Available to hire
Hi there! I’m Rexis Aguirre, a Software QA Engineer with a passion for delivering reliable, scalable software. I’ve spent more than a decade testing complex hardware-software ecosystems, validating REST APIs with Python and PyTest, and building automated tests that cut defect leakage and speed up releases.
I thrive in Agile environments, turning requirements into robust test plans, collaborating with developers and stakeholders, and maintaining cross-platform test environments for Android and iOS. I love learning new tools and techniques to keep quality high and teams happy.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Software QA Engineer at Qatronix
January 1, 2023 - PresentDelivered reliable, scalable, and customer-ready software through extensive QA planning and execution as part of Agile teams. Designed test plans and test cases; executed them using Xray for Jira, producing actionable reports that enhanced team decision-making. Performed comprehensive REST API validation using Python and Pytest to ensure data integrity and endpoint compatibility; resolved critical vulnerabilities that improved system reliability by 40% and cut incident reports by 25%. Converted test cases into Cucumber feature files for Selenium Web Driver (Java); monitored Jenkins CI/CD jobs and analyzed trends, reducing defect leakage by 15%. Executed backend data validation by writing SQL queries to confirm database integrity and validate API outputs. Tested delivery applications across Android and iOS using Android Studio (ADB) and Xcode simulators; collected logs, managed builds, and verified cross-platform functionality. Generated detailed test reports and metrics to communicate
System Test Engineer IV at Fujitsu Network Communications
January 1, 2010 - January 1, 2021Contributed to all phases of testing and drove measurable impact, including reducing customer-found issues by 20%. Tested and verified complex systems involving hardware and software; validated interoperability of Virtuora NC with the 1FINITY open hardware platform, provisioning ROADM s and transponders. Performed validation by monitoring NETCONF protocol operations via Open Config Yang model. Developed and executed functional and automated test plans through Postman to uncover REST API defects. Provided root-cause analysis to software and hardware development teams; logged and escalated hardware issues related to the 1FINITY platform. Coordinated hardware lab deployments across global teams and supported international customer sites, helping to establish lab topology and activate test services. Maintained and configured test labs including hardware selection, VM provisioning, and connectivity validation. Led end-of-cycle postmortem reviews, streamlined release testing processes and mi
Education
Bachelor of Science in Computer Engineering at Santa Clara University
January 11, 2030 - December 10, 2025Bachelor of Science in Computer Engineering at Santa Clara University
January 11, 2030 - December 10, 2025Bachelor of Science in Computer Engineering at Santa Clara University
January 11, 2030 - December 10, 2025Qualifications
Industry Experience
Software & Internet, Telecommunications, Manufacturing, Professional Services, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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