SUMMARY:

• 10 Years of USA experience in software performance engineering of web - based, client server applications and webservices.Highly proficient in performance testing using LoadRunner, Performance Center, JMeter, BlazeMeter and Functional testing using QTP.
• Expertise in Agile Methodology (Scrum Master), Waterfall Model.
• Extensive experience in preparing Load & Functional Test plans and Test Strategies.
• Involved in project estimation phase and budget allocations for resources.
• Managed teams at both Onshore and Offshore and coordinated with the team on day to day tasks.
• Thoroughly involved in Functional, Regression, System testing and User Acceptance Testing (UAT).
• Proficient in performance testing web Applications, windows applications, eCommerce Applications and Enterprise Applications.
• Extensive experience in using third party monitoring tools such as JProfiler, Java/Dot.net Diagnosis, Splunk, Dynatrace, HP Diagnostics, HP Sitescope, App Dynamics and CA Introscope.
• Expert in analyzing performance bottlenecks such as very high CPU usage, memory leaks, Buffer Usage, Queue Length, Connections, Heap Usage, Thread Usage, Missing Indexes, Recursive call ratio, SQL Queries usage, Roundtrip times & Deadlocks.
• Worked on multi-platform environments like Windows, UNIX, LINUX with clear understanding of file system, environment variables.
• Proficient in working with multiple application servers like WebSphere, Weblogic, Tomcat and JBoss.
• Experienced in development of web & Cloud applications using ASP.NET, C# and Java
• Proficiency in writing SQL queries and stored procedures.
• Expert in using Test Director, Quality Center and Rational ClearQuest for reporting and tracking software defects.
• Good understanding of Airlines, Banking, Telecom, Finance, HealthCare, and Insurance domains.
• Adaptable to work both as a team member as well as independently.
• Excellent inter-personal abilities and a self-starter with good communication skills, trouble shooting skills, analytical skills and leadership qualities.

TECHNICAL SKILLS:

Tracking Tools: TestDirector8.0, Quality Center 11.0, PVCS Tracker, Rational Clear Quest

Workflow Tools: MS-Project 2000, MS-Excel, MS-Word, MS-PowerPoint, MS-Visio

SQA Tools: Mercury s LoadRunner9.1, Performance Center 9.52 & 12.0 Jmeter 2.11,, QuickTesPro8.x

Monitoring Tools: CA Introscope Tool, Dynatrace, App Dynamics, Jprofiler, Foglight, HP Diagnostics, HP Sitescope 11.2, Wireshark Networking, HP Performance Management, LR Monitors

Languages: C,C++, Java and VB

Databases: SQL Server 2000/2005/2008/2012, MS-Access 2.0, MySQL, PLSQL, Oracle (8.x/9.x/10.x),DB2, OLAP

Operating Systems: Windows (98, 2000, 2003, NT,XP,2008,2012), Linux, Unix(AIX)

Web Technologies: J2EE, ASP .NET, JAVA, SAP

Web/App Servers: Apache, Tomcat, IIS, WebLogic 8.1 & 10.3, WebSphere 6.1 & 7.0, SAP SCM 5.10, Amadeus Reservation, Amadeus Ticketing, Amadeus Documenting, Amadeus Messaging Server

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Performance Manager/ Performance Architect

