I'm Patrina, a dynamic Test Engineer with a decade of experience in quality assurance and product development. I excel at leading cross-functional teams and implementing testing strategies for mobile apps and firmware, ensuring transparency and efficiency in QA processes. I've delivered Bluetooth-enabled products and AI applications, improving user satisfaction and operational effectiveness. I'm eager to leverage these skills in a challenging role to drive innovative solutions and contribute to the team's future success.

Patrina Lim

I'm Patrina, a dynamic Test Engineer with a decade of experience in quality assurance and product development. I excel at leading cross-functional teams and implementing testing strategies for mobile apps and firmware, ensuring transparency and efficiency in QA processes. I've delivered Bluetooth-enabled products and AI applications, improving user satisfaction and operational effectiveness. I'm eager to leverage these skills in a challenging role to drive innovative solutions and contribute to the team's future success.

Available to hire

I’m Patrina, a dynamic Test Engineer with a decade of experience in quality assurance and product development. I excel at leading cross-functional teams and implementing testing strategies for mobile apps and firmware, ensuring transparency and efficiency in QA processes. I’ve delivered Bluetooth-enabled products and AI applications, improving user satisfaction and operational effectiveness. I’m eager to leverage these skills in a challenging role to drive innovative solutions and contribute to the team’s future success.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Principal Test Engineer (Team Lead) at Osim International Pte Ltd
August 1, 2023 - November 27, 2025
As part of a Digital Technology Scrum team, I collaborated with UX/UI designers, software and mechanical engineering, business development and marketing to deliver quality software products. Responsibilities included firmware for mainboard Bluetooth, backend API, mobile app UI/functionality, and data tracking. I participated in three weekly sprint reviews with stakeholders, produced documentation such as FAQs and user guides for factory demo apps, and supported factory testing in multiple languages. I also assisted with QA recruitment, manpower distribution, and mentored new QA members, establishing SOPs with other departments to improve testing coverage and transparency. Focus areas included product development, data tracking and product releases, with testing across platforms such as uGalaxy Sync eye massager, uPhoria Sync leg massager, and Invisible Massage chair.
Principal Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
February 1, 2022 - February 1, 2022
Led QA efforts for multiple modules in a compact electronics environment, coordinating mobile app, firmware, and backend testing. Involved in cross-functional collaboration for AI/ML related features and the integration of QA processes across teams and overseas subsidiaries.
Snr Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
July 1, 2017 - July 1, 2017
Managed test planning and execution for Android wearables and Bluetooth devices, authored structured test cases, and oversaw QA recruitment and onboarding. Contributed to the development of the QA framework for Theori (AI/NLP platform) and larger projects like MAF and Airasia super apps.
Snr QA engineer (Team Lead) at Fusion Garage Pte Ltd
January 1, 2012 - January 1, 2012
Worked on Android Tablet with a customised OS, focusing on browser components. Delivered field testing in the US and collaborated with partners to refine product quality.
System Specialist (Module Lead) at St Electronic (Info soft) Pte Ltd
June 1, 2011 - June 1, 2011
Prepared readiness for the 995 system (Singapore Civil Defence Force), performed system integration testing across modules, and guided the team on test coverage and test case planning for training systems.
Software Engineer II (QA) at Sybase Pte Ltd / SAP
June 1, 2011 - June 1, 2011
Joined iAnywhere department focusing on mobile app synchronization, in-house AI app, and Bluetooth stack qualification for Linux and Windows CE devices. Projects included Ianywhere PC synchronization, PC Anywhere desktop suite, WEP web portal, and Bluetooth stack qualification.
Application Specialist at Singapore Computer System Pte Ltd
April 1, 2006 - April 1, 2006
Part of the SDLC workflow for the Singapore Immigration system upgrade (ICA). Conducted requirement gathering, audit specification, use cases, and functional/system integration testing, including UAT.
Test Engineer at Infowave Pte Ltd
October 1, 2002 - October 1, 2002
Part of R&D testing for fleet management systems using GPRS, collaborating with factory production lines to ensure smooth delivery of production.
