Tahsin Mujahid Chowdary

Experience

1. Performance Engineer

   PetSmart

   Nov 2018 — Present

   Extensively involved in all phases of Performance Test Life cycle in Implementing New process for performance testing as well as following the Existing process for Multiple Applications. • Extensively involved in performance testing of client-server, web services, web-based applications and Mobile applications. • Responsible for performance testing using Load Runner, JMeter and Performance test Engineering using Multiple Monitoring Tools Available. • Used Performance Center, standalone Controllers to create scenarios and run Performance tests. • Developed VUsers Scripts in Web (HTTP/HTML), JavaVuser.Net, Web Services protocol and Database Protocols. • Extensively used Performance Monitoring tools Dynatrace & App Dynamics, Wily Introscope and Site Scope to analyze the System resources bottlenecks like Memory Leaks, CPU & Network Bottlenecks as well as problematic application & DB components. • Independently developed various LoadRunner scripts using various protocols like Web (http/html), Web Services, Citrix, Splunk and Ajax TruClient • Analyzed results using Load Runner Analysis tool based on Transaction per Second, Average Response times and resource usage to meet the SLA (Service Level Agreements). • Generated performance graphs using tools like Splunk and Fog light etc • Extensively used JMeter for Performance testing SOA, Web services and API’s • Created custom java code in load runner to simulate load testing mq messages. • Involved in creating Dynatrace & App Dynamics dashboard, reports using built-in and/or custom measures to present testing and analysis results effectively. • Responsible for creating and maintaining production application dashboards using App-Dynamics, Wily and Cacti. • Responsible for Setting up user profiles, configuring and adding application servers on Dynatrace tool. • Maintained defect status and reported testing status weekly and monthly using defect tracking tools.