• Work with business leads and Solution architects to develop production usage models and non-functional requirements for multi-year rollout of large volume SOA and Amadeus Customer Management web solution.
• Work across all areas of the product organization to identify, prioritize, and mitigate risks to the responsiveness and scalability of our offerings.
• Follow Agile (Scrum) process, the performance validation process goes by the ‘Work Done & Ready to Go’ approach from time to time, sprint by sprint
• Advise on performance and capacity considerations for new design of Java web services.
• Work on HP Performance Center performance test harness utilizing SOA, Rest, and HTML web service protocols against target web application of Airline reservation system.
• Conduct application profiling and JVM tuning for all builds delivered per each agile sprint.
• Review and profile Java application code on over several dozen J2EE applications to optimize performance and eliminate risks to stability, capacity and high availability.
• Perform JVM tuning exercises in JBoss, resulting in a 25% to 40% improvement in response times across critical Java applications.
• Conduct application performance profiling at method call level and set priorities for code performance optimization. Root out inefficient SQL calls and indexing issues for DBA group.
• Architect production using Dynatrace for performance monitoring and roll out of monitoring solution.
• Collaborate extensively with server and network admins to root-cause issues with load balancing, server sizing, JBoss tuning, JDBC pool sizing, and Java heap management.
• Implement real-time telemetry of over production applications by creating Simple XML, Advanced XML, and Sideview Splunk dashboards.
• Develop extensive common code library for use in all performance test projects.
• Estimate tasks correctly, execute on time, and report out progress in an aggressively-scheduled multi-generational project plan with hard end dates.

Environment: Performance Center 12.02, JAVA 8, Amadeus Interface Systems, Web Cloud, CSS (Cisco) Load Bal ows ancer, JBoss, SQL DB, SOAP, Rest, Wireshark Networking, PL/SQL, Dynatrace, Oracle Enterprise Manager (OEM), HP Diagnostics, Splunk, JProfiler, Tomcat, Putty, WinSCP, BO Reports, Jasper, WindNT, TCP/IP MS Office, MS-Visio, AIX (Unix), Linux, Mainframe Engine, DB2, Toad, IE, Netscape, Chrome, Firefox

Confidential, Hollywood, CA

Performance Lead

• Coordinated with Offshore Performance Engineering team on daily basis with respect to deliverables.
• Involved in project estimation phase and budget allocations for resources.
• Understanding BRD, HLD, LLD & System Documents and identify the PCR’s related to Performance Testing and Developed Performance Test plan and Load Test strategies
• Conducted weekly status calls to discuss outstanding issues.
• Created, Documented and Implemented Baseline Load Pattern on Test Environment
• Manually Deployed the code in Test Environment and Re-Start the Web Servers then Smoke Test the Environment
• Developed Vuser scripts using PerformanceCenter11.0 Silverlight, Web service XML & WSDL & Flex Protocols based on the business logic & user workflows
• Used verification and Validation Text & XML Find Functions for each page source
• Created various scenarios in Performance Center for performing Benchmark, Stress, Volume, Scalability, HA and Endurance tests
• Fetch new code from Git and build and deploy to Local and Performance environments
• Conduct JVM tuning for 300 production and proofing Hotspot JVMs, while also migrating garbage collectors to CMS and then to G1.
• Monitored & Tuned the metrics such as response times and server resources such as Total Processor Time (CPU), Available Bytes and Process Bytes (Memory), Garbage collection, Queue Length, Connections, Buffer Cache, SQL Queries, Roundtrip times, Physical read & write, Recursive call ratio by using DNT & App Dynamics Tools
• Create suite of use-case-driven test scenarios to allow for flexible workflow performance testing of enterprise payroll processing system to NBC Universal, Disney, Lions Gate and INDI.
• Executed the SQL Query’s in TOAD to Test number of Batches process in a hour from the Backend Oracle
• Improved performance by adding Indexes there by indirectly minimizing SQL Roundtrip times.
• Performed in-depth analysis of each component of object & class from end to end to isolate points of failure in the application

Environment: JMeter 2.11, Blazemeter, ASP.NET 4.0, IIS 7, CSS (Cisco) Load Balancer, HP Sitescope 11.2 Java 1.6, JBoss, Oracle 10g, Git, Silverlight, PL/SQL, Wily, App Dynamics, Content, Discovery, ATMOS, Viewer, Export, IA, Windows NT, TCP/IP MS Office, MS-Visio, AIX (Unix), Linux, Toad, Quality Center 9.2 & 11.0, IE, Netscape, Firefox

