Kannammai V R

Dynamic professional with 13 years of experience at Tata Consultancy Services and Cognizant, specializing in performance testing and functional testing. Proven track record in project management, utilizing JMETER and DYNATRACE to analyze performance bottlenecks and enhance software quality. Successfully facilitated SCRUM events and promoted Agile practices, demonstrating a commitment to team growth and innovative technology solutions. Currently seeking opportunities to leverage refined skills in performance testing following a career break, with a focus on delivering exceptional user experiences.

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Assistance Consultant & Team Lead 

Tata Consultancy Services (TCS) | DTCC - BNYM Domain

 (September 2020-December 2020)

• Experience in using JIRA Test management tool for requirement traceability matrix, EPIC, User Story, Test case, Test execution and Defect reporting.
• Daily status report sent by highlighting progress, issues and risk to customers in JIRA dashboard and collaborated well with SCRUM team.
• Involved in analyzing user story and developed test plans, test user story.
• Facilitated all the SCRUM events and mentored new team members to follow the SCRUM framework.
• Resolved internal conflict within team.

Assistance Consultant & Team Lead
Tata Consultancy Services (TCS) | DTCC - BFS Domain
January 2014- July 2020

• Spearheaded performance testing initiatives, including load testing for the Global Trade Repository web application, ensuring optimal system performance and adherence to SLAs.
• Designed and executed scripts to simulate 250 users submitting trades simultaneously at 5-minute intervals, analyzing response time, throughput, and performance metrics using JMETER.
• Monitored QA AUTOSYS jobs, identified long-running issues, and resolved Out-of-Memory (OOM) errors for ETL report servers.
• Proactively monitored SQL sessions during load testing on Oracle SQL Server, identifying long-running sessions and analyzing AWR reports to pinpoint high CPU utilization, I/O bottlenecks, and elapsed time issues.
• Collaborated with Oracle DBAs to optimize SQL execution plans, resolve long-running SQL IDs, and improve database performance using AWR reports and baseline comparisons.
• Utilized infrastructure monitoring tools like Dynatrace, Splunk, and TeamQuest to measure server performance, including CPU, memory, and disk utilization, and identified application bottlenecks.
• Conducted thread dump and heap dump analysis using JProfiler, and performed client-side analysis using Selenium, providing actionable recommendations to developers for performance improvements.
• Expertise in CI/CD pipeline regression testing and proficient in tools like Git, GitHub, and Jenkins for version control and automation.
• Drilled down long-running process IDs, analyzed JVM and server details, and delivered actionable insights to optimize system efficiency.
• Facilitated SCRUM events and mentored new team members, ensuring adherence to Agile methodologies and fostering team collaboration.

Systems Engineer & Team Member
Tata Consultancy Services (TCS) | Target, NIELSON- RETAIL Domain
June 2011-June 2013

Tata Consultancy services-Systems Engineer-Customer Target, NIELSON(11/2007-06/2011)

• Ensure functional requirements are clear,complete and testable and prepared requirement traceability matrix.
• Collaborate with stakeholders,developer to review the scope of testing.
• Experience in preparing test data with positive,negative scenarios.
• Experience in Test execution for System Integration Testing
• Expertise in test management in ALM.
• Experience in regression and UAT testing.
• Shared daily progress report with pass/fail rates and defect details.

Programmer Analyst & Team Member
Cognizant Technology Solution (CTS) | AETNA, WELLPOINT- Health Care Domain
November 2007 - June 2011

• Ensure requirements are clear,complete and testable and prepared requirement traceability matrix.
• Collaborate with stakeholders to review the scope of testing.
• Experience in preparing Test plan updated with testing objectives,resources and risks.
• Based on high level design document,experience in writing test scenarios and test case.
• Experience in preparing test data with positive,negative and edge case scenarios.
• Experience in Test execution for System Integration Testing
• Tracked defect in QC 11.
• Experience in regression and UAT testing.
• Shared daily progress report with pass/fail rates and defect details.