PostgreSQL, Redshift, MySQL, Performance Monitoring, AWS, Query optimizers, Transaction isolation, Execution plans, Performance tuning and optimization, Statistics, Workload modeling, Infrastructure as Code using Terraform, Aurora, Iceberg, Capacity Planning, Database-backed APIs, Cost Optimization, Indexing

Java, Cassandra, PostgreSQL, Sql, Gcp, Terraform, shell scripting, Ansible, MySQL, MongoDB, Python, AWS, Citus for PostgreSQL, Infrastructure as Code, Amazon Aurora, database sharding technologies, high-availability databases, Patroni