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Performance Engineer Resume

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Abilene, TX

SUMMARY

  • Over 8 years of IT experience with primary focus on Performance Testing.
  • Experienced and good understanding of AGILE Methodology, Software Development Life Cycle (SDLC) using the Waterfall Model.
  • Worked on various Load Runner Protocols like Web (HTTP/HTML), Web Services, FLEX, Winsock, Citrix, SAP - GUI/Web, .NET, JAVA- RMI, Java Over HTTP.
  • Executing various tests like Load, Stress, Stability, Failover inPerformancecenter and controller, also automating the complete load test cycle.
  • Professional experience in designing Test Cases and Test Scripts for Windows, Java and UNIX environments.
  • Hands on experience with Business requirement Gathering, analysis as a Business System Analyst.
  • Developed BRD’s. FRD’s and UseCased for Requirement Definition and Modeling.
  • Knowledge of Java Virtual Machine internals including class loading, threads, synchronization, and garbage collection
  • Creating Performance scenarios and scripts for doing multiple iterations.
  • Proficient in putting loops into the Load runner scripts to run scripts for multiple iterations.
  • Worked on various monitoring tools like Perfmon, BMC patrol, Dynatrace, Wily Introscope, Team Quest.
  • Experienced in using Jmeter for Database Backend Testing with JDBC & ODBC Connection.
  • Expert in Functional, Web,Performance, GUI, Database Testing and XML Based application testing.
  • Created different scenarios to isolate bottlenecks like Smoke Test, Scalability testing, Reliability testing, Stress testing, Performance regression testing etc.
  • Extensive experience in Software capacity modeling and Performance Engineering tools and techniques.
  • Experienced in Performance test strategy, test plan, test analysis and summary report preparation.
  • Knowledge on performance tuning activities.
  • Created performance scenarios and scripts for doing multiple iterations.
  • Experience in testing both Web Based and Client/Server applications .
  • Experience in analyzing Business and Development Specifications, Use Cases, and Detail Design to develop test requirements, procedures and test cases
  • Proficient in using C for correlation and parameterizing of Vuser scripts to handle dynamic data values.
  • Well versed with the behavior of online monitors and the techniques to fix the monitoring issues and monitoring Vuser status
  • Gatherperformancetesting requirements and consult with the business the key transactions of the application that need to be tested.

TECHNICAL SKILLS

Protocols: HTTP/HTML, Web Service, Citrix, FLEX, .NET, Siebel, SAP GUI, AJAX Click and Script, JAVA RMI, Java vUser, ODBC

Operating Systems: Windows Server, Windows 2000/2003/Vista/ 7, Unix, Linux

Testing Tools: Confidential / Mercury Performance Center 8.1, 9.5, ALM PC 11.02,11.50, Quality center 9.0/9.2, LoadRunner 9.52/11.0, JMeter, JProbe Suite 5.0, Shunra, Wireshark, QTP, Silk Performer, QALoad, Neoload, Sosta

Web/Application Servers: IBM Web Sphere, BEA Web Logic, JBOSS, Oracle iAS

Monitoring Tools: Confidential SiteScope, Confidential Diagnostics, Wily Introscope, Team Quest, BMC Patrol, Dyna Trace

Database: Oracle, DB2, MY SQL, SQL Server

PROFESSIONAL EXPERIENCE

Confidential, Abilene, TX

Performance Engineer

Responsibilities:

  • Involved in different meetings to gather specifications and requirements (Load Metrics, Performance Requirements, SLA, Workflows, etc) prior to testing.
  • Particiapted in requirement planning sessions ans Project Charter Sessions.
  • Created Functional Requirements Document and Use Cases for defining the requirements.
  • Conducted JAD Sessions for requirement elicitation and Confirmation
  • Designing and Executing the Scenarios inPerformanceCenter and Used the ALM Performance Center to perform Load Test and Stress tests.
  • Participated in Test plan and load runner script Peer Reviews
  • Created Test Schedules and worked closely with clients for requirements gathering.
  • Performed manual test on new products and required upgrades.
  • Assisted development team in work and recommended necessary actions and diagnostics.
  • Evaluated all engineering documents and test plans. Developed test plans and test cases for various processes and product specifications.
  • Executed different performance tests (Smoke Test, Baseline Test, Load Test, Stress Test, Capacity Test, Endurance Test and Tuning Test).
  • Responsible for developing and executing performance, load, endurance and volume tests
  • Monitored different kinds of graphs, including Throughput, Hits/Sec, Transaction Response time, Windows Resources (Memory Utilization, CPU Utilization, Threads, etc.) during load test.
  • Analyzed report and validated that the forecasted load levels can be reached with acceptable response times of Open Pages for given functionalities.
  • Verified the SOAP message delivery to the web services and verified the XML formatted response using the SOAP UI.
  • Extensively worked on SiteScope and Wiley graphs such as CPU usage, Memory Usage, Response time, Transaction per Second, GC Heap bytes used/total, JDBC Connection Pools and Thread Pools.
  • Extensive use of Quality Center for test planning, test execution, bug tracking, generated weekly status reports.
  • Prepared Test Summary Reports for every release using the Test Director reporting tool.
  • Assisted Business Users in conducting UAT and reported issues arised during UAT.
  • Handled Change management for Request for Enhancements

