Project Test
Resume:
Mithunarupala Rathinasamy
ac0wl8@r.postjobfree.com
https://www.linkedin.com/in/mithunarupala-rathinasamy-0478296a/
Experience Summary
Associate with 5 years of experience in performance testing and engineering, optimizing system performance and managing complex projects.
Experience in Performance Testing process in preparing test plans, volumetric design, scripting and executing of load tests.
Worked on multiple performance testing tools such as Load Runner, ALM Performance Center 12, VuGen 12, Analysis 12, Silkperformer and VSTS
Possess strong knowledge of using protocols like Web Http, Web Services, Ajax True Client, SAP GUI, SAP Web and Web Click and Script.
Rich Experience in Performance Testing and Engineering activities, like identifying performance bottlenecks, recommending resolutions, architecture validation involving proof of scalability testing, application profiling using various monitoring and diagnostics tools like JProfiler, Dynatrace, AppDynamics, Splunk and Nmon.
Possess good knowledge on AWR report analysis.
Experience in monitoring Application and Database servers using tools like PerfMon, Nmon and Slim.
Experience in UI profiling using Dynatrace Ajax and Fiddler. Also poses good knowledge in Dynatrace Server side Monitoring
Proficient in creating test scripts, test scenarios, test execution, result analysis and application profiling
Experience in Requirement Gathering - Identifying the Business requirements, Performance critical flows, Performance Objective and Workload by interacting with Stakeholders and Functional Testers
Possess good knowledge in SOA testing approach and experience in SOA performance testing.
Experience in coining ‘workload models’ to suit the production usage to ensure that applications are tested for Performance and Scalability under production like scenarios.
Experience in identifying the bottlenecks and providing recommendations to improve Performance and Scalability of an application.
Understanding of Policy Servicing as business processes with hands on experience on Exigen product for policy administration.
Worked on multiple Retail and insurance projects and possess good knowledge on Retail and Insurance domains
Led team of 5 performance testers for AAA.
Key Accomplishments
Have successfully coordinated uncovering of critical performance bottlenecks with in-depth analysis skills for different clients like AAA, Centrica, Staples and Family Dollar.
Identified root cause of memory leak issues with thorough analysis of the heap dumps.
Successfully accomplished migration of PAS App servers from AIX to LINUX and Web Servers from IIS to IHS by conducting tests to check “Per JVM” Capacity and “Per Server JVM Scaling” Capacity
Helped customer with process improvement initiatives to enhance performance engineering processes and also to increase efficiency
Handled Single member project and delivered on time
Certification: HP0 – M49 HP Virtual User Generator 11.x Software
Technical Skills:
Hardware / Platforms
Unix/Linux, Windows-XP/NT
Load Testing Tools
HP Load Runner 9.5, 11, 11.5, Silkperformer 9, VSTS
Performance Engineering Tools
Dynatrace Ajax Edition, Dynatrace Server Analysis, App Dynamics, Pmat, Http watch, Nmon
Programming Languages
C, C++, Java
Protocols Used
Web (HTML/HTTP), Web Services, SAP-web, SAP – GUI, Ajax True Client, Web Click and Script
Application Servers
IBM Web sphere, IBM HTTP Server, Microsoft IIS
Database
Oracle 11g
Organization: Cognizant Technology Solutions
Project at Centrica - Slingshot
Title Slingshot
Client Centrica
Tools Used Load Runner 9.5
Protocol SAP GUI
Period November 2012 – February 2013
Project Description
The Slingshot program was to review and consolidate British Gas processes and technology. The main objective of the program was to improve the Billing Accuracy, provide integrated online presence to reduce BGB cost and to provide alternate account management system to satisfy the customers. The performance testing scope is to identify response time, scalability & stability of Create bill and Order management system using SAP ISU module.
Role and Responsibilities
Developing scripts in SAP GUI Protocol using Load Runner
Executing Baseline test to check the response time & performance bottlenecks and Stress test to identify the scalability & stability of the application.
