Job descriptionDevelop performance simulators using Java, PL / SQL, PythonConduct performance testing using JMeter, LoadRunner, or custom toolsPerform diagnostics using DynaTrace, AppDynamicsAnalyze system metrics, thread dumps, and heap dumpsOptimize JVM heap size and garbage collectionTune database queries and analyze performance bottlenecksCollaborate with Agile teams and contribute to CI / CD pipelinesMonitor and troubleshoot application performance across middleware and cloud environments