Test Engineer at Creative Technology Pte Ltd
February 1, 2000 - February 1, 2000
Early career role validating sound drivers, WHQL qualification, and installation packages for CD/DVD and related software on sound cards.
Snr Test Engineer (Team Lead) at Osim International Pte Ltd
July 1, 2023 - July 1, 2023
Worked as part of a Digital Technology Scrum team to deliver quality software products, including firmware for mainboard Bluetooth, backend API, and mobile applications. Collaborated with UX/UI, software, mechanical, business development and marketing teams. Delivered documentation for factory demos and factory testing in multiple languages, and contributed to training for worldwide subsidiaries. Led QA recruitment and manpower distribution, guided new QA members, and developed onboarding materials to improve testing transparency and workload balance.
Test Engineer at Infowave Pte Ltd
July 1, 2004 - July 1, 2004
R&D testing for fleet management systems using GPRS; collaborated with factory production to ensure smooth delivery of production items.
Test Engineer at Ecquaria Technologies Private Limited
October 1, 2002 - October 1, 2002
Validated BCA work head bidding system; developed test cases with SQL-based validation to ensure data integrity.
Snr Test Engineer (Team Lead) at Osim International Pte Ltd
March 1, 2022 - July 1, 2023
Part of a Digital Technology Scrum team delivering firmware, backend API, mobile UI, and data tracking. Participated in 3 weekly sprint presentations to stakeholders; produced FAQs and user guides for factory demo apps; supported factory testing across languages. Involved in QA recruitment and training; prepared QA orientation materials; improved cross-department SOPs to ensure testing coverage and transparency. Worked on product development, data tracking, and product releases across multiple devices.
Principal Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
November 1, 2017 - February 1, 2022
Led QA for Android watch, Bluetooth devices, and AI/NLP platform Theori; defined and implemented QA test strategies, built structured test cases, and mentored QA staff. Traveled to international sites (Hanoi, Shenzhen, UK, Seattle) for qualification events and factory testing. Worked on large-scale projects including MAF and AirAsia Super App; contributed to QA recruitment and onboarding.
Snr Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
March 1, 2012 - July 1, 2017
QA lead for mobile apps, firmware, backend, and sub-app testing; contributed to AI/NLP integration and platform Theori. Involved in test case design, execution, and cross-functional collaboration for multiple products such as Android watch and associated peripherals; supported QA recruitment and onboarding.
Snr QA engineer (Team Lead) at Fusion Garage Pte Ltd
June 1, 2011 - January 1, 2012
Worked on an Android tablet with customised OS; focused on browser component testing; performed field testing in the United States in collaboration with partner; contributed to QA activities during a critical growth phase.
System Specialist (Module Lead) at St Electronic (Info soft) Pte Ltd
November 1, 2010 - June 1, 2011
Part of the test team preparing readiness of the 995 system (Singapore Civil Defence Force); performed system integration testing across modules and guided test coverage; led team members and contributed to test planning for training systems.
Software Engineer II (QA) at Sybase Pte Ltd / SAP
June 1, 2006 - June 1, 2011
Joined iAnywhere department focusing on mobile app synchronization with desktop, in-house AI apps, web portal administration, and Bluetooth stack qualification. Focused on Bluetooth stack qualification for Linux and Windows CE devices; contributed to multiple projects including IAnywhere PC synchronization and related tooling.
Application Specialist at Singapore Computer System Pte Ltd
July 1, 2004 - April 1, 2006
Part of a large development team for the Singapore Immigration system upgrade (ICA). In social visitor pass team, participated in SDLC activities from requirement gathering, audit specifications, use cases, to developed functional and system integration test cases. Executed SIT/UAT and validated Ciris system.
Test Engineer at Infowave Pte Ltd
April 1, 2003 - July 1, 2004
Part of the R&D team testing the fleet management system for vehicles using GPRS; collaborated with factory production and supporting engineers to ensure smooth delivery of production.
Test Engineer at Creative Technology Pte Ltd
September 1, 1995 - February 1, 2000
Early career role validating sound drivers, WHQL qualification, and installation packages for sound cards and bundled software; involved in CD-ROM and driver validation across multiple languages.
Senior Test Engineer at Osim International Pte Ltd
March 1, 2022 - February 24, 2024
