SUMMARY:

• Over 12 years of US experience in Performance engineering. Most recent years of experience cover a range of disciplines related to Performance test project planning, hands - on experience in test automation, capacity planning, workload analysis, performance test result analysis, performance trouble-shooting, and Quality Assurance.

PROFESSIONAL EXPERIENCE:

Confidential, Sacramento, CA

Senior Performance Engineer, IT Consulting Services.

Responsibilities:

• Work as the senior Performance Engineer to assure my| Confidential system performance and scalability. Build my| Confidential application production workload model to simulate peak-hour traffic, stress test scenario, and users’ usage pattern in performance testing scenarios. Obtain production transaction response time baseline, track and monitor system performance in production using OpNet.
• Design and implement LoadRunner Web Services Interface scripts in integrated load test scenarios to simulate Web Services Interfaces deployed in Oracle SOA clustered environment that integrate with test Interface Hubs in California State Departments and Agencies. Develop scripts with Web/HTTP protocol using C language for PSR project. Develop scripts with TruClient protocol using JavaScript language for CEC project.
• Prototype on CI/CD pipeline for DevOps, DevSecOps capability with Jenkins to integrate tools including Junit, Marven, Selenium, JMeter, SonarQube, Checkstyle in PSR environments.
• Lead performance testing team to develop performance test plans, test cases, LoadRunner, and JMeter scripts. Conduct workload study and setup LoadRunner automated test scenarios to simulate production transactions including web GUI, Web Services Interface, and REST APIs. Design test scenarios to simulation batch transaction window runs and monitor JVM, Oracle DB on Active batch transactions including Open Enrollment, Annual Health Plans, Annual Tax Forms, and Security Reports in non-production environments. Automation scripting with HP’s Unified Functional Test(UFT) automation scripting to integrate with LoadRunner suite to simulate IBM ClearQuest(CQ) Web Vusers in a load-test scenario. Analyze test results, detect performance issues, manage defects in HP ALM and IBM ClearQuest(CQ) environments. Coordinate with development teams over performance defects and validate the fixes.
• Drive performance trouble-shooting effort with resources from development and production support teams for performance issues in production environment. Work with development teams on Java coding best practice, JVM performance-tuning, reviewed architecture design and conduct SQL execution plan, code review. Analyze results from performance test and Capacity Planning projects, and report Performance Test results to project stake holders. Oracle SQL Execution plan, SQL code review. Performance tuning on SQL statements and Oracle DB cluster(RAC) performance tuning.
• Design and implement re-usable C library functions to be used in PSR project. Mentor and train junior resources on the team to obtain technical stress-and-load in VuGen scripting and LoadRunner configuration, test execution, and result analysis. Manage source code review process with vendor’s onsite resources.
• Create and manage JMeter test for my| Confidential performance testing effort. Design re-usable JMeter library functions and parameters to make JMeter scripts portable to run in different test environments. Develop JMeter test with BlazeMeter Chrome extension. Create JMeter test for REST API testing and Web Service Interface testing in PSR environments.
• Maintain SVN version control on test script repositories and manage users’ access to SVN system.
• Execute and monitor test runs including Smoke test, Stability test, Load test, Stress test. Monitor application, JVM attribute performance using HP’s SiteScope monitor, OpNet’s AppInternal, AppDynamics.
• Create, manage test plan, test lab modules and maintain test cases in HP’s QC and ALM environments. Create and manage defects in HP’s ALM and IBM’s ClearQuest(CQ) environments.

Confidential, San Ramon, CA

Performance Test Engineer, IT Consulting Services.

Responsibilities:

• Collaborated with architecture and development teams to analyze the Confidential application’s core functionalities and identify performance bottlenecks.
• Preformed in-depth analysis to isolate point of failure in the application.
• Coordinated with the DBA to effectively monitor the performance of test database and help in instructing export/import of specific data tables and schemas relevant to testing.
• Created a preliminary checklist along with the DBAs and the Development teams to ensure that performance testing is conducted effectively.
• Conducted results analysis and communicated technical issues with developers and architects. Created LoadRunner test script using C language. Conducted performance testing with LoadRunner controller deployed in HP’s Performance Center(PC) environment.
• Actively participated in the daily project meetings and walkthroughs.
• Gathered documentation for tracking maintaining creating and escalating daily issue logs.
• Created test plan daily work plan and final report upon completion of the testing engagement.
• Worked with Security team to supply test IDs and monitoring IDs with proper authorizations.
• Analyzed online monitor Graphs like Runtime Graphs, Transactions Graphs, Web Resource Graphs and System Resource Graphs.

