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Performance Tester/engineer Resume

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SUMMARY

  • Over 7 years of extensive hands on experience in IT industry, specializing in Performance Testing/Engineering Process and Methodologies.
  • Working knowledge in Property management, automobile, retail, government sector and pharmacy domains.
  • Strong knowledge of entire SDLC - Requirement Gathering & Analysis, Planning, Design, Development, Testing and Implementation.
  • Expertise in gathering non-functional requirements from stakeholders
  • Expertise in preparing test strategy and test plans, coordinating with business team to identify critical business flows for testing.
  • Highly experienced in developing Test Cases, Test Plans, Test Scenarios and Analysis for Performance Testing.
  • Experienced working in manual testing projects which includes but not limited to Unit, Positive, Negative, System, User Acceptance, Integration and Regression testing.
  • Extensive experience using LoadRunner, and hand on JMeter for Performance Testing, Stress Testing, Longevity Testing, Load Testing, Endurance Testing, etc.
  • Experience with LoadRunner components: VuGen, Controller, Analysis and Load Generator and with the components of JMeter.
  • Worked on different VuGen Protocols like Web Http/Html, Web Services, and Truclient.
  • Installed and set up all the components of LoadRunner in the test environment.
  • Experience in enhancing the VuGen scripts by Manual & Auto Correlation techniques, Parameterization, and Synchronizations.
  • Used Performance Center for managing all the performance test activities.
  • Experienced working with multi-tier and 3-tier architecture. Worked in Agile software development environments.
  • Experienced in bench marking the application for Performance Metrics.
  • Experience using monitoring tools like Whatsup Gold, Wily Introscope, Dynatrace and App Dynamics.
  • Experience in Monitoring performance metrics using various tools along with Load Runner’s own monitoring capabilities.
  • Experience of Real time production environment performance testing and collaborate with respective database and server monitoring teams to identify performance bottlenecks.
  • JVM Performance Tuning: GC and Heap Analysis, Thread dumps, Heap dumps, Memory Leaks, Connection Leaks, Core Dump.
  • Strong knowledge of tools such as Fiddler, Firebug, Http watch etc. to record, analyze and debug HTTP(S) traffic.
  • Ability to successfully manage multiple projects and meet deadlines effectively through a combination of business and technical skills
  • Strong Judgment, Analytical, Communication and Documentation skills in all phases of QA process.

PROFESSIONAL EXPERIENCE

Confidential

Performance Tester/Engineer

Responsibilities:

  • Collaborate with stakeholders, business experts, and functional experts to understand the performance expectations, identify performance goals and gather nonfunctional requirements.
  • Conduct group meetings with stakeholders to identify the performance goals and mitigate risks associated with the application.
  • Organize status meetings with the stakeholders to make sure the content of all performance testing artifacts are documented, maintained and transitioned as per the Client's retention and transition policy.
  • Conduct weekly meeting with offshore team to track the progress, and take necessary further action plan to achieve the milestone.
  • Worked on Testing REST API using SOAP UI.
  • Strong knowledge in web services testing via Tool SOAP UI/ Restful web services.
  • Proficient in testing database of applications developed with SQL Server, Oracle and MS Access.
  • Experience in writing manual test cases from different requirement documents and finds multiple combinations of testing scenarios for thorough testing avoiding redundancy and reducing cost
  • Experience working on test tools like HP Quality center, and JIRA.
  • Create a high Performance Test Strategy, Work Load Design, and Test Cases Design document and get business team sign off.
  • Build test plans and detailed performance test scripts for key user workflows using non-functional requirements.
  • Analyzing the critical business scenarios for performance testing.
  • Analyzing the historical statistics from production logs to understand the user load pattern in real time.
  • Understand the log files and parse it to further extract the peak load pattern in production data.
  • Compare and evaluate production and test environments. Provide necessary recommendation on using appropriate environment for performance testing.
  • Designing workload model based on the production log analysis and business team input.
  • Identify transactions and workflows, and calculate workload TPS goals and rates.
  • Create performance profiles that document how applications must be configured to simulate login times, transaction activity and volumes against performance requirements such as maximum response times.
  • Calculate think time and pacing for the identified performance scenarios in order to mimic real world behavior.
  • Work with testing team to develop performance test plans and cases.
  • Develop automated scripts in HP Vugen/Jmeter for the initiatives using protocols such as Web (HTTP(s)/HTML) and on applications based on Java technologies.
  • Write custom C codes in the LR script to replicate the real time user behavior and also match business requirements.
  • Used Jenkins as continuous integration server to run automated test suites.
  • Configure Jenkins with HP-LoadRunner/PC as part of CI&CD process.
  • Develop automated test scenarios and environments for performance testing.
  • Conduct system performance testing to ensure system reliability, capacity and scalability.
  • Perform different type of performance test like load, stress, endurance to check the system’s capability.
  • Monitor server metrics like web container threads, JDBC connection pool, Garbage collection, CPU, memory, network, etc. to find potential bottlenecks with the system.
  • Experienced in using IBM web sphere, to evaluate different performance metrics post execution analysis.
  • Experienced in generating Nmon, TPV, GC reports from servers and analyze the reports for any potential issues.
  • Used IBM GC Analyzer to understand the GC behavior and find any java heap exhaustions.
  • Analyze Oracle AWR report to find potential issues with the Database.
  • Experienced in analyzing heap memory issues through Eclipse heap analyzer.
  • Create and analyze JVM thread dumps using VisualVM for optimizing application and JVM performance.
  • Analyze application logs to determine system behavior. Address all technical issues; facilitate the resolution and necessary follow up with Development and other cross-functional departments.
  • Analyze test results and coordinate with development teams for bug fixes.
  • Generate performance graphs, session reports and other related documentation required for validation and analysis.
  • Analyze root causes of performance issues and provide corrective actions to concerned team.
  • Publish results and receive appropriate signoff. Prepare detail status reports, and monitoring of all defects and issues.

