Database architect, designing, web application, scalable, efficient, secure, cloud-based, multi-tier, relational databases, MySQL, PostgreSQL, NoSQL databases, MongoDB, Cassandra, data modeling, entity-relationship diagrams, UML class diagrams, normalization, denormalization, indexing, caching, load balancing, replication, sharding, data warehousing, ETL processes, OLAP cubes, business intelligence, data visualization, dashboard, reporting, analytics, real-time monitoring, alert systems, notification systems, user authentication, authorization, encryption, backups, disaster recovery, high availability, redundancy, clustering, distributed databases, graph databases, time-series databases.