DBA Postgres is the primary skill, secondary is mongoDB and Redis.
Required Skills &
Experience
Strong expertise in:
PostgreSQL Administration (replication, partitioning, optimization, extensions)
MongoDB Administration (replica sets, sharding, aggregation framework)
Redis (caching strategies, cluster mode, performance tuning)
Deep understanding of database internals, indexing strategies, query planning
& execution.
Experience with high availability (HA), clustering, and disaster recovery
design.
Familiarity with cloud-based database environments (AWS / GCP / Azure) is a
plus.
Strong scripting skills (Shell / Python) for automation.
Knowledge of observability tools (Prometheus, Grafana, CloudWatch, etc.) is
an advantage.