Environment: HP LoadRunner12.60, Jmeter 3.0, Performance Centre 12.02, SOAP, Fiddler, Dynatrace, Windows Perfmon, IBM Websphere, Jvisual VM, IBM GC Analyzer, Oracle 11g, Log Parser.

Confidential

Performance Tester/Engineer

Responsibilities:

  • Interacted with business leads, solution architects and application team to develop and mimic production usage models by collecting non-functional requirements.
  • Conduct work group meetings across all areas of the product organization to identify, prioritize, and mitigate risks to the responsiveness and availability of our offerings.
  • Follow Agile (Scrum) process, the performance validation process goes by the ‘Work done & Ready to Go’ approach from time to time, release to release and in specific sprint by sprint.
  • Organize status meetings with the stakeholders for Performance Testing in the project to ensure processes and content of all performance testing artifacts are documented, maintained and transitioned to the client teams as per the Client's retention and transition policy.
  • Created Performance Load Test detailed plan and Test Case Design Document with the input from developers and functional testers.
  • Experienced in performing end to end testing.
  • Worked on two different project simultaneously - SBS and Fire Department project.
  • Developed robust scripts using HP LoadRunner Web (HTTP/HTML) protocol.
  • Used Loadrunner for performance testing, load testing, stress testing to find the response time, throughput for the application transactions.
  • Enhanced the Performance test scripts with various customization using correlation and parameterization.
  • Understanding the performance test requirements and preparing performance test scenarios, workload mix.
  • Extensively used LoadRunner Virtual User Generator component to record script and customize performance test harness with protocols like Web (HTTP/ HTML), and Web services.
  • Worked extensively with Loadrunner, created scripts, ran performance tests and created reports.
  • Used Performance Center to execute the performance test scripts.
  • Used Whatsup Gold to monitor performance of the application under test.
  • Expertise in Understanding and Analysing Test Requirements, Tracking changes and maintenance of Test Requirements.
  • Good skills in Network, Memory, CPU, Application performance metrics and counters.
  • Well acquainted with all phases of SDLC and STLC.
  • Generate load by triggering virtual users using VuGen and created scenarios to conduct the load test using Performance Center.
  • Generated and associated different IP addresses to Virtual users to emulate real time scenarios for load balancing issues using IP Spoofing.
  • Executed Baseline, Load, Stress, and Combined Testing using HP Performance Centre.
  • After test execution, collaborated with the development, solution engineering, and technical architecture and release management teams in the client organization to analyse performance results and identify fixes for the findings.
  • Reported various Performance Analysis Graphs and Reports collected from various Performance Tools and discuss its bottlenecks such as Memory Leaks, JVM Heap, and High CPU Utilization.
  • Hands-on with Debugging and Analyzing Applications Performance.
  • Work closely with Development team, Architects to help them identify Memory and CPU bottlenecks in Application Code.
  • Good experience with Dynatrace and windows Perfmon in monitoring business transaction across all tiers (web/app/DB) of the applications.
  • Good experience in identifying bottlenecks, across Application server, Database, Web Server and Network Infrastructure.
  • Used Whatsup Gold to monitor and alert key metrics in real time to identify bottlenecks.
  • Identified the root cause across the different key transactions and underlying infrastructure using Whatsup Gold monitoring tool.
  • Knowledge of Java Virtual Machine internals including class loading, threads, synchronization, and garbage collection.
  • Monitored the user behavior to identify the key navigation path and uncover the insight using Whatsup Gold.
  • Conduct application performance profiling at method call level and set priorities for code performance optimization.
  • Profile slow performing areas of the application, system resources and identify bottlenecks and opportunities for performance improvements by using Whatsup Gold.

