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Sr. Performance Engineer Resume

Sunnyvale, CA

SUMMARY:

  • Over 8 years of Experience in the IT industry with emphasis on Performance Testing & Quality Assurance.
  • Excellent skills in Performance Testing and Automated Testing.
  • Generating and implementing templates for Test Plan, Test Cases, Test Scripts, Business Analysis, Gap Analysis, Test Defect Log, Test Case Checklist etc.
  • Expertise in scripting with Vugen using Web http/html, Web Click and Script, Citrix,Oracle NCA Siebel Web, Winsoc, Oracle 2 tier and Java protocols.
  • Experienced in Automation of software testing process using HP Test suite ( Load Runner and Quick Test Pro)
  • Excellent skills in testing web - based applications.
  • Experience in Designing Test plans, Test Cases, Test Scripts and Test Procedures.
  • Strong skills in performing System, Acceptance, Regression, Stress, Performance, Load, Functionality, Front End and Back End Testing.
  • Experience in Backend Testing of the applications by executing SQL commands.
  • Expertise in testing Performance, Load and Stress for Web and Client/Server Applications.
  • Experience with Web and Application Servers.
  • Knowledge of Object Oriented Software Development Methodology.
  • Participated in requirements analysis reviews and working sessions to understand the requirements and system design.
  • Performance Testing Tools: Administration and installation experience with Performance Center, Sitescope and Test Director. Highly skilled in using Load Runner 11.5, JMeter and customized UNIX/Linux Load Generator in PERL
  • Experience in testing database applications of RDBMS in ORACLE and SQL Server
  • Experience in estimation of test effort and coordinate test schedule with overall project schedule.
  • Experience in developing business based functional test scenarios.
  • Expertise in Problem solving and Bug Tracking Reports using Bug tracking Tools.
  • Excellent understanding of the Software Development Life Cycle and role of QA
  • Experience in Front-end testing, System testing, Unit testing, Integration testing, Performance testing, Stress testing, Backend testing and Regression Testing of Web based and Client/Server applications.
  • Excellent in communication, presentation and interpersonal skills.
  • Contributed to the completion of all projects on time.
  • Ability to work in tight schedules and on different applications concurrently.
  • Solid analytical and trouble shooting skills.

TECHNICAL SKILLS:

Automation Testing Tools: HP ALM,Performance Center, Load Runner, WinRunner, JMeter, Silk Performer.

Defects Tracking Tools: Quality Center, Test Director, Bugzilla, Clear Quest

Languages: C, C++, C#, JAVA, SQL, PL/SQL, HTML, DHTML, XML, VS, JavaScript, VB Script, Unix Shell, TSL

Monitoring Tools: Wily Introscope, Sitescope, Java Diagnostics, Dynatrace

Operating Systems: Windows 95/98/2000/XP/VISTA, UNIX, Linux, Solaris, Windows NT

PROFESSIONAL EXPERIENCE:

Confidential, Sunnyvale, CA

Sr. Performance Engineer

RESPONSIBILITIES:

  • Collaborated with architecture and development teams to analyze the application’s core functionalities and its various dependencies for effectively identifying potential bottlenecks.
  • Created virtual users using Virtual users Generator and created scenarios to conduct the load test using Performance Center.
  • Performed Baseline and Combined Testing using Performance Center
  • Developed Vuser scripts using HP Loadrunner Web (HTTP/HTML) and Web Services protocol based on the user workflows
  • Responsible for performance testing on Virtual services for the load test.
  • Tested web services applications using SOAP Client as well as by using WSDL Files.
  • Used multiple protocols including Web services, Web (HTTP/HTML), SAP Web,SAP GUI Protocols test various business processes.
  • Parameterized unique IDS and stored dynamic content in variables and pared the values to Web submits under Http protocols.
  • Utilized scenario By Schedule in the controller to change the ramp up / ramp down settings.
  • Responsible for monitoring the metrics such as response times, throughput and server resources such as total processor time, available bytes and process bytes by using HP Loadrunner monitors.
  • Responsible for KEYNOTE external monitoring and error debugging.
  • Created scenarios and established application concurrency, business process concurrency and transaction concurrency between different user groups.
  • Used the Windiff utility in HP Loadrunner for performing auto-correlation of system generated data
  • Identified the Host Configurations to make sure enough number of virtual users can be run from individual machines.
  • Developed test metrics on the regular monthly basis for higher management. Monitored the defect tracking process and generated customized reports using Quality Center. Interacted with developers to resolve the bugs following the bug life cycle policy.

