SUMMARY:

• Having 10+ years of experience in Performance Engineering and tuning of various infrastructure components. Involved in complete performance testing lifecycle and used Load Runner Tool in commercial applications
• Provide extensive support on performance issues resolutions in both lower and the production environments along with the release activities Side by Side.
• Gather the production logs from Splunk and design/develop the system load models to simulate the production behavior in the lower environments.
• Based on the load model, convert the business critical scenarios to scripts using HP Loadrunner/SOAP UI and validate the scripts with test data
• Configure the required monitoring around the applications under load and validate the required logs are getting captured
• Execute the tests using HP Performance Center and analyze/Monitor the application with the help of CA Wily, Oracle Enterprise Manager and Tivoli Enterprise Manager tools
• Monitor JVM, HEAP and Memory pools utilizations during the test execution and provide the appropriate recommendations
• Monitor and analyze the Oracle DB with the help of OEM identify the slow running queries and tune the queries as per the recommendations
• Capture the AWR reports for the test runs and analyze the reports for any DB related issues or slowness
• Having expertise on performance testing of the applications on Mongo DB using Studio3T and OPS Manager
• Create index based on the DB query analysis with the proper index analysis.
• Monitor the production systems post deployment of application using Splunk and CA Wily.
• As Confidential newly introducing Docker, providing the Production move Signoff based on performance test results.
• Performing Dockerization container level performance tests and provide signoff
• Dockerization of the APIs and monitoring of the production Universal Control Plane (UCP).
• Monitor the Docker environment Confidential CPU, Memory and I/O related using UCP
• Analyze the Docker Container behavior and propose the appropriate Java options(ADD OPTS)
• Work with support teams to analyze the severe alerts and provide the appropriate recommendations/fix to resolve the issue.
• Involved in the LIVE Load testing of Confidential website and mobile application
• Attend the weekly performance review meeting and highlight the issues that has been recorded and proposing the proactive measures to stop the future occurrences.
• Implement performance test strategy and plans to validate the requirements are met.
• Ensure test deliverables are prepared as per the guidelines.
• Collect and report test results through various metrics reporting tools and communicating to key stakeholders on a regular basis
• Reviewing the Performance test results with the stakeholders and providing the required details for Go/No-go decisions to the stakeholders.
• Identifying the areas of system performance improvements and submitting proposals for them.
• Attend the SWAT calls in case of any production issues where different groups required to resolve few production issues
• Having hands on experience with various performance testing tools like Rational Performance Tester, APICA, Jmeter and SoapUI
• Worked with WEB (HTTP/HTML), Web Services and ERP (Oracle NCA), Siebel protocols, Ajax TrueClient.

TECHNICAL SKILLS:

Operating systems: Windows NT/2000/XP, Unix

Programming Languages: C++, C, python

RDBMS: Oracle, mySQL, DB2, Mongo DB

Performance Testing Tools: LoadRunner, Performance Center, SiteScope, ALM, HP Diagnostics, SOAPUI, Rational Performance Tester, Jmeter, Neoload

LoadRunner Protocols: Web(http/html), Web services(SOAP, REST), Citrix ICA, Siebel Web, Ajax TrueClient

Monitoring Tools: CA Wily, SPLUNK, Tivoli Enterprise Monitoring, Oracle Enterprise Manager, Appdynamics, Zenoss, Universal Control Pane(UCP), Mongo DB OPS Manager

PROFESSIONAL EXPERIENCE:

Performance Tech Lead

Confidential, Mason, OH

RESPONSIBILITIES:

• Proactive monitoring of the PROD systems and take appropriate actions to avoid the failures
• Work on the release items as part of Scrum teams and manage production infrastructure side by side.
• Initiating the performance testing engagements with clients and initiations
• Gathering performance testing requirements and understanding the NFR s
• Creating the Work load model and user profiles for the performance testing
• Performing Dockerization container level performance tests and provide signoff
• Dockerization of the APIs and monitoring of the production containers
• Monitor the Docker environment Confidential CPU, Memory and I/O related using UCP and CA wily
• Analyze the Docker Container behavior and propose the appropriate Java options(ADD OPTS)
• Work with support teams to analyze the severe alerts and provide the appropriate recommendations/fix to resolve the issue.
• Analyze the heap issues both the prod and test environments and provide the necessary JVM options
• Performing HEAP/Thread dumps analysis using JVisualVM and MAT
• Monitoring the Mongo DB, DB2 and Oracle Databases both the production
• Attend SWAT calls for any PROD issues and debug and provide required recommendations
• Raising appropriate flag with product owners based on the performance test results and thus highlighting the possible risks

Environment: HP Load runner, HP Performance Centre, CA Wily, SPLUNK, OEM, SOAPUI, TEPS, Docker UCP, Mongo DB OPSManager

