Database Developer

Job Description: Role Descriptions: 7-10 years in database engineering performance tuning across enterprise systems.Strong command of SQL optimization and query plan analysis tools (EXPLAIN| Query Store| AWRASH| DB2 Visual Explain).Hands-on with Mainframe data technologies DB2 for zOS| IMS DB| VSAM knowledge of JCLCOBOL for data-access patterns is a plus.Solid experience with AWS RDS (MySQLPostgresSQL ServerOracle)| Redshift| Athena| Glue| S3 tuning parameters| WLM| keys| partitions| compression.Proven track record improving high-throughput workloads TPS)| reducing query latency| and stabilizing peak-hour performance.Expertise in index design| statistics management| partitioning| and lockingconcurrency (deadlocks| isolation levels).Familiarity with data modeling (OLTP vs OLAP)| normalizationdenormalization trade-offs for performance.Proficiency with Linux and mainframe utilities for performance diagnostics scripting (PythonShell) for automation.Strong communication stakeholder manageme...