
歓迎
Experience with distributed database internals (sharding, replication, consensus) or operating TiDB, Spanner, Vitess, or CockroachDB in production.
CDC / streaming pipeline experience (Debezium, TiCDC, Kafka Connect, or similar).
Kubernetes operational experience.
Experience leading major database migrations (engine, version, or data center).