Do you have experience in performance testing?

I have worked on performance testing for several projects over the past four years. In my most recent role, I was responsible for designing and executing load tests for a high-traffic e-commerce platform. I used tools such as JMeter and LoadRunner to simulate thousands of concurrent users, focusing on key metrics like response time, throughput, and error rates. I also integrated performance testing into the CI/CD pipeline using Jenkins, ensuring that performance regressions were caught early. My approach involves identifying critical user journeys, setting realistic performance goals based on SLAs, and creating realistic test scenarios that mimic real-world usage patterns. I analyze results with Grafana dashboards and provide actionable recommendations to developers and infrastructure teams, such as optimizing database queries, scaling resources, and tuning application code. This iterative process helped reduce average response times by 30% and improved overall system stability.