Confidential, San Ramon, CA

Sr. Performance Engineer

RESPONSIBILITIES:

  • Involved in developing Load Test plans and Load Test strategies.
  • Developed Vuser scripts using Vugen with HTTP, Java, Oracle NCA and Web Services protocol
  • Enhanced Vuser scripts by creating transactions.
  • Parameterized Vuser scripts with different sets of data.
  • Correlated the Vuser Scripts.
  • Changed the runtime settings such as pacing, Thinktime, Log settings, browser emulation and timeout settings in Vugen and Performance Center to simulate the real scenario.
  • Created various scenarios in Performance Center for performing baseline, benchmark, stress tests and reliability tests.
  • Performed load testing for 250 users using Performance Center.
  • Used Scenario by Schedule in the Performance Center 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 Load Runner Monitors for IIS server.
  • Analyzed the Transaction Summary Report and graphs generated in a LoadRunner Analysis session.
  • Used Dynatrace, to monitor server metrics and Performed in-depth analysis to isolate points of failure in the application.
  • Troubleshoot HTTP 404 errors and thread synchronization issue using Dynatrace
  • 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.
  • Analyzed server resources such as Total Processor Time, available bytes, process bytes and heap usages to look for performance bottlenecks.
  • Analyzed the server resources such as Available Bytes and Process Bytes for Memory Leaks.
  • Written complex queries to pull out the large data from the database
  • Involved in Database query analysis to improve the performance of Stored procedures
  • Wrote queries to pull out the data for testing
  • Performed Compatibility Testing on Internet explorer (IE), Mozilla browsers.
  • Used Agile Methodology for RP1 and Multivendor Projects and Scrum Process.
  • Maintained all test cases and status of test execution in Mercury Quality Center.
  • Responsible for maintaining and tracking all defects in QC across different project tracks.
  • Prepared Close out Document and Executive level summary.

Environment: Oracle ERP Application, Load Runner, Performance Center, Quality Center, Microsoft.Net, Java Script, SiteScope, Dynatrace, HTML, DHTML, XML, IIS, SQL Server 2000, Windows XP/NT/2000, MS Access

Confidential, Newark, NJ

Test Architect

RESPONSIBILITIES:

  • Major responsibilities included Estimating effort, Preparing Resource plan, Own & manage the Performance Engineering component.
  • Primary Liaison with partners involved in the program including Prudential IT stakeholders and HP.
  • Gather performance test requirements
  • Identify business critical flows and workloads
  • Prepare performance test plan, performance strategy & test design
  • Collect and analyse monitoring parameters
  • Analyse test results and prepare test reports
  • Work on HP Radiance software to design
  • Model and code various work flows and help with performance tuning of the DB, system and code.
  • Performance benchmarking,
  • Capacity Planning and Analysis.

Environment: HP radiance, ESB, web services, Load Runner, Performance Center, Quality Center, SiteScope, Dynatrace, HTML, DHTML, XML, IIS, SQL Server 2000, Windows XP/NT/2000, MS Access

Confidential

Sr. Performance Engineer

RESPONSIBILITIES:

  • Involved in Requirement Gathering
  • Involved in Preparation of Performance Strategy, Performance Test Plan.
  • Involved in Scenario design and execution
  • Involved in assigning and mentoring team members
  • Involved in final result to stake holders
  • Involved in creation of Performance Test Plan, Performance Design Document and Test Scripts.
  • Responsible for the Planning, execution, tuning and reporting the deliverables to project stake holders
  • Involved in creating automation scripts using Jmeter Testing Tools .
  • Using JMeter on several parameters of performance like prepared statements, connection pooling, and caching and also performed web service testing on soapUI too
  • Guiding the team in Developing & Executing the Test Suite using Mercury Controller and Load Runner on the WEB and Oracle NCA protocol Analysis & Report the Test execution Results using Mercury Load Runner Analysis tool.
  • Worked with the DBA and to tune the SQL queries
  • Worked with the infrastructure and configuration team for tuning the system for optimal performance.
  • Coded and executed automated functional tests using Silk Test
  • Coded and executed automated load and stress tests using silk performer
  • Primarily focused on doing performance analysis and identifying performance bottlenecks for CWP application.
  • Collected system metrics and attended SWAT session to resolve and fix performance bottlenecks.
  • Used Dynatrace, to monitor server metrics and Performed in-depth analysis to isolate points of failure in the application.

Confidential

Sr. Performance Tester

RESPONSIBILITIES:

  • Gathered and analyzed user/business requirements and developed System test plans.
  • Worked closely with Developers and Architect
  • Load tested Provisioning and Billing system built on Powerbuilder legacy application using QTP and WR scripts
  • Mentoring team members and training automation team to convert automation scripts to Loadrunner
  • Design Performance Test Strategy and Test plan, Develop & Execute the Performance Test Suite using HP Performance Center and Load Runner on the SAP GUI and SAP web protocol.
  • Involved in Production testing.
  • Involved in Capacity Planning.
  • Implemented Production monitoring system.
  • Performed stress testing of each application to verify that the required load would have no negative performance effect. This was done through creating and executing different scripts on Load Runner .
  • Generated the test scripts using the Automated-testing tools Load Runner
  • Made rearranging action possible by enabling multi-protocol GUI while recording the script in Load Runner .
  • Customization of Load Runner to suite the requirements of the testing effort. As a Performance Engineer, was responsible for setting up the access privileges and creating user profiles.
  • Identified bottlenecks using online monitors and analyzing graphs using Load Runner.
  • Writing Test cases to test the performance of the application using Load Runner.
  • Conducted stress testing by using Load Runner.
  • Conducted stress, volume, and load testing in Citrix environment using Citrix Protocol.
  • Developed scripts using Citrix Protocol.
  • Created various Scenarios to be run, used rendezvous points to create intense Virtual User load on the server, configured the scenarios before executing them in the Load Runner.
  • Enhanced Load Runner scripts to test the new builds of the application.
  • Created various Scenarios to be run, used rendezvous points to create intense Virtual User load on the server, configured the scenarios before executing them in the Load Runner.
  • Enhanced Load Runner scripts to test the new builds of the application.
  • Used Quick Test Pro checkpoints to automatically capture and verify properties such as the number of links.
  • Created and Configured non-standard objects to standard objects mapping them to Object Repository of Quick Test Pro.
  • Experienced in creating the test scripts using QTP and Test Director.