Confidential, Bera, CA

Performance Analyst

Responsibilities:

  • Analyzed typical business day traffic scenario discussing the requirements and business activity with the end users and business analysts.
  • Verified the systems logs to identify the highly hit pages and modules of the application.
  • Created Script using Adobe Flex Protocol for Rich Media Application
  • Identified the key scenarios impacting the application response time and created VuGen Scripts using Web HTTP / HTML.
  • Customized the VuGen scripts includingfeatures like documentation, Transactions, Rendezvous points, Think Time etc.
  • Parameterized test scripts and provided the required unique test data for multiple users.
  • Done the database testing for various database.
  • Tested application in Citrix server using Citrix protocol and monitored Citrix server through PerfMon.
  • Created Test Scenarios to meet the requirements by creating the necessary User groups, Allocation of Vusers for scripts, configuring the load generators and set up of execution schedules.
  • Used Probe Memory Debugger to improve application performance by identifying which objects are holding references to other objects in the heap, and calculating the size of memory leaks.
  • Provide highly accurate performance diagnostics to help you identify performance problems down to the offending line of code.
  • Performing IP Spoofing using LoadRunner for the load balancing issues. Excellent skills in Installing, and maintaining LoadRunner software.
  • Performing IP Spoofing using LoadRunner for the load balancing issues. Excellent skills in Installing, and maintaining LoadRunner software.
  • Configured the Monitors including the required Counters based on the input from the respective team members and captured the require data.
  • Participated in Performance analysis meetings and helped the project team in tuning the application and improving the application response time.
  • Monitoring and configured JVM heap size using Wily Introscope.
  • Monitored health of Servers and Databases CPU utilization and memory using Site Scope.
  • Executing Load Test scripts for different QA Environments and identifying memory leakages.

Confidential, Chicago, IL

Performance Tester

Responsibilities:

  • Particpated in Business Requirements Definition Sessions with Business Teams and Stakeholders.
  • Developed Use Cases, Process Flows, Activity Diagrams and Sequence Diagrams to clarify requirements to the Development Team.
  • Interviewed Stake Holders in requirement analysis phase and to develop Functional Design for the system.
  • Responsible for analyzing application and components behavior with heavier loads and optimizing server configurations.
  • Interacted with the Business community and the end users to gather requirements and developing (User Requirement Specification) URS documents.
  • Generated Performance Test plan in order to Execute Performance Testing Using Load runner.
  • Worked close with clients Interface with developers, project managers, and management in the development.
  • Developed Vuser scripts using LoadRunner Web (HTTP/HTML), SAP WEB, AJAX protocol based on the user workflows
  • Tested web services applications using SOAP Client as well as by using WSDL Files.
  • Responsible for Web Services testing and testing AJAX http request.
  • Conducted Load testing from different locations (WAN simulation) and for various browsers and bandwidth simulations using Shunra.
  • Enhanced Vuser scripts by introducing the timer blocks, by parameterizing user id’s to run the script for multiple users
  • Created Various Vuser Scripts basing on the Critical Transactions Used by the Real Time users using VuGen of Load Runner.
  • Performed lot of enhancements in the Vuser Scripts like Parameterization, Correlation, and Rendezvous Points and so on using Vugen of Load Runner.
  • Executed different Scenarios Using Controller of Load Runner like Bench Marking, Increasing Load, Stress and Soak tests.
  • Developed and deployed test Load scripts to do end to end performance testing using Load Runner.
  • Implemented and maintained an effective performance test environment.
  • Identify and eliminate performance bottlenecks during the development lifecycle using Dynatrace.
  • Accurately produce regular project status reports to senior management to ensure on-time project launch.
  • Work closely with software developers and take an active role in ensuring that the software components meet the highest quality standards
  • Used to identify the queries which were taking too long and optimize those queries to improve performance
  • Monitored system performance using Gomez and SiteScope
  • Setup SiteScope to configured various monitors such as CPU, PerfMon, Unix, Apache, DB and configured in Confidential ALM PC.
  • Used Wily Introscope for Monitoring J2EE Applications
  • Memory leaks at each Component level were identified and analyzed.
  • Worked closely with Production Managers, Technical Managers and Business Managers in planning, scheduling, developing, and executing performance tests.
  • Interacted with developers during testing for identifying memory leaks, fixing bugs and for optimizing server settings at web, app and database levels.
  • Tested SOA Based Applications using web services protocol.