Environment: HP LoadRunner12.50, Performance Centre 12.02, SOAP, Fiddler, Whatsup Gold, Windows Perfmon, IIS, JBoss Application Server, JAVA 8, Amadeus Interface Systems, Oracle, Windows NT.

Confidential

Performance Tester

Responsibilities:

  • Conducted meetings with Business analysts and stake holders to understand the application and gather non-functional requirements required for Performance Testing.
  • Provide test estimates for various phases of the project.
  • Analyzed requirements and translated them into performance test plan and gathered all volume metrics to mimic production load on the system in the performance testing.
  • Involvement in the development of detailed test cases and sending to the project team for review and authorization, to make sure that they meet the business requirements.
  • Design and develop performance test scenarios and test data for applications, APIs and data processing engine.
  • Participated in the weekly project meetings and involved in the preparation of weekly status reports to track test execution and defect fixes.
  • Developed high level Test Strategy, Test Scenarios and Detailed Test Plan in coordination with the business analysts, development team and project manager.
  • Expert in developing and executing automated test scenarios, functionality and performance testing.
  • Install and configure HP LoadRunner and custom installation of Load generators on host machine for performance testing efforts.
  • Used Fiddler for capturing network traffic, web testing verification after scripting phase.
  • Prepared test environment, tools and resources for performance test execution.
  • Creating and enhancing test scripts using keyword driven technology.
  • Experience in manual, integration, regression and system testing using automated tools in web based applications.
  • Expertise in writing custom functions when tool cannot record the requests.
  • Performed complex functional, automated UI and non-functional tests on Confidential ’s application.
  • Raised defects in HP ALM and retest them after every fix.
  • Executed load, stress and endurance tests with different scenarios.
  • Expert in collecting application performance metrics during test execution.
  • Used different monitoring tools for problem solving, trend analysis, and capacity planning.
  • Expertise in profiling slow performing areas of the application, system resources and identify bottlenecks and opportunities for performance improvements by using, HP SiteScope.
  • Monitored different graphs like Transaction Response Time, Hits per Second, Throughput and analysed server performance status.
  • Experience in testing client, server and web based applications.
  • Efficient working with oracle databases and writing queries to check data validity and data integrity.
  • Experienced in executing SQL queries in order to view successful transactions of data and for validating data.

Environment: HP LoadRunner12.50, JMeter 3.0/3.1,Performance Centre 12.02, App Dynamics, IBM WebSphere Application Server, Web Logic 11g, JAVA 8, Interfaces Web Cloud, JBoss, SQL DB, SOAP, Rest, Wire shark Networking, JProfiler, Tomcat, Putty, Windows NT, TCP/IP, AIX (Unix), Linux.

Confidential

Performance Tester

Responsibilities:

  • Developed Performance test scripts generation using Loadrunner.
  • Load Test execution as per the project needs using Performance Center 9.5/11.52/12.0 , ALM and JMeter 2.12/2.13.
  • Worked as Performance Test Engineer and executed various performance test conditions using LoadRunner, and JMeter.
  • Created and coded a very flexible HP LoadRunner scripts using C functions that allowed for fast configuration changes during testing.
  • Developed VuGen Scripts and executed the same from multiple Load Generators in Controller.
  • Parameterized large and complex test data to accurate depict production trends.
  • Parameterized cookies, stored dynamic content in LoadRunner functions, used client side secure certificates.
  • Parameterized unique IDS and stored dynamic content in variables and paired the values to Web submit under Http protocols.
  • Validated scripts to ensure they have been executed correctly and meet the scenario description.
  • Analyzed the Business Requirements Document (BRD), created Test Plans and prepared detailed Test Cases.
  • Involved in writing module level test plans.
  • Checked the client side and server side verification, tested the functionality of the application.
  • Performed UNIX Shell scripting with SQL statements.
  • Performed end-to-end test manually for System testing, Positive, Negative and Web testing.
  • Validated test results through UI and through the analysis of various system/application error logs as well as database queries.
  • Defining performance requirements and planning test scenarios as required.
  • Developed the Load Test scripts using JMeter and enhanced the scripts by including transactions, parameterizations and correlations
  • Extensively used most of the protocols (Http/HTML, JSON, Web Services,) for testing Client server applications (Internal & External Faced).
  • Extensively used JMeter for Performance testing GUI, SOA and Web services.
  • Built Web Services Test Scripts, Test plans, JMS Test Plans and Web Test plans using JMeter.
  • Worked with HPE Unified Functional Testing (UFT) to perform functional and regression testing.
  • Worked on Informatica for migrating data between different databases.
  • Performed various functions prior to performance tests such as mapping and data analysis.
  • Creating and executing test plans to improve Oracle application performance.
  • Enhanced Gatling scripts to test the new builds of the application.
  • Monitored performance metrics and analyzed results Using Wily Introscope, and App Dynamics.
  • Supported troubleshooting of Production related issues by targeting the problem areas
  • Identified performance issues and bottlenecks in the application using Gatling.
  • Created comprehensive test reports using Gatling.
  • Using CA APM to monitor performance of the application under test.
  • Analyzed the results of the Load test using the Load Runner Analysis tool, looking at the online monitors and the graphs, analyzed the response times of various business transactions, login times under load, developed reports and graphs to present the test results.
  • 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.
  • Profiling application with Java Profiling & APM Software (JM Console, CA Wily).
  • Responsible for monitoring of the app behavior using tools like Wily Introscope and App Dynamics.
  • Pro-actively monitored to get insights of the application using CA APM.
  • Identified performance issues using CA APM and resolved the issues with the help of developers.
  • Performance analysis report generation based on the SQL/ IIS/ Web Sphere metrics.
  • Analyzed Heap behavior, throughputs and pauses in Garbage collections as well as tracking down memory leaks while executing the duration tests using JVisual VM.
  • 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 Environmental issues, Data related Issues and performance related Issues.
  • 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: LoadRunner 12.00/12.50 , JMeter 2.12, 2.13, Performance enter 9.5/11.0, Wily Introscope and App Dynamics, SOAP UI, ALM, .Net, Web Services, JMS, Web Services, XML, HTML, SQL Server 2008, MS IIS Server, UNIX, JBOSS.

Confidential

Performance Tester

Responsibilities:

  • Analyzed the business requirements and environment specifications.
  • Involved in manual and automation testing.
  • Identified non-functional requirement.
  • Performed load testing against internal applications and services using LoadRunner scripts to emulate users and monitor systems performance.
  • Enhanced and modified the scripts according to the test case scenarios.
  • Designed scenarios for performance testing, generated scripts and enhanced the script using Correlation as well as parameterization.
  • Executed scenarios using Controller and analyzed the results using LoadRunner Analyzer.
  • Developed scripts and scenarios for automated testing new and enhanced web based products using LoadRunner.
  • Created and coded a very flexible LoadRunner script that allowed for fast configuration changes during testing.
  • Enhanced the script with custom functions to support the load testing efforts.
  • Identified functionality and performance issues, including: deadlock conditions, database connectivity problems and system crashes under load.
  • Used Rendezvous point, Start and End Transaction, Parameterization, Correlation features in Virtual User Generator of LoadRunner.
  • Used web reg save param functions to correlate the scripts manually.
  • Enhanced script by inserting Checkpoints to check if Virtual users are accessing the correct page which they are supposed to be accessing.
  • Written scripts in which each virtual user accesses different data on the application.
  • Created a Manual and Goal oriented scenario with certain amount of Vusers giving Ramp up, Ramp Down and Run time in the Controller of LoadRunner.
  • Conducted performance regression testing after upgrading the hardware and software.
  • Provided management with analyzed test results and provided recommendation for performance improvements as needed.
  • Monitor and analyze the performance of the server by generating various reports of CPU utilization, Memory Usage.
  • Generated LoadRunner reports to calculate Response time and Transactions per minute, Hits per sec, Throughput.
  • Analyzed the LoadRunner reports to calculate Response time and Transactions Per Second
  • Performed end-to-end test manually for System testing, Positive, Negative and Web testing.
  • Involved in meetings with stakeholders to provide recommendations for identified bottlenecks.
  • Worked very closely with developers to recreate defects found and also to verify fixes.
  • Performed manual testing of the applications using designated tools in UAT Department.
  • Analyze the CPU, Memory stats on Web servers, Application servers and DB servers using Transaction Viewer.
  • Monitor Garbage collections, JDBC connections and Timeouts during the Test Execution.
  • Used tools like Wily Introscope, HP Sitescope to extensively to monitor all the Tiers for determining any performance Bottlenecks.
  • Developed performance analysis reports, Graphs (include Load Runner build -in graphs and MS Excel - custom graphs).

Environment: HP LoadRunner 9.50, /9.10/12.0, JMeter, SOAP UI, HP SiteScope, Wily Introscope, Fiddler, Quality Center, Java, J2EE, Unix, Shell scripting, HTML, Web Logic, Web Sphere 6.1 & 7.0, JBOSS, Apache Tomcat, Oracle Database, SQL Server.

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