Confidential

Performance Test Engineer, IT Consulting Services.

Responsibilities:

• Developed the test script using Web(http/html), Web Services and .Net protocols.
• Performs in-depth analysis to isolate point of failure in the application.
• Assist in production of testing and capacity reports.
• Responsible for assembling the application component and executing the jobs necessary to support testing activities.
• Created Vuser Script that contains task performed by each Vuser, Task Performed by Vuser’s as a whole, and task measured as transactions.
• Created customized LoadRunner Vugen script at API Level with manual correlation, user defined functions, development libraries (classes and methods), error handling.
• Enhanced Vuser script by adding correlations, parameters, condition controls, and checking/validation functions.
• Analyzed Transaction profile diagrams to identify the business process that needs load testing.
• Parameterized test scripts to send realistic data to the server and avoid data caching.
• Used extensive correlations to improvise the existing LoadRunner scripts.
• Developed performance test suites using Jmeter.
• Monitored system performance using SiteScope.
• Used verification and Validation Text Functions and Page Source for each page, by implemented High level of coding String Token, Manipulation and String related functions.
• Created various scenarios in LoadRunner controller for performing baseline, benchmark, and endurance test.
• Used scenario by scheduled in the controller to change the Ramp Up, Duration and Ramp Down settings.
• Monitored the metrics such as response times and server resources such as Total Processor Time, Available Bytes and process bytes by using LoadRunner Monitors.
• Identified the load balancing issues on the servers.

Confidential, Minneapolis, MN

Performance Tester, IT Consulting Services.

Responsibilities:

• Prepared Test Plan and Test Cases based on the business requirements.
• Conducted back-end testing during the various phase of the application manually.
• Performed Load and Stress testing using Load Runner.
• Extensively used LoadRunner Citrix protocol for testing Citrix client server applications.
• Conducted IP Spoofing using Load Runner Controller.
• Preformed code reviews for UNIX shell scripts to derive requirements, test conditions & identify defects.
• Used rendezvous point to detect database deadlock.
• Used the LoadRunner online monitors to monitor the possible bottleneck in the application.
• Involved in reporting and tackling the defect using quality center.
• Conducted result analysis and interacted with development and architecture teams.
• Actively participated in the daily project meetings and walkthroughs.
• Analyzed the result and made recommendation on the performance bottlenecks.
• Used QTP for the thick client testing of a Client server application.
• Developed Vuser script using LoadRunner Web (HTTP.HTML) protocol base on the user workflow in C programming language.
• Enhanced Vuser script by introducing timer block, by parameterizing user id’s to run the script for multiple users.
• Manually correlated the opportunity Ids, to save the dynamically changing opportunity Id’s into a parameter by going to the body of the server response in the LoadRunner.

Confidential, Hartford, CT

Performance Tester, IT Consulting Services.

Responsibilities:

• Performed Load and Stress Testing using Load Runner.
• Coordinated with offshore performance testers and assigned tasks.
• Created comprehensive Performance Test Plans
• Developed LoadRunner scripts, wrote program to support the load testing efforts.
• Performed Load/Stress test using LoadRunner.
• Developed test scenarios to properly load/stress the system in a lab environment and monitor/debug performance & stability problems.
• Developed Automation scripts using LoadRunner for web, Web services, Citrix and oracle applications.
• Recorded and enhanced Vuser Scripts by inserting Transaction point in to Vuser Script in LoadRunner.
• Involved in Defect Review Meetings, Developed use-case analysis, assisted team member in knowledge transfer.
• Developed the SQL Queries for Data Integrity testing.
• Tested Crystal reports for data, format and export. Executed the Test cases for Crystal Reports and Cognos.
• Involved in Defect Review meetings with business Core Team and Developed use-case Analysis.
• Assisted Team Members in knowledge transfer of the Application and Quality Center.