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Sr Performance Engineer Resume

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Hercules, CA

PROFESSIONAL SUMMARY:

  • Over 8 years of extensive experience in Software Quality Assurance and in Analysis, Design of Manual and Automated testing of various application for Client Server and Web - based application
  • Extensive noledge in Performance Test Life Cycle.
  • Used the various monitoring tools like HP Site scope and HP Diagnostics, to keep track of the test performance and identify various bottlenecks.
  • Proficient in using test automation tools such as testing scripts for web and client server applications
  • Extensive noledge to create test scripts using LoadRunner VuGen Web-HTTP/ HTML, Web services, Java, .net, Ajax Trueclient, and ODBC protocols.
  • Worked in Agile project ensuring close, daily cooperation between business people and developers
  • Proficiency in testing the applications compatibility on UNIX and Windows platforms
  • Performing System Testing skills include Black Box, Smoke, Regression, Integration testing, User acceptance Testing
  • Strong process and documentation skills for performance testing/engineering.
  • Experience in Performance testing of Web applications and Client/Server by using Load Runner
  • Expertise in Manual and Automated Correlations to Parameterize Dynamically changing Parameters values
  • Well versed wif all functionality of Virtual User Generator and Correlating Statements, configuring Run time settings for HTTP, iterations, Simulated Modem speeds to bring the testing scenario to real world
  • Experienced in monitoring CPU, Memory, Network, Hits/Sec and Throughput while running Baseline, Performance, Load, Stress and Soak testing.
  • Expertise in tracking defects using tracking tools such as Quality Center and Clear Quest
  • Experienced in detecting Bottlenecks such as very high CPU usage, memory leaks and communicated wif the developers to optimizing the code
  • Good understanding of object oriented methodologies, software development life cycle (SDLC) and software testing methodologies
  • Excellent ability to understand complex scenarios and business problems, and transfer the noledge to other users/developers in the most comprehensible manner
  • Quick learner by respect to latest technology, most excellent put into practice and system.

TECHNICAL SKILLS:

Operating systems: Solaris, Windows XP, 2003, 2000, Vista, Windows NT and Linux

Programming Languages: C, JAVA/J2EE, VB.net, XML, UNIX - Shell Scripting

Databases: Oracle 9i/10G, DB2, SQL Server, MS-ACCESS, MySQL,Rapid SQL,Sybase

Tools: LoadRunner, Performance Center, Monitoring tools like Sitescope and Introscope and Perfmon. WinSCP, Jmeter, Quality Center (Test Director)

Web/Application Servers: Apache 2.x, Tomcat 5.x, Weblogic 8.x,9.x, WebSphere 5.x, IIS6.x, 7.x, 7.5x Tuxedo

PROFESSIONAL EXPERIENCE:

Confidential, Hercules, CA

Sr Performance Engineer

Responsibilities:

  • Gathered business requirement, studied the application and collected the information from Analysts.
  • Developed Scripts Load Runner test scripts according to test specifications/ requirements using Web-HTTP/ HTML, Web services, Java, .net, Ajax Trueclient, and ODBC Protocols
  • Work closely wif software developers and take an active role in ensuring that the software components meet the highest quality standards.
  • Created Load Runner Scenarios and Scheduled the Virtual user to generate realistic load on the server using Load Runner.
  • Written Test Plan, Test Scenarios and Test Scripts to follow the CMM Level 2 standards.
  • Involved in performing load and stress test on the application and server by configuring Load Runner to simulate hundreds of virtual users and provided key metrics to the management.
  • Performed Data Driven and Security Testing.
  • Worked closely wif software developers and took an active role in ensuring that the software components meet the highest quality standards.
  • Involved in defect tracking, reporting and coordination wif various groups from initial finding of defects to final resolution.
  • Defining the performance goals and objectives based on the client requirements and inputs
  • Performed various load test using different loads by setting up scenarios by adjusting run time settings according to given workload.
  • Responsible for all phases, planning, developing scripts, execution of performance center scenarios and analysis.
  • Used HP Diagnostics to check back-end calls and their response times for debugging high response times for a transaction in various applications.
  • Used Web Reg Find function to search for the text to see if the desired pages are returned during replay in Virtual User Generator
  • Changed the runtime settings such as pacing, think time, Log settings, browser emulation and timeout settings in LoadRunner VUGEN and controller to simulate the real scenario.

