Hariharan Katchaiappan
Sr. QA Automation & Performance Engineer
*.**********@*****.***
Troy, MI • 667-***-**** • H1B Visa
Professional Summary
Highly accomplished QA Engineering professional with extensive experience in performance engineering, test automation, QA governance, and tool administration across Banking and Telecom domains. Proven track record of leading global onshore/offshore teams and driving enterprise-wide QA strategies that align with business objectives.
Expert in designing and implementing scalable performance testing solutions, building robust automation frameworks, and optimizing QA processes through Test Center of Excellence (TCoE) best practices.
Recognized for strong leadership, stakeholder collaboration, and the ability to transform QA functions into strategic enablers of digital transformation and high-performing engineering organizations
Core Skills
Performance Testing: NeoLoad, LoadRunner, JMeter, QAload, Performance Center
Automation: Selenium, UFT/QTP, TOSCA, SOAP UI
Test Management: ALM/Quality Center, Jira, Agile/Scrum
Languages/OS: SQL, PL/SQL, VB, C • Windows, Linux, IBM-AIX
Other Tools: PuTTY, TOAD, WinSCP, Parasoft SOA
Professional Experience
Flagstar Bank – Troy, MI
Sr. QA Automation & Performance Engineer (TCOE) • Jun 2023 – Present
Gather and analyze performance testing requirements; design and execute load/performance tests.
Administer enterprise QA tools, including license and user management; coordinate with vendors for POCs and tool adoption.
Create and execute functional automation scripts using Selenium and TOSCA
Publish detailed performance results and work with application teams to optimize system performance.
Contribute to TCOE governance, process standardization, and continuous QA efficiency improvements.
Tata Consultancy Services (TCS) • Mar 2007 – Jun 2023
Performance Tester – Flagstar Bank • Dec 2016 – Jun 2023
Performed performance testing for mortgage applications (Loantrac, Mortrac, Portals).
Coordinated onsite/offshore delivery, test planning, and environment readiness.
Team Lead – TalkTalk Telecom, UK • Apr 2016 – Nov 2016
Led performance testing for telecom provisioning systems; reviewed JMeter and QAload scripts.
Coordinated requirements, issue resolution, and progress tracking with clients and offshore teams.
Test Lead – Three UK • May 2014 – Mar 2016
Managed SIT, regression, and test planning for telecom systems including CRM, Billing, POS, and integration layers.
Created strategies, executed test cycles, and delivered comprehensive exit reports.
Test Lead – CenturyLink • 2012 – 2014
Executed and maintained automation suites (QTP), system test plans, and ALM reporting.
Coordinated cross-functional teams and ensured high-quality deliverables.
Performance Test Coordinator – Sprint Nextel • Jul 2011 – Dec 2011
Conducted end to end performance testing for T8S shopping application.
Reviewed LoadRunner scripts, executed load tests, and published performance reports.
Test Analyst / Performance Tester – CenturyLink • 2007 – 2011
Conducted system, integration, and regression testing for provisioning and network fault systems.
Developed performance test scripts, automated regression suites, and prepared metrics reports.
Education
Bachelor of Technology, Electronics & Communication Engineering — Anna University, Chennai, India (2006)
Personal Details
DOB: Apr 19, 1985 • Married • Troy, MI • H1B Visa