Led end-to-end QA for web and blockchain-integrated modules, including NFT creation, mystery box flows, wallet linking, and vending machine purchases. Designed and executed test plans for mission-based journeys (quizzes, surveys, blog tasks, token-earning mechanics, airdrop participation). Validated smart-contract behavior, GraphQL API behavior, and asynchronous transaction flows. Coordinated defect triage with developers and blockchain engineers. Mentored junior testers and improved QA processes. Automated web regression using Playwright to support stable headless execution.

QA Engineer at EMAPTA VERSATILE SERVICES INC

April 1, 2019 - June 1, 2023

Tested core modules of a web-based property management system (property listings, tenant–owner contracts, billing workflows, general ledger validations, and real-time rent price comparison). Conducted functional and regression testing across web and mobile platforms, ensuring accurate display of property data, financial reports, and chat features. Created and executed detailed test cases, collaborated with developers and product teams to investigate issues and validate fixes across multiple releases. Provided guidance to fellow QA members during issue investigations and test planning. Automated tests to improve regression coverage using Selenium Java framework.

Operations Manager at HEXAFUSION SALES CORP

July 1, 2017 - March 1, 2019

Managed daily operational workflows, coordinated with internal teams and external vendors to ensure smooth processes. Oversaw a small team, handled customer pricing requirements, and supported decision-making through data and process analysis. Strengthened leadership, communication, and problem-solving skills that later supported cross-functional collaboration in QA roles.

Software Test Engineer at EXIST SOFTWARE LABORATORIES INC

October 1, 2015 - October 1, 2016

Executed functional and regression testing for an enterprise accounting/financial system, validating calculations, workflows, and data consistency across modules. Collaborated with developers, product managers, and analysts to clarify requirements and ensure correct behavior based on business rules. Supported clients during UAT by investigating issues, verifying fixes, and ensuring system readiness. Assisted fellow QA members in troubleshooting test cases and blockers.

Business Analyst at EXIST SOFTWARE LABORATORIES INC

October 1, 2016 - June 1, 2017

Gathered and documented requirements for enhancements in an enterprise accounting system, including workflows, reports, and financial logic. Validated new features prior to release to ensure alignment with functional and financial requirements. Worked closely with stakeholders and developers to ensure correct implementation and clear communication.

Software Engineer at DENSO TECHNO PHILIPPINES INC.

October 1, 2012 - May 1, 2015

Performed QA validation on ECU (Engine Control Unit) software for Toyota diesel vehicles, ensuring accuracy and reliability of embedded system behavior. Served as a cross-checker to verify the work of other testers, maintaining strict quality standards and preventing issues prior to integration. Led a small team of 5 members, tracking their progress and providing regular status updates to management. Assisted teammates during testing challenges and contributed to maintaining a high-quality testing process.