Job Description :Job SummaryWe are hiring Database Engineers to manage and optimize our mission-critical database environments. You will specialize in PostgreSQL or MS SQL as your primary database, while providing mandatory cross-support for MongoDB, Redis during team absences. This role demands deep technical expertise, proactive problem-solving, and collaboration across infrastructure teams to ensure 24/7 database reliability, security, and performance.Technical RequirementsMandatory ExpertisePrimary Database (Choose One):PostgreSQL:HA: Streaming/logical replication, pgPool/pgBarman.Performance: Query tuning, vacuum optimization, partitioning.Secondary Databases (Mandatory for All):MongoDB: Replica sets, sharding, OpsManager, document modeling (embedding vs. referencing).Redis: Clustering, persistence (RDB/AOF), backup/DR strategies.Common Skills: Automation (PowerShell/Python), security hardening, backup/restore.