Patrick LIU

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Mainframe Quality Assurance Engineer/Developer at TD Canada Trust (Cognizant Client)|Scarborough, Ontario, Canada

Position:

Mainframe Quality Assurance Engineer/Developer at TD Canada Trust (Cognizant Client)

Location:

Scarborough, Ontario, Canada

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Last updated: 2026-04-07
Updated: 2026-04-07

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Work Experience 25 years

Mainframe Quality Assurance Engineer/Developer at TD Canada Trust (Cognizant Client)

May 2025 - Current

Mainframe Developer/Tester at Ministry of Health

May 2024 - Oct 2024

Mainframe Lead Developer/Tester at Canada Life (Tata Consultancy Services (Canada))

Nov 2022 - Jul 2023

Mainframe lead developer/Tester at Tata Consultancy Services

Aug 2021 - Aug 2022

Technical Business Analyst at DBS Bank

Nov 2020 - Aug 2021

System Analyst/Tester at Shanghai Commercial Bank Ltd

Sep 2019 - Sep 2020

System Analyst/UAT testing support at TA CONSULTANTS LTD

Jun 2018 - Sep 2019

Mainframe System Analyst at HSBC

Jan 2017 - Dec 2017

Mainframe System Analyst at China CITIC Bank International Limited

Sep 2015 - Dec 2016

UAT test analyst at Deutsche Bank

Feb 2015 - Jun 2015

Senior Mainframe programmer/analyst at TSYS

Feb 2013 - Sep 2014

Paralegal business analyst at Ministry of Health Ontario

Jan 2011 - Jan 2013

Programming Analyst at Ford Motor Company

Sep 2010 - Dec 2010

Business Analyst at RBC

Jun 2010 - Sep 2010

Advisory Application Developer at Intria Items Inc (CIBC)

Aug 2008 - Apr 2009

DEVELOPER IV at OAO Technologies Solutions

Apr 2007 - Aug 2008

System Specialist at The Bank of East Asia (BEA)

Sep 2005 - Mar 2007

Programming Analyst at CITC KA WAH Bank

Mar 2005 - Sep 2005

Developer IV at OAO TECHNOLOGY SOLUTIONS (Partnership with IBM US)

Mar 2003 - May 2004

Technical Systems Analyst at Moneris

Aug 2001 - Aug 2002

Patrick LIU started working in 2001, then the employee has changed 19 companies and 17 jobs. On average, Patrick LIU works for one company for 11 months.

Education

Webmaster (Technical) Postgraduate Certificate at Seneca College

Master of Business Administration - MBA at Cardiff University / Prifysgol Caerdydd

Bachelor's degree at Swansea University

Frequently Asked Questions

What is Patrick LIU's email address?

SignalHire found a verified business email address for Patrick LIU: *********@gmail.com.

What is Patrick LIU's phone number?

SignalHire found a verified phone number for Patrick LIU: +1-***-***-8162.

How do I contact Patrick LIU at TD Canada Trust (Cognizant Client)?

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What is Patrick LIU's professional background?

Patrick LIU has 25 years of professional experience. They have held roles including Mainframe Developer/Tester, Mainframe Lead Developer/Tester, and Mainframe lead developer/Tester at companies such as Ministry of Health, Canada Life (Tata Consultancy Services (Canada)), and Tata Consultancy Services. Their education includes Webmaster (Technical) Postgraduate Certificate from Seneca College, and Master of Business Administration - MBA from Cardiff University / Prifysgol Caerdydd.

Is Patrick LIU's contact information up to date?

Yes. Patrick LIU's SignalHire profile was last updated on 7 April 2026, reflecting their current position as Mainframe Quality Assurance Engineer/Developer at TD Canada Trust (Cognizant Client).

Patrick LIU Namesakes

Name
Company
Position
Patrick Liu
Heavsty Transportation Technology (Jiangsu) Co., Ltd
Sales and Marketing Consultant | Psychology Volunteer
Patrick Liu
Software Engineer - Cloud Infrastructure

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