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Sr. Performance Engineer Resume

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Dallas, TX

SUMMARY

  • Over 8 years of strong experience in IT industry, specializing in Performance Engineering Process and Methodologies.
  • Experience working in Different domains like Insurance, Pharmaceutical, Financial and Retail sectors with a unique combination of skill set in solving complex quality assurance challenges, and implementing solutions that work.
  • Extensive experience using LoadRunner, Performance Center, JMeter for Performance Testing, Stress Testing, Longevity Testing and Load Testing.
  • Proficient in Manual Testing on Web Based and Client/Server applications under different platforms including Windows and UNIX
  • Good understanding of the Software Development Life Cycle (SDLC), Software Testing Life Cycle, Defect Status Life Cycle and Configuration Management & good knowledge of software Verification, Validation and Testing Methodology.
  • Experience with LoadRunner components: VuGen, Controller, Analysis and Load Generator.
  • Worked on different VuGen Protocols like Http/Html, Web Services, AJAX Click and Script, Siebel Web, RTE, FLEX etc.
  • Experienced in developing Performance test scenarios using LoadRunner, Performance Center to load the servers with Virtual user requests and tests the Performance under load/stress conditions.
  • Experience in testing web services applications and API’s using SOAP UI and other similar testing tools like JMeter.
  • Experience in Manual and Performance Testing and hands on preparing Test Planning, Test Scenarios, Test cases, Bug reporting.
  • Experience in enhancing the VuGen scripts by Manual and Auto Correlation techniques, Parameterization, and Synchronizations.
  • Experience with creating Vuser scripts, Vuser groups, Manual and Goal oriented scenarios using LoadRunner and with the use of various performance monitors for load test analysis.
  • Experienced in Performing IP Spoofing Concept using LoadRunner for the load balancing issues.
  • Hands on experiences in analyzing performance bottlenecks, root cause analysis, monitoring end - to-end performance and fixing performance issues.
  • Experience in using Wily Intrascope and Dyntrace to monitor the Applications in Production and Testing Environments.
  • Performed tests and analysis such as load test, spike test, stress test, endurance test, performance bottleneck test, benchmark test, baseline test etc. using HP LoadRunner on web server, application server and database server at different levels and loads.
  • Strong background and experience in the software engineering cycle from gathering requirements, planning and Designing to Developing, installing and maintaining software applications.
  • Involved in dealing with Developers and Business Analysts to better understand the requirements for further Performance testing.
  • Excellent Team player with test-to-break attitude and can handle multiple projects with competing priorities.
  • Excellent analytical, interpersonal, problem solving skills & quick-learner who can work with minimum supervision.

TECHNICAL SKILLS

Testing Tools: LoadRunner, JMeter, Quality Center, SOAPUI, Performance Center, BugzillaClear Quest.

Operating Systems: Windows 95/98/2000/XP/NT, UNIX, Linux, Windows Vista, Windows 7.

Languages & Technologies: Java 2.0, VB.net, C#.net, SQL, T-SQL, PL/SQL, HTML, XML.

Database: SQL Server 2005/2008/2012, MS-Access, Oracle11g/10g/9i, DB2.

Defect tracking tools: Merant PVCS Tracker, Rational Clear Quest, Test Director, HPQC.

Web / App Servers: Weblogic, Websphere, Apache/Tomcat.

Applications: MS Office, Microsoft Word, Microsoft Excel, Microsoft Vision, Microsoft PowerPoint, Microsoft Project.

PROFESSIONAL EXPERIENCE

Confidential, Dallas, TX

Sr. Performance Engineer

Responsibilities:

  • Developed Load Runner test scripts according to test specifications/ requirements.
  • Load Test execution as per the project needs using Performance Center 9.5/11, ALM and JMeter.
  • Worked closely with software developers and took an active role in ensuring that the software components meet the highest quality standards.
  • Identified Disk Usage, CPU, and Memory for Web, APP and Database servers.
  • Using HP LoadRunner 9.5/11.0 for Performance testing and execute multi-user performance tests, used LoadRunner online monitors and Used all the Functionality available in LoadRunner where ever Required.
  • Used Performance Centre for Web services/API/SOA testing and also used JP@GC Plugins to Monitor the servers and use Customized reporting.
  • Implemented and maintained an effective Performance Test environment.
  • Worked in shared environment testing different applications by Coordinating between different Teams.
  • Developed Scripts in HTML/HTTP, Web services and Oracle 2 - Tier Protocols using LoadRunner.
  • Created Scripts and also Implemented Correlation parameterization, IP Spoofing Concepts
  • Used Scheduler to Run unattended Tests and also used Different Scenario Designs in Loadrunner which supports the Planned Test Scenario.
  • Develop and implement Load and Stress Tests Using LoadRunner and presented performance statistics to application teams, provided recommendations on how and where performance can be improved.
  • Monitored and administrated hardware capacity in the Load Testing Environment to ensure the necessary resources is available for all tests.
  • Verified that new or upgraded applications meet specified performance requirements.
  • Performs in-depth analysis to isolate points of failure in the application
  • Assist in production Testing, Monitoring and capacity Certification reports.
  • Used Wily Intrascope and Dynatrace to Monitor the Applications in Production and Testing Environments.
  • Used Wily Intrascope to measure web site performance in testing and Production environment to capture performance metrics of key product features
  • Monitoring application health using Dynatrace and Sitescope, reviewing performance of different components of web pages and Services, also comparing daily, weekly and monthly trends on Errors and Volumes for deep down analysis.
  • Responsible for Setting up user profiles, configuring and adding application servers on Wily Intrascope tool.
  • Investigated and troubleshoot performance problems in a lab environment which also includes analysis of performance problems in a production environment.
  • Interface with developers, project managers, and management in the development, execution and reporting of test automation results.
  • Wrote and executed SQL queries in validating test results.
  • Prepared results about Test schedules and Test Metrics on a weekly basis for the project members and Stake holders to know the status of the Testing.