Environment: Performance Center, Quality Center, Load Runner Analysis, HP Diagnostics, VB Script, .Net, JavaScript, SQL, Java,/J2EE, IIS, XML/XLST, Oracle, Sybase and Unix

Confidential, Washington, DC

Sr Performance Engineer

Responsibilities:

  • Documented User Workflows by coordinating wif the business people
  • Created User workflow diagrams in MS Visio
  • Developed Load Test plans and Load Test strategies
  • Installed LoadRunner 9.5 and LoadRunner 11.0 tool on Windows Operating Systems.
  • Created test plans according to NFR has to meet Business Requirements.
  • Developed Vuser scripts using LoadRunner 9.5 and LoadRunner 11.0 Web (HTTP/HTML) protocol based on the user workflows.
  • Created Web Service and MQ scripts using Web Services and Java Protocol in LoadRunner
  • Created Citrix ICA Connections according to server names provided by Application team.
  • Adjusted Screen resolutions to match the script before recording.
  • Developed various Vuser scripts using LoadRunner 9. Citrix ICA protocol based on the user workflows.
  • Worked wif Security team to resolve firewall issues logging into Remote Desktop.
  • Adjusted Screen resolutions to match the script before recording.
  • Extensively worked on Geographical Integration Services (Browser Map) Application.
  • Developed various Vuser scripts using LoadRunner 9.5 and LoadRunner 11.0 RDP protocol based on the user workflows
  • Managed Scripts through Synchronizations on the windows and performed error checking to make sure it passes through all the screens.
  • Performed various load test using different loads by setting up scenarios by adjusting run time settings according to given workload.
  • Responsible for all phases, planning, developing scripts, execution of performance center scenarios and analysis.
  • Analyzed the Transaction Summary Report and graphs generated in a LoadRunner Analysis session
  • Analyzed results through analysis wif different graphs merging them together for better result summary.
  • Analyzed CPU, Memory and Heap using SiteScope, Perfmon, IBM SA.
  • Used HP Diagnostics to check back-end calls and their response times for debugging high response times for a transaction in various applications.
  • Enhanced Vuser scripts by introducing the timer blocks, 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
  • Used Web Reg Find function to search for the text to see if the desired pages are returned during replay in Virtual User Generator
  • Changed the runtime settings such as pacing, think time, Log settings, browser emulation and timeout settings in LoadRunner VUGEN and controller to simulate the real scenario.
  • Created various scenarios in LoadRunner controller for performing baseline, benchmark, stress tests and endurance tests, Fail-over testing, Regression testing.
  • Used Scenario By Schedule in the controller to change the Ramp Up, Duration and Ramp Down settings
  • Monitored the metrics such as response times, throughput and server resources such as CPU utilized, Available Bytes and Process Bytes by using LoadRunner Monitors for IIS server
  • Organized meetings wif other project team members to facilitate performance testing related questions and/or issues.
  • Helped in performance tuning of the application
  • Created Templates in Analysis session and analyzed web page diagnostics to see if the server was the bottle neck or the network was the bottleneck.

Environment: LoadRunner, Performance Center, Quality Center, Test Director, IBM SA, LoadRunner Analysis, HP Diagnostics, VB Script, .Net, JavaScript, SQL, Java, JAVA,, J2EE, JSP, IIS, XML/XLST, Oracle, ERP, CRM.

Confidential - Seattle, WA

Performance Tester

Responsibilities:

  • Involved in gathering business requirement, studying the application and collecting the information from developers, and business.
  • Created Vuser scripts that contain tasks performed by each Vuser, tasks performed by Vusers as a whole, and tasks measured as transactions.
  • Parameterized large and complex test data to accurate depict production trends.
  • Validated the scripts to make sure they has been executed correctly and meets the scenario description.
  • Coordinated creation of stress environments to conduct stress\load testing.
  • Involved in project planning, coordination and implemented performance methodology.
  • Conducted Load Test for multiple users using LoadRunner.
  • Developed Vuser scripts using LoadRunner Web (HTTP/HTML) and Web Services protocols based on the user workflows
  • Performed UNIX based testing to check the logs in case of errors.
  • Enhanced Vuser scripts by introducing the timer blocks, by parameterizing user id’s to run the script for multiple users
  • Used Load Runner, to minimize testing cycles, optimize performance, and accelerate deployment.
  • Involved in troubleshooting installation and configuration issues for application.
  • Executed the Performance testing and Throughput Testing Using LoadRunner.
  • Used Quality Center for bug reporting and tracking.
  • Analyzed various graphs including Database Resource graphs, Network Monitor graphs, User Graphs, Error Graphs, Transaction graphs, SiteScope, and Web Server Resource Graphs.
  • Responsible for weekly status updates showing the progress of the automation testing effort and open issues to be resolved.

