Marjorie De Guzman

• Developed detailed test cases based on business requirements documents, ensuring accurate coverage of all functionalities under review using AzureDevops and Qase.io.
• Conducted thorough functional, end to end, and regression testing to verify bug fixes and maintain application stability.
• Managed bug tracking systems efficiently, ensuring all issues were logged, prioritized, and resolved in a timely manner using Jira and AzureDevops
• Use Outsystems Service Center to run timers or cron jobs to trigger backend processing to update data statuses during testing
• Provided timely feedback to developers on identified issues, enabling rapid resolution of bugs before launch deadlines.
• Contribute test cases to be automated and write 1-2 test scripts per suite using Playwright
• Writing down documentation for exit report, and essential information of each project tested in Confluence page
• Maintained strong communication with stakeholders throughout the project lifecycle, ensuring expectations were managed effectively regarding timelines and deliverables.
• Participated in agile development processes, contributing effectively to sprint planning and daily stand-up meetings.

• Perform thorough functional testing per micro-service project, from Backend to Frontend and then to integration testing phase
• Carry out API testing (AWS Lambda, Postman, Insomnia or GraphQL Playground) for payments’ micro-service and integration testing with 3rd party billing providers such as PaySmart and Debitsuccess.
• Contribute to ·automation test coverage using JavaScript for backend regression testing, Cypress and TestSigma for frontend regression testing, JMeter for performance and load testing investigations
• Wrote and optimized test cases to maximize success of manual software testing with consistent, thorough approaches.
• Maintained clear documentation of test cases, results analysis reports enabling easy reference during troubleshooting or enhancement phases.
• Monitored resolution of bugs, tested fixes, and helped developers tackle ongoing problems by providing QA perspective.
• Delivered high-quality products on time through a combination of manual testing and automated test scripts execution.
• Championed best practices in testing, promoting knowledge sharing and continuous learning within the QA team.
• Supported agile development methodologies by participating in daily stand-ups, sprint planning sessions, and code reviews for better process alignment.

• Analyze the updates on the technical specifications of the payment schemes and ensure that the code changes adhere to the requirements
• Use Galitt tool, UltraSmart XCORE and FIME tool to perform EMV Contact and Contactless Level 2 testing to validate payment kernels for EMV, Visa, MasterCard, Discover and American Express before it undergo certifications on the Labs and Payment Schemes
• Optimized in-house host simulator using Python scripting language to automate test configurations during regression testing efforts
• Debug, trace/read APDU logs, and discuss encountered issues to developers
• Setup, install and configure Outdoor Payment Terminals (OPT) for Level 2 testing
• Prepare all payment devices and peripherals to be sent to the functional Labs
• Efficiently communicate and send functional Labs the simulator application and payment kernel needed for functional and interoperability testing
• Collaborate and coordinate with the project team and project manager the status of testing and details that need prioritization
• Developed a web server integrated in the host simulator to receive commands from a Robot application using C#
• Execute Level 3 test cases to help investigate the issues encountered in the client’s side by using UL Brand Test Tool
• Maintain and organize certification tools and licenses
• Support developers in debugging issues by providing essential logs, screen shots, and traces from spy tools
• Support and train other testers in EMV Level 2 and Level 3 testing

• Ensured high-quality user experiences by evaluating usability, compatibility, accessibility, and performance across devices.
• Execute test scenarios, procedures and scripts for internal interoperability testing of chip cards and devices
• Support testing and approval process for all chip cards and device products
• Analysis interoperability issues and vulnerabilities, reported findings and recommended improvements.
• Communication and support to external laboratories regarding chip cards interoperability testing
• Review VISA test plans and report discrepancies to test developers
• Plan test schedules and strategies to complete BAU activities within deadlines
• Mentored junior QA engineers, fostering a culture of continuous learning and professional growth.

• Contributed to successful software releases with diligent testing that ensured adherence to requirements specifications.
• Used the following in-house tools to validate SIM Toolkit applications on telco chip cards:

IFDSIM, Mobile Simulator, CardScanPro, Profilier, Validator, USIMMaster, OTASS Simulator, JLoad,

Comprion, Starcache, PTTSuite, Microsoft Visual Studio, MenuTeller, SKBLoader

• Develop Mobile applets for SIM Toolkit of telco cards
• Write test scripts using C++ to perform alpha testing on the applets

• Develop software programs into big testing machines of the product i.e. hard drives.
• Provide software tools to be used by Quality Analysis team in their failure analysis activities.