scalability testing , Non-functional requirements (NFR) validation, Java, Spring Boot, Stress Testing, Performance Tuning, Devops, Git, React, Groovy Scripting, Bitbucket, Blazemeter, Apache Jmeter, Agile, Load Testing, Python, Jenkins CI/CD pipelines, Endurance Soak Testing, Continuous Testing, Capacity Planning, Failure mode analysis, Bottleneck Analysis, Resiliency testing