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Senior Performance Engineer (lead Consultant) Resume

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Milpitas, CA

SUMMARY:

  • Client interaction, interaction with business to prepare WLM, test plans, scripts, data setup for test scenarios mapping to real - life scenarios.
  • Sound knowledge in Effort Estimation, developing and validating scripts for complex scenarios and enhancing the scripts using HP Load runner
  • Involved in Scripting with different protocols (Siebel-Web, Web/HTTP, Web Services)
  • Performed test executions using Performance Center and HP controller
  • Has experience in both Retail and Finance Industry.
  • Expertise in monitoring the system using monitoring tools like Wily Introscope, Perfmon and Dynatrace, App Dynamics.
  • Analysis and reporting of results using HP Load Runner Analysis, Skynet and report preparation.
  • Efficient in debugging the performance issues by working through the server and unix logs. Along with experience using log analysis tools like Splunk.
  • In Depth analysis includes the generation of verbose GC, heap, thread dumps and analyzing the memory, object growth pattern using various profiling tools.
  • Have worked with AWR reports to study the DB performance health
  • Track record for looking into various metrics with respect to the web servers, application servers, middleware and backend servers and providing suggestions for Performance Tuning & Engineering activities.
  • Managing a performance team of 9 members.
  • Ability to drive from concept to completion, ability to work on multiple projects simultaneously in a fast paced environment.
  • Engaged the business team along with then key project stakeholders to identify the testing scope to design the effective test strategy.
  • Excellent communication skills and interpersonal team abilities

TECHNICAL SKILLS:

Testing Tools: Load Runner, Performance Center, JMeter, VSTS, Cavission NetStorm Toolset

Bug Reporting Tools: Quality Center, JIRA, Test Director

Monitoring & Profiling Tools: JProfiler, VisualVM, Wily Introscope, Fiddler, dynatrace APM

Analysis & Reporting: SKYNET, AWR Reports, MS Excel

Test Management Tools: TFS, Team Track

Debugging: SM Analysis Tools, IIS Log Parser, Splunk

Languages: Java, C, SQL,.Net

Web Technologies: HTMP & XML

Application Servers: IBM Web Sphere, Windows 2008, IIS

Methodologies: Agile - Kanban

Databases: MS SQL Server, DB2, Oracle

Operating Systems: Windows 2003/NT/ME/XP/7, Unix, Linux

PROFESSIONAL EXPERIENCE:

Confidential,Milpitas,CA

Senior performance Engineer (Lead Consultant)

Responsibilities:
  • Collect performance test requirements and functional test requirements from the Solution Architects for DKC & TVS Engine.
  • Calculate load modeling (Indentifying Critical Business Flows) based on production data & provide estimates based on complexity of project and in turn create Work Load Modeling (WLM) document.
  • Design of test scenarios based on user arrival rate and number of concurrent users.
  • Develop Real World Scenarios in Cavisson NetStorm based on the User Load and Transaction Volume.
  • Design performance test scripts in Net Storm, enhance the script to meet the test scenarios, troubleshoot any run time errors and set run time settings as required.
  • Perform project activities in compliance with the Agile/Scrum methodology and standards.
  • Perform User acceptance testing of the Web and Mobile applications to ensure the software is working while producing a high quality final product
  • Evaluate business requirements for each application and analyze System requirements with respect to the project.
  • Provide root cause analysis and maintenance/enhancements for existing test scripts.
  • Perform project activities in compliance with the approved methodologies and standards.
  • Test, resolve and document the issues in the development and testing environments and ensure the software is working while producing a high quality final product.
  • Co-coordinate all the release activities in all the functional environments TEST, UAT and Production.

Technology Stack: Cavisson NetStorm, NetLoad, NetOcean, dynatrace APM, JProfiler, JVisual, Splunk, C.

Confidential,San Francisco, CA

Senior performance Engineer (Lead Consultant)

Responsibilities:
  • Lead the project team of 9 performance testers throughout the whole performance testing process starting from developing a formal performance testing effort estimation and requirement gathering
  • Collect performance test requirements and functional test requirements from the Solution Architects.
  • Calculate load modeling (Indentifying Critical Business Flows) based on production data & provide estimates based on complexity of project and in turn create Work Load Modeling (WLM) document.
  • Develop Real World Scenarios in HP Performance Center based on the User Load and Transaction Volume.
  • Use VSTS/LR tools to create performance scripts after set up of test data based on the requirement.
  • Use VSTS/Performance Test Center to execute various types of test which include Load, Stability & Stress testing & capture standard counters.
  • Generate verbose GC, heap, thread dumps and analyzing the memory, object growth pattern using various profiling tools. Monitoring and profiling using dynatrace, App Dynamics.
  • Analyze and provide high level results using dynatrace APM, splunk and VSTS.
  • Prepare & Share final results with observations/ recommendations.
  • Coordinated daily status call for technical and non-technical audiences on test progress.
  • Accurately produce regular project status reports and provide interpretations to the senior management to ensure on-time project launch

Technology Stack: Microsoft VSTS, dynatrace APM, JProfiler, JVisual, HP Load Runner 11, Http Watch, Splunk, TSF, App Server - Windows 2008, Web Server - IIS,.net,App Dynamics