Senior Test Engineer responsible for end-to-end QA of firmware (mainboard Bluetooth), backend API, and mobile applications/UI, as well as data tracking. Collaborated with UX/UI designers, software developers, Product Owners, Mechanical Technology, Business Development and marketing teams to deliver quality software products. Participated in three weekly sprint reviews with stakeholders and prepared documentation such as FAQs and user guides for factory demo apps and user apps for factory testing in multiple languages. Led recruitment, manpower distribution, and weekly planning for a group of QA members; contributed to QA orientation material. Worked with factories on testing coverage and initiated SOPs with other departments to resolve conflicts affecting the QA department. Maintained transparency of QA work and balanced workload across the team. Remained hands-on with new product testing, customer market feedback support, and standardization of test cases for automation and manual tes
Senior Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
March 1, 2012 - July 1, 2017
Led QA activities for mobile apps, firmware, backend, and sub-app testing; contributed to QA recruitment and onboarding; developed test plans and contributed to automation efforts where applicable. Projects included Android smartwatch Dial, Bluetooth ear pieces, AI portal for telecom, and AI-enabled platforms.
Senior QA Engineer (Team Lead) at Fusion Garage Pte Ltd
June 1, 2011 - January 1, 2012
Worked on Android Tablet with customized OS and browser component; performed field testing in the United States; short engagement prior to company downsizing.
Senior Test Engineer / Principal Test Engineer at Osim International Pte Ltd
March 1, 2022 - February 1, 2024
Worked in a Digital Technology Scrum team delivering high-quality software products. Engineered firmware for mainboard Bluetooth, robust backend APIs, and mobile app interfaces with data-tracking capabilities. Participated in weekly sprint presentations and produced documentation (FAQs and user guides) in multiple languages for factory demo apps and user apps. Led two rounds of preparation and training for global subsidiaries, enhancing team capability. Projects included uGalaxy Sync eye massager, uPhoria Sync leg massager, and Invisible massage chair. As part of the team lead squad, contributed to QA recruitment, manpower optimization, mentoring, and development of QA orientation materials to promote testing transparency. Liaised with factory personnel to establish testing coverage and helped implement standard operating procedures to resolve cross-department conflicts. Focused on product development, data tracking, and release activities, and prepared BDD test cases for automation te
Sr Test Engineer (Module Lead) at Iamplus Electronic Pte Ltd
March 1, 2012 - July 1, 2017
Contributed to QA for mobile applications, firmware, backend systems, and sub-application testing. Undertook international travel for Bluetooth qualification events, factory support, and mobile network testing. In a module lead role, conducted QA recruitment interviews and structured test case execution. Projects included: Dial (Android smart watch), Buttons 2.0/2.5 (Bluetooth headset), German DT telco Al portal for customer service, in-house AI NLP app Theori, and the MAF/Super app platforms for AirAsia. Responsibilities encompassed manual and BDD test case preparation and execution, test reporting, daily standups, sprint planning, and issue reproduction in Linux environments.

Education

Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - January 1, 2001
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - November 27, 2025
Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - January 1, 2001
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - November 27, 2025
Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - January 1, 2001
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - December 2, 2025
Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - January 1, 2001
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - January 10, 2026
Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - January 1, 2001
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - January 10, 2026
Bachelor Degree in Science (Computer Science) at University of Queensland
January 11, 2030 - February 19, 2026
Diploma in Electronic and Computer Engineering at Ngee Ann Polytechnic
January 11, 2030 - February 19, 2026

Qualifications

ABRSM Grade 8 Violin
January 1, 2007 - November 27, 2025
Trinity Performance Diploma (Violin)
January 1, 2012 - November 27, 2025
ABRSM Theory Grade 5
January 1, 2003 - November 27, 2025

Industry Experience

Software & Internet, Manufacturing, Consumer Goods, Telecommunications, Professional Services, Computers & Electronics, Media & Entertainment, Education, Healthcare