Environment: LoadRunner 9.52/11.0/11.5, Performance Center, Wily Intrascope, JMeter 2.9 HP ALM-PC 11.0, HP ALM-QC 11.0, .Net, Web Services, MQ, MU, JMS, Web Services, XML, HTML, MS SQL Server, MS IIS Server, Web Logic, Data Power.

Confidential, MOUNT LAUREL, NJ

Sr. Performance Engineer

Responsibilities:

  • Performance test scripts generation using HP LoadRunner Virtual User Generator (VuGen).
  • Created and executed various scenarios using Load Runner Controller and HP Performance Center to mimic production behavior.
  • Developed the Load Test scripts using the Load Runner Virtual User Generator (VUGen) and enhanced the scripts by including transactions, parameterize the constant values and correlating the dynamic values
  • Extensively used most of the Load Runner protocols (Http/Html, Web Services, Click & Script, RTE, RDP, Oracle (2- Tier), SiebelWeb, Sybase CTlib, Sybase Dblib, MultiProtocols) for testing Client server applications (Internal & External Faced).
  • Enhanced Load Runner scripts to test the new builds of the application
  • Using Load Runner analyzed the response times of various business transactions, modules login times under load, developed reports and graphs to present the test results
  • Responsible for the performance testing of several Vantage applications.
  • Supported troubleshooting of Production related issues by targeting the problem areas.
  • Analyzed the results of the Load test using the Load Runner Analysis tool, looking at the online monitors and the graphs.
  • Analyzed different metrics like Transactions Response time, Transaction under load, Transaction Summary by Vusers, Hit per Second and Throughput to understand the application behavior under full load.
  • Created comprehensive test results and summary reports to be shared with the project team and management and pointed out the areas which exceeded SLA.
  • Responsible for monitoring of the app behavior using tools like Wily Intrascope.
  • Generated performance reports of Database using Foglight tool.
  • Performance analysis report generation based on the SQL/ IIS/ WebSphere metrics
  • Analyze Heap behavior, throughputs and pauses in Garbage collections as well as tracking down memory leaks while executing the duration tests.
  • Involved in defect tracking, reporting and coordination with various groups from initial finding of defects to final resolution using Quality Center (QC)
  • Working with vendor teams to resolve issues related to performance monitoring.
  • Involved in the Implementation review meetings.
  • Worked closely with Development and Business team to get an understanding of the system architecture, system component interactions, application load pattern and the Performance SLA.
  • Develop and maintain performance library with focus on potential reuse.

Environment: Load Runner 9.52/11.0, Performance Center 9.5/11.0, Wily Intrascope, ALM, .Net, Web Services, MQ, MU, JMS, Web Services, XML, HTML, MS SQL Server, MS IIS Server, WAS, UNIX, JBOSS, JMeter 2.9.

Confidential, Chicago, IL

Performance Engineer

Responsibilities:

  • Coordinating with Application and Business Teams to gather information on business process flow and understanding the scope of work.
  • Analyzed Business requirements and created Test Plan Document with all the Test Strategies, Test Dates, Test scenarios etc.
  • Collaborated with Systems Architects and Developers for building Performance Testing Framework for ongoing testing process.
  • Worked on building Load Test Scripts from scratch based on Business Requirements.
  • Worked on modifying Load Test Scripts using Correlation, Parametrization, C Programs etc to replicate Business Functionalities.
  • Troubleshoot and validated new and existing Load Test Scripts with multiple Users and multiple iterations.
  • Used multiple protocols concepts (Web-HTTP/HTML,ODBC,JAVA, TrueClient, Ajax ..etc) to meet the Business Requirements.
  • Worked on Manual coding (Web Custom Request, Web Submit Data etc) for the objects where web pages not available.
  • Analyzed LoadRunner on-line graphs and reports to check where performance delays occurred, network or client delays, CPU performance, I/O delays, database locking, or other issues at the database server.
  • Analyzed Server metrics using UNIX commands like top, vmstat, svmon, iostat, and netstat. Extensively used Fiddler tool to debug web applications by capturing network traffic.
  • Monitored Application environment behavior using Introscope and SiteScope during Load Test execution.
  • Analyzed heap management, JVM Configuration, V$ table, explain plan and query optimization for all the load test executions and prepared detailed report with all the Identified Performance Bottlenecks.
  • Worked with Database Administration Team in Tuning Database Queries which taking longer response time.
  • Conducted result analysis and interacted with development and architecture teams.
  • Participated in Weekly meetings and walk through to discuss Defect Priorities and Defects are tracked and reported using Quality Center Reporting tool.