Performance Test Lead

Confidential, Sunnyvale, CA

RESPONSIBILITIES:

• Planed, designed, Implemented and Executed Stress/Load/Performance Testing Efforts.
• Managed a team of Performance Testing resources both onsite and offshore.
• Analyzed System Usage by reviewing the user profile, transaction profile, system resource usage diagrams and designed performance, stress, Endurance tests.
• Created scripts in VuGen and configure Scenarios to meet the load testing requirements in Performance Center.
• Extensively used Web (Http/html) and Web services protocols in Loadrunner.
• Automated the major functionalities of the application and the bugs reported using Jmeter.
• Developed and deployed test Load scripts to do end to end performance testing using LoadRunner.
• Worked closely with Software Developers to isolate, track, debugging and troubleshoot defects.
• Performed the Endurance test by executing the test for longer hours in order to find out any Memory Leaks, slow resource consumption problem.
• Monitoring servers using various tools like Appdynamics, Dynatrace, Zenoss, and Axibase.
• Monitored executions of the test scripts using Performance center and monitored the online graphs results.
• Worked with numerous online monitoring graphs/monitors in LoadRunner to see the performance issues and to identify bottleneck areas.

Environment: LoadRunner, SoapUI, Performance Center, Appdynamics, Zenoss, Hadoop Eco system, Splunk, Axibase

Senior Performance Tester

Confidential, Welwyn Garden City, UK

RESPONSIBILITIES:

• Delivered 2014 successful Christmas for confidential  (biggest and the only profit making online-grocery-home-shopping business of the world; taking 200,000+ orders on the peak-day with 60 avg. basket-items/customer and 30 million daily page-hits)
• Generating live load test packs and executing live load testing on the production systems
• Creating the Work load model and user profiles for the performance testing of Mobile App.
• Developing the customized scripts using the REST Commands for Mobile app.
• Coordinating with the functional teams to understand the functional aspects of the Tesco e-commerce.
• Maintaining test data for the performance tests on a daily basis
• Presenting the comparative results reports to the stakeholders and highlighting the risk patterns
• Driving the Live load tests and coordinating with all the teams during tests
• Monitoring the servers utilizations during the load test reporting the issues Confidential run time with development teams for further investigations
• Raising appropriate flag with product owners based on the performance test results and thus highlighting the possible risks

Environment: Load Runner, Performance Center, Appdynamics, Splunk.

Senior Performance Tester

Confidential

RESPONSIBILITIES:

• Developed custom Vuser Scripts utilizing Virtual User Generator that emulates important application Load critical transactions.
• Verified the scalability, performance, and load balancing of the data streaming application.
• Creating scripts and executing the scripts for performance testing using HP Loadrunner
• Tuning the Oracle DB and the application servers
• Coordinating with the functional teams to understand the functional aspects of the CRM and other systems.
• Analysis of Application Simulation Models and creating the desired scripts.
• Understanding the system infrastructure and gathering the required information from the other teams.
• Preparation of data sets for the test execution

Environment: Loadrunner, Quality Center, Performance Center

Performance Tester

Confidential

RESPONSIBILITIES:

• Developed custom Vuser Scripts utilizing Virtual User Generator that emulates important application Load critical transactions.
• Performed and Monitored web and Batch Performance Testing of the critical path flows
• Performed webpage Diagnostics and improved the performance of page loading
• Verified the scalability, performance, and load balancing of the data streaming application.
• Creating scripts and executing the scripts for performance testing using HP Loadrunner
• Tuning the Oracle DB and the application servers
• Coordinating with the functional teams to understand the functional aspects of the CRM and other systems.
• Analysis of Application Simulation Models and creating the desired scripts.
• Understanding the system infrastructure and gathering the required information from the other teams.
• Preparation of data sets for the test execution

Environment: Loadrunner, Quality Center, Performance Center

Performance Tester

Confidential

RESPONSIBILITIES:

• Create scripts and executed the scripts for performance testing using Rational performance tester
• Involved in performance testing estimations and Resource management activities
• Conducting client call to understand the performance requirements providing appropriate solutions
• Investigation reports were provided with Recommendations
• Preparing weekly status reports and updating the latest happenings in test phase
• Managed a team of 2 resources

Environment: Quality Center, Rational Performance Tester (RPT)

Performance Tester

Confidential

RESPONSIBILITIES:

• Create scripts and executed the scripts for performance testing using Rational performance tester
• Involved in performance testing estimations and Resource management activities
• Conducting client call to understand the performance requirements providing appropriate solutions
• Investigation reports were provided with Recommendations
• Preparing weekly status reports and updating the latest happenings in test phase
• Managed a team of 2 resources

Environment: Rational Performance Tester (RPT), PEGA CRM