Environment: LoadRunner, Quick Test Pro, SoapUI, Quality Center, Jmeter, Performance Center, Sitescope, J2EE, ASP, JSP,, Oracle, .Net, UNIX. Web Logic

Confidential, Newport Beach, CA

Performance Tester

Responsibilities:

  • Work closely wif software developers and took an active role in ensuring that the software components meet the highest quality standards.
  • Worked as an independent consultant for performance testing and coordinated wif multiple vendors.
  • Worked closely wif Development team to discuss the Design and Testing aspects of the applications to design the Test plans.
  • Actively participated in the daily project meetings and walkthroughs.
  • Involved in preparation of estimation, capacity matrix, performance strategy docs and conducted assessments and data modeling using excel.
  • Worked on Web, Web Services, and Clint-server, Main frame, and SOA, J2EE, .Net and legacy applications.
  • Responsible for testing batch jobs in an enterprise wide environment.
  • Worked on different protocols like HTTP/HTML, Web Click &Script, Web Services, and Citrix ICA,
  • Designed performance test suites by creating VU test scripts, workload scenarios, setting transactions, rendezvous points and inserting them into suites using Load Runner.
  • Responsible for testing the applications in different scenarios like Average load test, Spike test, Endurance test, Volume test and Peak Load test.
  • Configured Offline & Online Diagnostics like J2EE/.NET Diagnostics through performance centre.
  • Used SiteScope to monitor server metrics and Performed in-depth analysis to isolate points of failure in the application.
  • Monitored system resources such as CPU Usage, % of Memory Occupied, VMstat
  • Analyzed JVM Heap and GC logs in Web Sphere during test execution.
  • Conducted result analysis and communicated technical issues wif developers and architects
  • Involved in defect tracking, reporting and coordination wif various groups from initial finding of defects to final resolution.
  • Created comprehensive test results report.

Environment: Load Runner 9.5, Performance Center 9.5, SiteScope, HP Diagnostics, Excel, Oracle, MS SQL Server, Web logic, JAVA, AJAX, ASP.NET, Quality Center, J2EE Diagnostic Tool, web, Windows 2000/XP, Adobe flex, SOUPUI.

Confidential

Performance Tester

Responsibilities:

  • Gathered user requirements and designed the Test Plans and Test Scenarios accordingly, which involved creating Business flow diagrams in Quality Center
  • Worked on different protocols like Web (HTTP/HTML), Web services, Windows socket
  • Created scenarios like Basic schedule by load test/group, Real world schedule by load test/by group as per the requirement
  • Identified performance problems or bottlenecks and recommended possible steps for remediating using HP Diagnostics
  • Using LoadRunner, executed multi-user performance tests, used online monitors, real-time output messages and other features of the Load Runner Controller
  • Designed and developed performance testing automation artifacts (scripts, functions, scenarios, processes) for simple to complex testing situations using HP Load Runner
  • Identified the Memory leakage or Garbage collection on HP Diagnostic and worked wif middleware team on heap size
  • Observed the load test run for any errors
  • Analyzed performance, transaction, and server resource monitors for meaningful results
  • Analyzed the results of the entire test run
  • Created test strategies and conditions for load, stress, concurrent users, and network bandwidth scenarios
  • Assisted the project teams in identifying and documenting performance test requirements
  • Designed the performance test harness for execution on automated, performance, and endurance testing platforms
  • Work wif business and technology leads to identify the appropriate data for testing, and prepare that data for the test cases
  • Performed problem solving analysis and root cause for system functionality and testing challenges using Load Runner Analysis Tool
  • Worked closely wif developer debug and to no the functionality and flow of the application

Environment: HP Load runner, HP Performance Center, Windows 2000 NT, UNIX,DB2, SQL, Quality Center, VuGen, Web services, HP Service Test,, VMware, WPS,WMB, IBM Web Sphere, Web sphere application server(WAS), AIX, HP Diagnostics.

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