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Sr. Performance Engineer Resume

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DE

SUMMARY

  • Over 7+ years of diverse experience in information technology wif emphasis in software Testing/Quality Assurance.
  • Extensive noledge in Performance Test Life Cycle.
  • Involved in developing load and performance test scripts using Web (HTTP/HTML), Web Services, Java, Citrix &Ajax TrueClient.
  • Analyzed Test Results using various Online Monitoring Graphs.
  • Developed and deployed test Load scripts to do end to end performance testing using Load Runner.
  • Analyzed teh LR results (Transaction's per second, Hits/second, and Transaction response time) using LoadRunner Analysis and various monitor tools.
  • Generated, validated, and tested reports produced by teh product quality testing division dat to be reviewed by teh higher level management of teh Strata Marketing.
  • Tested performance of Web Portal using HP Load Runner 12.0
  • Worked extensively wif LoadRunner. Created Scenarios dat ran tests wif IP Spoofing wif several processes and in multithreaded environments, and analyzed and generated performance reports
  • Extensively involved in performance tuning of application servers such as Weblogic and Tuxedo. Worked extensively wif XML.
  • Extensively involved in Performance tuning of Web servers such as web sphere.
  • Involved in Performance tuning of database Servers.
  • Generated load in teh system using multiple controllers, Thin and Thick client at teh same time.
  • Checked for Network Bottlenecks using Network Delay Time and Vuser Graphs
  • Sound noledge of Load, Stress and performance test using LoadRunner
  • Ability to TEMPeffectively analyze a variety of reports.
  • Strong programming skills in UNIX, C, C++, Java and worked extensively on Java & J2EE Applications.
  • Involved in gathering business requirement, studying teh application and collecting teh information from developers and writing teh test plan.
  • Responsible for teh creation and execution of both manual and automation test cases

TECHNICAL SKILLS

Web Technologies: HTML, XML, XHTML, Websphere

Languages: SQL, C, C++, C#, Java, Shell

RDBMS: MS Access, MS SQL Server, My SQL

Project Management Tools: MS - Project, MS - Visio, MS-Excel

Methodologies: RUP, Agile, Performance Testing

Operating Systems: Windows, UNIX, Linux, Solaris, AIX

Networking: TCP/IP, FTP

Automation Tools: LoadRunner, Performance Center, QTP, JMeter

Defect Tracking Tools: Test Director, Lotus Notes, Quality Center, ALM

Other Tools: SiteScope, Wily, HP Diganostic, DynaTrace, NMON

PROFESSIONAL EXPERIENCE

Sr. Performance Engineer

Confidential, DE

Responsibilities:

  • Defining teh test scenarios and making sure dat scripts are working according to planned scenario.
  • Responsible for development of automated performance testing scripts using different protocols like: Web service, Web (HTTP/HTML), RTE etc.
  • Interacted wif teh various project teams to find out teh end user actions and scenarios
  • Involved in developing and maintaining scalable, reusable performance test scripts using LoadRunner
  • Extensively used Vugen to create and debug scripts.
  • Debugged and enhanced teh Load Runner Scripts using C Language.
  • Dealt wif business team to get teh performance requirements for teh Load Testing, Stress Testing and Capacity Planning
  • Designing and Executing teh Scenarios in Performance Center and Used teh Controller to perform Load Test and Stress tests
  • Parameterized teh scripts and enhanced large files according to teh test cases.
  • Provided multiple sets of data during test execution and used teh data randomly, sequentially and uniquely.
  • Uploaded Scripts, Created Timeslots, and Created Scenarios and ran Load Tests in controller.
  • Responsible for setting up monitors in controller and SiteScope to monitor teh CPU, memory utilization, JVM's
  • Performed back-end testing by querying teh database wif complex SQL queries and validate teh data populate in tables.
  • Configured Load Runner to monitor various performance parameters of database servers, application servers and web servers - for e.g. - CPU usage, total sessions created, current open sessions count, and number of open users on teh database
  • Performed database validations using SQL
  • Responsible for making defect status report and project status report every week
  • Used Dynatrace to Monitor Database and server sides metrics including Total CPU Time, total pure paths, Total execution time, response times etc.
  • Identified performance bottlenecks and teh Web, Middleware and databases, by configuring Site scope monitor on servers, and using detailed analysis
  • Analyze test results and prepare detailed Performance Test Reports including teh recommendations.

Environment: Java, C, Web logic, Web Services, XML, Load Runner, Soap UI, Wily, DB Visualizer, Quality Center, Site Scope, Oracle, SQL, Dynatrace

Performance Test Engineer

Confidential, Aurora, IL

Responsibilities:

  • Worked on Developing, executing and maintaining Test Plans, Test Scenarios, and Test Cases Documents in Quality Center based on business requirements.
  • Extensively worked on scripts development using protocols like web (Http/Html) and Web Services wif combination of C custom coding as required by application.
  • Load test execution and work wif Product Management and Development determining teh number of virtual users to be used during teh performance test.
  • Responsible for fixing teh advance correlation and logging in teh user scripts and taking care of teh problems faced by teh Load testing team.
  • Supervise script recording, ensuring correctness and quality wif an understanding of monitoring requirements based on test objectives, test execution tasks. Coordinate test window and lab utilization.
  • Experience in monitoring servers using tools like CA Wily Introscope, and HP Diagnostics. Analyze teh CPU Utilization, Memory usage, and Garbage Collection and DB connections to verify teh performance of teh applications.
  • Generate performance graphs, session reports and other related documentation required for validation and analysis. Publish results and receive appropriate signoff. Prepare detail status reports, and monitoring of all defects and issues.
  • Worked independently in assuring teh performance, scalability and reliability of a web application right from teh test environment creation to identifying various performance bottlenecks, Client interaction.
  • Responsible for Creating teh Load Test scenarios from scratch including assigning vusers for each script, Adding monitors for teh system, WebSphere, WebLogic and Microsoft Application servers.
  • Provided Production Implementation support for teh Release Engineering team.
  • Responsible for identifying teh bottlenecks in teh application. Mainly Identified a Memory leak in teh system and found out teh Application components dat was causing teh leak.
  • Responsible for teh Test lab setup including Installation of teh Load testing Infrastructure such as Controller machines, Load Generators, IP Address reservation needed for IP Spoofing etc.
  • Worked in an Offshore-onsite model in various testing activities.
  • Involved in test database design, developed and executed SQL statements.
  • Experience as QC Coordinator, System administrator, Release Coordinator.

Environment: HP LoadRunner ALM 12.0,, HP Performance center 12.0, HP ALM 12.0, JMeter, Java, C, JavaScript, JSF, Springs, Fiddler, SQL, UNIX, WebSphere Application Server 7.0/8.0/8.5, WebLogic App Server, Windows NT.CITRIX, Wily Introscope, HTTPWATCH, Fiddler.

Sr. Performance Engineer

Confidential - Plano, TX

Responsibilities:

  • Requirement Gathering, Estimation Assessments and created Test Plans and Test Scenarios design for all teh releases.
  • Discussing wif teh business analyst to find key business scenarios for performance testing.
  • Worked as Performance Test Engineer and executed various performance test conditions using LoadRunner.
  • Reviewed teh Architecture and Requirements of teh system.
  • Reviewed teh Performance requirements wif teh Business Users.
  • Played a major role in halping teh business understand teh load, stress criteria and halped them identify teh critical scenarios on an application from an end user view.
  • Extensively used Load Runner web HTTP/HTTPS and Web services protocol for testing Client server applications.
  • Developed teh Performance Test Plan & Scope documents and Performance Test Cases.
  • Created teh scripts using Virtual User Generator to simulate teh function of teh services being tested.
  • Enhanced teh scripts by parameterising data, correlating dynamic data etc.
  • Executed Web Services using Web Protocols, also wrote Custom Code to Capture teh Request and Response Associated which halps in tracking teh Issues when a service fails.
  • Performed Load and Stress tests wif LoadRunner and presented performance statistics to application teams and provided recommendations of how and where performance can be improved.
  • Monitored teh Server's CPU Utilization and teh used Heap memory status by using
  • Involved in configuring Site scope Monitors (Web logic domains, clusters & DB Connection pools) to LR controller scenario.
  • Analyzed test results using HP LoadRunner Analysis tool on-line graphs and reports and looked for performance delays, network or client delays, CPU performance, me/O delays, database locking, or other issues at teh database server.
  • Analyzed teh results by using LoadRunner Analysis and prepared teh result report by customizing teh graphs.
  • Identified and analyzed memory leaks at each component level.
  • Coordinated wif offshore performance testers and assigned them day to day tasks.
  • Handled multiple projects and lead to successful completion on time by successful coordination
  • Reported and tracked defects using Quality Center.
  • Moderated Daily Defect Review meetings wif Development Team to review teh defects raised by QA team and status of teh existing / open defects.
  • Involved in teh Implementation review meetings.
  • Comparing teh results to baseline and providing teh results comparison chart to teh development team.
  • Following up wif development team for defect fixes and avail them a re-execution.
  • Reviewed and published teh Final Consolidated Performance Test Report.

Environment: LoadRunner, SiteScope, NMon, Wily Introscope, Quality Center, .Net, Web Services, MQ, XML, HTML, MS SQL Server, MS IIS Server.

Performance Engineer

Confidential, IL

Responsibilities:

  • Participating in JAD Sessions, BRD Reviews, FS Reviews, and Tech Spec Review Meetings.
  • Used Load Runner Correlation, Content Check, Parameterization features. Tested application for maximum load.
  • Responsible for analyzing application and components behavior wif heavier loads and optimizing server Configuration
  • Customized LoadRunner scripts in C language like String manipulation and using C libraries for teh LoadRunner Scripts.
  • Created Performance scenarios and scripts for various types of tests (load, stress, baseline/ benchmark/ Capacity).
  • Analyzed teh LoadRunner reports to calculate Response time and Transactions per minute, Hits per sec, Throughput.
  • Conducted all tests in teh Controller by creating 100, 200, 400 virtual users for load, Stress and steady state test respectively.
  • Analyze test results and prepare detailed Performance Test Reports including teh recommendations.

Environment: Java, C, Web logic, Web Services, XML, Load Runner, Soap UI, Wily, DB Visualizer, Quality Center, Site Scope, Oracle, SQL

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