Environment: LoadRunner, Fiddler, SOAPUI, Quality Center, Oracle Database, Windows, WebSphere, Weblogic, J2EE, AIX, PL/SQL Developer, MS Visio, MS Project, MS Excel.

Confidential - Washington D.C.

Performance Engineer

Responsibilities:

  • Created suitable scenarios based on the list of critical transactions.
  • Executed various performance test conditions by developing test scripts using the Performance test Tool HPLoadRunner12.
  • Evaluated the compliance of a systems or components with specified performance requirements.
  • Create workload model based on the vuser count and number of transactions to be achieved in a particular duration.
  • Used Scheduler to schedule scripts run at particular time.
  • Recorded and baseline average response time of key business transactions that users would experience during peak loads.
  • Determined the response times for the retrieval of reports using Jasper Server.
  • Monitored system resources of application servers and databases during the test and identified the performance bottlenecks.
  • Accommodated Testing windows and Executions for Production Issues in regular release Testing Activities.
  • Team co-ordination and submitting the Deliverables based on timelines.
  • Monitored the Server’s CPU Utilization and used Heap memory status by using Monitoring tool: Wily and Performed in-depth analysis to isolate points of failure in the application.
  • Creating AWR reports for every test Run and reviewing with the DBA’s.
  • Analyzed the results by using LoadRunner Analysis and prepared the result report by customizing the graphs.
  • Collaborated with support teams, architects, and developers on analyzing performance test results.
  • Provided feedback on development through the entire lifecycle of the release in order to ensure that we know about performance issues before customers do.
  • Archiving Release Documents for Future Review and Comparisons.
  • Prepared a detail test schedule and Test Metrics on a weekly basis for the project members to know the status of the Testing.
  • Updating the Stakeholders about the performance results by generating reports using analysis.

Environment: LoadRunner 12, HP ALM-PC 11.0, HP ALM-QC 11.0, Java, Wily, J2EE, MS Office, Web Services, XML, HTML, Jasper Server.

Confidential, Milwaukee, WI

Performance Tester

Responsibilities:

  • Coordinate software changes with development, project and release management team to meet test cycle and release deadlines.
  • Designed scenarios for Performance Testing, Generating scripts and handling Correlation as well as parameterization using LoadRunner Vugen, executed scenarios using Controller and analyzed the results using LoadRunner Analyzer.
  • Designed performance test scenarios using the HP Performance Center, ran stress tests and analyzed the results.
  • Supervised and led performance testing projects with onsite - offsite coordination to ensure effective communication and team work.
  • Created and coded a very flexible LoadRunner script that allowed for fast configuration changes during testing.
  • Reviewed and analyzed design documents for testability.
  • Worked closely with business and project teams to estimate effort and testing needs for several integrated performance test projects.
  • Developed test cases and map test cases to requirements using RTM.
  • Performed integration testing to test the functionality of the modules.
  • Conducted load and reliability testing on website's workflows to identify and report performance bottlenecks.
  • Generated business reports related to transactions output, system resources utilization and HTTP traffic.
  • Analyzed results to work with development, server admins and DBAs to isolate performance issues. Tuned application and database performance by monitoring tests at all layers.
  • Used Quality Center for bug tracking and reporting, also followed up with the development team to verify bug fixes and update bug status.

Environment: LoadRunner, MS Office 2007, Win Server 2003, SiteScope, HP-BAC, HP Diagnostics, Quality Center

Confidential

QA Analyst & Performance Tester

Responsibilities:

  • Evaluated Business and System Requirement documents for testing standards.
  • Evaluated the integrity of code across multiple customer-preferred, vendor-specific environments.
  • Participated in test planning, writing test cases/ scripts And Created a detailed System Test Plan and procedures.
  • Developed unit tests and built scripts to support continuous integration of apps for bug free releases.
  • Test case automation and execution.
  • Assisted the teams in planning, design and execution of server testing for performance.
  • Generated test summary reports providing recommendation on app vulnerabilities, functionality and performance.
  • Wrote SQL queries to test Data Integrity, Referential Integrity and performed Database Testing for the Application.
  • Created function library for different validation steps commonly used in test cases, Used descriptive programming model.
  • Involved fixing QTP scripts where some of the objects changed and correcting the test data etc.
  • Involved in testing Web services and XML with SOAPUI to locate WSDL file on internet, create Test cases and to run them.
  • Involved in Installation of Load runner and created scripts financial applications on Oracle EBS Applications.
  • Conducted Load and Stress Testing on Website's workflows to identify and report performance bottlenecks.
  • Design, create and execute test scripts with appropriate test data for different applications for migration from web logic to Jboss.
  • Involved in Preparation of Defect Status, Traceability Matrix and Validation Summary reports.
  • Participated in defect review meetings with the team members.

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