Opis stanowiska

4 years of hands-on experience as a Database Administrator managing enterprise-scale production environments. In-depth practical knowledge of PostgreSQL: master-replica architectures, failover mechanisms (e.g., Patroni), logical/physical replication, and deep performance diagnostics (EXPLAIN plans, pg_stat_statements). Hands-on experience with MongoDB in distributed environments: sharding architecture, shard balancing, replica set election mechanics, aggregation pipeline tuning, and wiredTiger …