Confidential, Woodland Hills, CA

Systems Performance Lead

• Coordinated and managed team of 6 offshore team members.
• Executed Performance Test on Filenet Scenarios to Search and Retrieve number of documents with unique random loans (Doc Guid & Doc Type).
• Developed Load runner Vuser scripts using various protocols like Webservices, Flex, Web(HTTP/HTML), Web (Click and Script) and Ajax(Click and Script) based on the user workflows
• Verified and validated the combination of file type in the Imaging Edoc portal for Tiff images, Doctype, XML and PDF documents
• Performed baseline test with 1 user and 5 iterations and Endurance test under a load of 180 users using Performance Center
• Monitored and Analyzed the Servers Event logs such as Viewer, Discovery, Export, Job, Linux, Unix, Ingestion and Acknowledgment servers to look for performance bottlenecks.
• Monitored & Tuned the metrics such as response times and server resources such as Total Processor Time (CPU), Available Bytes and Process Bytes (Memory), Thread Usage, Garbage collection, Queue Length, Connections, Buffer Cache, Missing Indexes, sessions, SQL Queries, Recursive call ratio & Deadlocks by using CA Introscope Tool

Environment: LoadRunner11.0, Javascript 1.4 & 1.5, Jprobe, JProfiler, WebLogic 8.1 & 10.3, IPlanet 6.1, Websphere 6.1 & 7.0, Oracle 9i & 10g, Python, Team Quest Tool (Foglight), Windows NT, MS Office, MS-Visio, AIX (Unix), Linux, CSS (Cisco) Load Balancer, Wily introscope 8.0, Quality Center 9.0, IE, Netscape, TCP/IP Firefox

Confidential, Agoura Hills, CA

Performance Engineer

• Developed Vuser scripts using LoadRunner9.10 SAP (GUI) protocol and Web (HTTP/URL) protocol based on the user workflows
• Manually correlated the opportunity window’s, to save the dynamically changing opportunity Pop-Up Window’s and Buttons into a parameter by created if and else syntax and Sap get functions in the LoadRunner
• Created various scenarios in LoadRunner controller for performing baseline, benchmark and endurance tests

Environment: LoadRunner9.10, SAP BASIS (V-6.40), SAP SCM 5.10, SAP R/3, JAVA, Python C# WebLogic, ISeries, AS400, DB2, Team Quest Tool, Windows NT, MS Office, MS-Visio, AIX (Unix), F5 Load Balancer, LR Monitors

Confidential, Irvine, CA

Performance Lead

• Partnered with the Software development team to come up with performance test requirements.
• Performed in-depth analysis to isolate points of failure in the application.
• Investigate and troubleshoot performance problems in a lab environment.
• Analyzed performance problems in a production environment.

Environment: Load Runner, Oracle, MS SQL Server, OSS, IIS, F5 Load Balancer, ASP.NET, PL/SQL, Test Director Ethereal, Endeca, JMeter, web, Windows 2000 / XP, Solaris, Linux, IE, Netscape, Firefox

Confidential, San Dimas, CA

QA Engineer

• Documented User Workflows by coordinating with the business
• Enhanced Vuser scripts by introducing the timer blocks, by parameterizing user id’s to run the script for multiple users
• Executed stress tests with a load of 225 users to see the breakpoint of the application
• Monitored the Web Logic server using FogLight which is a performance monitoring tool from Qwest Software
• Monitored the metrics such as response times, throughput and server resources such as Total Processor Time, Available Bytes and Process Bytes by using LoadRunner Monitors
• Created Rendezvous points to simulate a scenario of multiple users performing the same action simultaneously
• Analyzed server resources such as Total Processor Time to look for performance bottlenecks.
• Reported the defects using Rational ClearQuest and smoke tested the application after the fix

Environment: LoadRunner8.0, Rational ClearQuest7.0, Web, MS Office, MS-Visio, I.E, Windows 2003, Apache, Tomcat, WebSphere, J2EE, Oracle and UNIX.