Analyzing test results, preparing test reports and sharing with the project team
Learnt about SAP ISU and CRM modules
Project at Centrica - Brite
Title Brite
Client Centrica
Tools Used Load Runner 9.5
Protocol SAP Web
Period February 2013 – March 2013
Project Description
Brite Program was designed to reduce the Bad Debt Charge (BDC) ratio which was integral for achieving profits and to lead best practice in Credit & Risk of British Gas Business. The main objective of the project was to simulate production like load on the application i.e. the Real Time Credit Vetting System in the Centrica website which is the key feature to identify the high risk customers and evaluate the performance under load.
Role and Responsibilities
Requirement Gathering - Identifying the Business requirements, Performance critical flows, Performance Objective and Workload by interacting with Stakeholders
Preparing Test plan and Traversal flow document
Developing scripts in SAP Web Protocol using Load Runner
Designing Workload model to simulate production like scenario
Executing Baseline test to check the response time & performance bottlenecks of the application
Analyzing test results, preparing test reports and sharing with the project team
Project at Staples
Title DotCom Perf Testing
Client Staples
Period April 2013 – March 2014
Project Description
The main objective of the program was to test the response of main Staples.Com website under production like scenario. The Critical transaction includes Searching the product, Add to cart, Checkout and payment which are performance tested for normal load as well as peak load. Also performance tested for the stability and scalability of the website to withstand during peak load seasons such as Black Friday by analyzing previous year production logs and monitoring the servers. Tested the performance of Endeca Search engine used by Staples DotCom. Browser level performance testing was done for IE, Chrome and Firefox by using Dynatrace Ajax and automated for multiple iterations using Selenium.
Tools used in Project
Silk Performer 9.0
App Dynamics
Silm
Nmon
Dynatrace
Pmat GC Analyzer
Role and Responsibilities
Executing Baseline, Stress and Endurance test to check the response time, performance bottlenecks, scalability and stability of the application.
Analyzing Memory usage pattern and identifying the memory leak pattern through GC Analysis
Monitoring the system under test through Nmon and Slim and Profiling was done using App Dyanamics
Browser level testing using Ajax Dynatrace and automation done through Selenium
Analyzing production logs and tuning the scenario to suite the peak workload model
Analyzing the test results sharing the test results with project team.
Project at Family Dollar
Title PDT Perf Testing
Client Family Dollar
Period March 2014 – May 2014
Project Description
The main objective of the program was to measure the response of the critical web services designed/developed for PDT 9.0 Release, to validate whether the PDT infrastructure can handle Peak load i.e. Scalability and to measure the response time of web services in Production like Bandwidth
Tools used in Project
VSTS
Perfmon
Role and Responsibilities
Preparing Test plan and Traversal flow document
Developing scripts in Web service protocol using VSTS
Executing Baseline and Stress test to measure the response time, performance bottlenecks, scalability and stability of the application.
Monitoring the system under test through Perfmon
Analyzing the test results sharing the test results with project team.
Single Member Project - Successfully coordinated with all the teams and delivered the project on time
Project at AAA
Title PAS
Client American Automobile Association (AAA)
Period May 2014 – July 2016
Project Description
PAS - Policy Administration System is a Java Application built upon Insurance product “Exigen” provides Insurance business processes and capabilities, and supporting the improvements with a new, highly integrated, and flexible system. The main objective of the program was to test the response of Critical Insurance policy creation flows which integrates with Address validation System, Payment Central, Document Generation and Customer Master New Generation. Browser level performance testing was done for IE, Chrome and Firefox by using Httpwatch.
Successfully accomplished the migration of PAS App servers from AIX to LINUX and Web Servers from IIS to IHS by conducting tests to check “Per JVM” Capacity and “Per Server JVM Scaling” Capacity.
Tools used in Project
Load Runner 11.50
Dynatrace
Perfmon
Nmon
Httpwatch
Pmat GC Analyzer
Role and Responsibilities
Developing complex scripts for critical policy creation flows using Load Runner
Executing Baseline, Stress and Endurance test to check the response time, performance bottlenecks, scalability and stability of the application.
Analyzing Memory usage pattern and identifying the memory leak pattern through GC Analysis
Monitoring the system under test through Nmon and Profiling was done using Dynatrace
Browser level testing using Httpwatch and monitoring the servers through Perfmon
Executing Batch Jobs and performance was measured
Coordinating work, ensuring timely and high quality delivery of the performance testing and engineering activities by the offshore team
Education
Bachelor of Engineering from PSG College of Technology, Coimbatore, India, 2012
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