Confidential, OH

Performance Tester

Responsibilities:

  • Work with the project team to analyze code changes introduced and assess potential performance impact and level of performance testing needed.
  • Collaborate with the development teams to translate the performance requirements into appropriate test cases.
  • Profile client and server calls triggered by the system and provide performance related feedback.
  • Investigates and resolves technical issues in QA Environments and communicates issues with various departments.
  • Run the performance tests in early software development cycles, and identify performance bottlenecks.
  • Configured and monitored scenarios for performance/load balancing tests.
  • Work with development team to tune the application performance.
  • Continuously improve performance test coverage.
  • Integrate and consolidate performance testing tools, approaches, and environments across multiple performance groups.
  • Configured and monitored scenarios for performance/load balancing tests.
  • Design load, stress, and scalability testing with Load Runner.
  • Monitor test runs using Willy Introscope, Confidential 's SiteScope, UNIX and Windows resources.
  • Deliver comprehensive performance testing reports and present them to development and project team.
  • Able to accurately estimate task durations and meet commitments in an Agile software development environment.
  • Understanding internet, application data flow and web server processes.
  • Ability to learn and actively seek new skills and knowledge to keep up with the changing technology field.
  • Ability to be flexible and adapt to any given situation.
  • Ability to perform multiple tasks concurrently.
  • Excellent customer service attitude, communication skills (written and verbal), and interpersonal skills.
  • Excellent organizational and time management skills.
  • Coordinate with offshore teams on projects.
  • Lead group in the absence of management.

Confidential, New York City, NY

Performance Tester

Responsibilities:

  • Created Scripts using Web http/html, Webservices, JDBC and Java record/replay protocols.
  • Used web custom request to record webservice requests in HTTP protocol.
  • Enhance Load Runner scripts by correlation, parameterization, adding loops and customized functions.
  • Ran test on SAP based application using SAP GUI protocol.
  • Execute Load test and monitor end to end system for performance bottleneck.
  • Established the baseline for x12-5010 versions of business transactions.
  • Executed Soak Test for 3 days for 10 hour to identify the environment stability, potential issues & bottlenecks.
  • Executed the SCALABILITY TEST with increasing the load by 25% of production volumes.
  • Identified issues across different tiers of the application issues related to throttling, high Response time, high CPU utilization, high thread utilization - Analyzed those & with support from Admin team resolved
  • Performed Component testing of each backend call by calling the webservice, using SOAP UI.
  • Monitored the response in Edifices (Transaction Management), provides the status of the Eligibility request.
  • Used in-house tool for monitoring the performance counter of various servers.
  • Monitored Websphere App server resources i.e. active threads, Errors, timeouts.
  • Created dashboard in Wily console for the monitoring purpose.
  • Used Confidential Performance center for executing various performance tests.
  • Perform Analysis on Load test results and create defect for issues identified during load test.
  • Wrote database queries to capture / gather the data.
  • Checked Server logs and identify the root cause of 400/500 errors received during test.
  • Reviewed & analyzed the results & the data and published the final report after every test with all the issues identified with the potential causes of performance bottlenecks.

Confidential

QA Tester

Responsibilities:

  • Conducted Manual Testing on test cases & provided feedback to the development team.
  • Executed Test Cases and Test Scripts after reviewing the Business Requirements and Technical Specifications to define the high priorities.
  • Worked with Developers, Project Managers, Business Analysts to continually enhance the service & testing offered by QA across the entire Software Development Life Cycle (SDLC).
  • Analyzed the Business requirements and developed the RTM (Requirements Tractability Matrix) for the project.
  • Interacted closely with software developers to verify proper test scenarios and dependencies are identified and executed.
  • Performed task with Microsoft SharePoint for intranet portals, document & file management, collaboration.
  • Worked closely with Subject Matter Experts (SMEs) and Developers to understand features and create robust comprehensive test plans to verify functionality.
  • Executed Brand and Logo Project in Agile methodology using SCRUM.
  • Facilitate smooth medical coordination right from sending a medical requisition to passing medical endorsements (end to end processing).
  • Extensively used Test Director for defect tracking.
  • Attention to detail and ability to work on tight schedules and on different applications concurrently.
  • Experience in System Testing, Smoke Testing Black box Testing, White Box testing,End-to-End Testing
  • Used Confidential Quick Test Professional (QTP) (Version9.2, 9.5) to create and develop automated tests for continuous Regression Testing, and various modules of Quality Center (QC) - Test Plan, Test Lab, Defects and Requirements
  • Assisted the development teams in the analysis of defects and track them to successful resolution using test & defect management tool Quality Center (QC).
  • Used Test Director to create and attach test results, defect reports and coordinated with development to resolve the issues.
  • Performed Backend Testing, data retrieval and validation using SQL & PL/SQL queries in Oracle by TOAD.
  • Managed multiple test environments, and followed best practices for release management in order to mitigate operational risk.

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