Confidential,Malvern,PA

Senior performance Engineer (Lead Consultant)

Responsibilities:
  • Gather performance test requirements from the application team based on the performance test request submitted.
  • Work closely with the development team to identify the performance test needs and its deliverables.
  • Design performance test strategies and performance test plans considering the performance test requirements.
  • Design performance test scripts in Loadrunner Vugen or JMeter and enhance the script to meet the test scenarios, troubleshoot any run time errors and set run time settings as required.
  • Create correlations for the dynamic values in the script based on the response from the server to enhance the Script.
  • Parameterize the test with multiple users to simulate real time multiple vusers logging into the system.
  • Organize the test cases and test plans in HP ALM
  • Responsible for taking thread dumps and using profilers for CPU and Memory profiling.
  • Schedule and execute the test scripts for performance testing assigning multiple Load generators to meet the test needs through Performance Center.
  • Design and execute performance test scenarios in Performance Center.
  • Collate the execution results and analyze it in Loadrunner Analysis.
  • Perform the monitoring performance of the application and database servers during the test run using tools like dynatrace and App Dynamics.
  • Drill down on the failed transactions, HTTP errors, memory spikes, jvm memory, CPU usage, web requests, pure paths, application processes and database.
  • Analyzing the metrics after running Skynet Report.
  • Sharing the report to all the stake holders.

Technology Stack: Protocol - Siebel, Architecture - 3 Tier, App Server - Windows 2008, Web Server - IIS, Performance Tools - HP Load Runner 11, Performance Test Center 11, JMeter, JProfiler, JVM, VisualVM, Http Watch, AWR Reports, Humming Bird Exceed, Skynet, App Dynamics, Splunk

Confidential,Charlotte,NC

Senior performance Engineer (Lead Consultant)

Responsibilities:
  • Requirement Analysis, Create Test Strategy and test plans.
  • Develop and validating test scripts for complex scenarios
  • Identify test data requirements based on business process and setting up the same
  • Coordinate with support and development team for any bottleneck analysis
  • For monitoring Used tools WILY and AWR reports for DB analysis
  • Log defects and ambiguities and track them to closure
  • Track project progress and share status report to all stake holders
  • Coordination with the client

Technology Stack: Protocol - HTTP/HTML, Architecture - 3 Tier Java App Server, Performance Tools - HP Load Runner 11, Performance Test Center 11, CA Wily Introscope, AWR Reports

Confidential

Senior performance Engineer (Lead Consultant)

Responsibilities:
  • Determining the Business critical scenarios using IIS log Parser.
  • Preparation of Test Strategy after triage with Technology and Business Teams
  • Decryption of the recording and the server response using CASA configuration and DLL files and preparing of Scripts and implementing code enhancements
  • Running Load Test, Scalability, Endurance and Stress Tests
  • JVM Performance tuning and monitoring.
  • Analyzing Results using LR and Monitoring Tools WILY for long running queries, Thread count, CPU utilization, GC etc.
  • Analyzing the metrics after running VMSTAT and IOSTAT commands
  • Sharing the report to all the stake holders

Technology Stack: Protocol - Siebel, Architecture - 3 Tier, Java App Server, Web Server - IIS, Performance Tools - HP Load Runner 11, Performance Test Center 11, JProfiler, JVM,VisualVM, dynatrace AJAX Edition, UNIX, Fiddler 2.3, CA Wily Introscope, IIS Log Parser, SM Analysis, and AWR Report, VMSTAT IOSTAT commands

Confidential

Senior Performance Tester

Responsibilities:
  • Communicate with Client and Onshore and Understand day to day tasks and lead the project team
  • Identify application behavior and current SLA using Fiddler and dynatrace ajax edition.
  • Perform client side tuning with the metrics obtained from Tools fiddler and dynatrace AJAX Edition.
  • Record scripts and enhance them using C and LR functions
  • Test Data set up using scripts
  • Prepare scenarios and execute Isolated Test, Load Test, Stress Test, Endurance Test, Failover Test.
  • Compare the test results with SLA and identify bottlenecks using Monitoring Tool WILY
  • Share the results to all stake holders at the EOD

Technology Stack: Protocol - HTTP/HTML, Web services - 3 Tier, Java application server, Web Server - IIS, Performance Tools – HP Load Runner 9.51, Performance Test Center, JMeter, dynatrace AJAX edition, UNIX, Fiddler 2.3, IIS Log Parser, SM Analysis, and AWR Report, VMSTAT IOSTAT commands

Confidential

Performance Tester

Responsibilities:
  • Requirements Gathering & Analysis
  • Project Planning, scheduling and monitoring.
  • Leading the project in its entirety from estimation until Sign-off and closure.
  • Responsible for Test Strategy, Test Planning and Execution and reporting Test Metrics.
  • Responsible for Daily & Weekly status tracking and reporting directly to stake holders including the client.
  • Performance Scripts Creation, Execution and result Analysis.

Technology Stack: HP ALM, Performance Center, HP Load Runner, Fiddler, dynatrace AJAX edition, JProfiler, VisualVM 1761 S Street NW, Suite # LL4 Washington DC 20009

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