Developed an accurate performance assessment solution in the DevOps model to evaluate real user experience in test environment. Providing web app performance assessment, capacity planning, code profiling, and framework performance validation via accurate performance testing to project teams *Managing onshore, offshore performance test teams. Create plan templates and organize test plans. Communicate perf test status, progress, ongoing risk assessments to project teams and business stakeholders effectively *Mentoring performance engineers on accurate performance assessment approach and random selection scripting for best real user simulation in performance testing *Implemented and administrating APM tool of Dynatrace for real time enterprise web app performance improvement *Developed a performance analytical service server based on R Shiny to internal DevOps teams by providing end user performance assessments, workload discovery and calibration, performance trend analysis *Defining load test environment in a scale-down version of prod system to save budget. Work closely with architecture and infrastructure teams to calibrate web system performance between test and prod for accurate performance assessment and prediction