Environment: Citrix, Java, J2EE, JSP, Servlets, Load Runner, Quality Center, SAP, SitScope, Oracle, SQL, MS Project, Windows & Unix platform, Keynote, Jmeter, Citrix

Confidential

Sr. Performance Tester

RESPONSIBILITIES:

  • Involved in developing Load Test plans and Load Test strategies.
  • Developed Vuser scripts using Vugen with HTTP, Java and Web Services protocol
  • Enhanced Vuser scripts by creating transactions.
  • Parameterized Vuser scripts with different sets of data.
  • Correlated the Vuser Scripts.
  • Changed the runtime settings such as pacing, Thinktime, Log settings, browser emulation and timeout settings in Vugen and Performance Center to simulate the real scenario.
  • Created various scenarios in Performance Center for performing baseline, benchmark, stress tests and reliability tests.
  • Performed load testing for 250 users using Performance Center.
  • Used Scenario by Schedule in the Performance Center 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 Load Runner Monitors for IIS server.
  • Analyzed the Transaction Summary Report and graphs generated in a LoadRunner Analysis session.
  • 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.
  • Analyzed server resources such as Total Processor Time, available bytes, process bytes and heap usages to look for performance bottlenecks.
  • Analyzed the server resources such as Available Bytes and Process Bytes for Memory Leaks.
  • Written complex queries to pull out the large data from the database
  • Involved in Database query analysis to improve the performance of Stored procedures
  • Wrote queries to pull out the data for testing
  • Performed Compatibility Testing on Internet explorer (IE), Mozilla browsers.
  • Used Agile Methodology for RP1 and Multivendor Projects and Scrum Process.
  • Maintained all test cases and status of test execution in Mercury Quality Center.
  • Responsible for maintaining and tracking all defects in QC across different project tracks.
  • Prepared Close out Document and Executive level summary.

Environment: Load Runner, Performance Center, Quality Center, Microsoft.Net, Java Script, SiteScope, Dynatrace, HTML, DHTML, XML, IIS, SQL Server 2000, Windows XP/NT/2000, MS Access

Confidential

Performance Test Engineer

RESPONSIBILITIES:

  • Responsible for understanding the Architecture and preparing the requirements for performance testing applications in a domain.
  • Worked with the Business/ Architect and prepared the completed performance test plan document for End-to-End testing.
  • Gathered the business workflow document for the application component, which needs to be performance tested from the Developers.
  • Developed Vuser Scripts using Web (Http/html), Citrix, Web Services, Winsock, and .Net protocols.
  • Worked very closely with the developers to understand the complete process of the application front end/back end.
  • Worked extensively on Citrix Protocol.
  • Design Performance Test Strategy and Test plan, Develop & Execute the Performance Test Suite using HP Performance Center and Load Runner on the SAP GUI and SAP web protocol .
  • Gathered all the data which needs to be used for performance testing and if needed helped the developer create data by utilizing the load runner script generation tool.
  • Scripted the Business workflows, which need performance testing, executed the scripts with unique data to ensure the scripts are working properly and that the developers are able to see valid requests populating in the servers.
  • Performed Load/Stress/Endurance tests for the application for the predetermined values.
  • Monitored the tests to identify bottlenecks and highlighted issues/errors to the development team.
  • Analyzed the results from the test and explained it to the business/ development team.
  • Prepared the Individual test reports and submitted to the project team with the high level performance updates for the individual tests.
  • Prepared the Closure document consisting of all the test details and observations.
  • Used Sitescope, NMON 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, VM Stat, I/O Stat using UNIX commands like top, vmstat, svmon and netstat.
  • Analyzed JVM Heap and GC logs in Web Sphere during test execution.
  • Presented the closure document to the project team, explain the effort done by the performance team.
  • Worked on the high level budget for the entire testing effort and submitted to the team.
  • Completed the project by submitting all the documents and closing all the defects after resolution provided from the dev team.

Environment: LoadRunner, Performance Center, Sitescope, Quality Center, SAP, .NET, SQL, IIS, Microsoft Windows, WebSphere, Weblogic

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