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I am a results-driven QA professional with extensive experience in Java-based automation, UI and API testing, and performance assessment. I specialize in building scalable automation infrastructures, improving test coverage, and partnering with development teams to drive reliable software releases. Over the years I have designed and maintained frameworks (Selenium-based UI tests, Java API test suites, data-driven architectures) and led cross-functional validation across Unix/Linux environments. I enjoy solving tough quality challenges and mentoring teammates to raise testing standards.…I am a results-driven QA professional with extensive experience in Java-based automation, UI and API testing, and performance assessment. I specialize in building scalable automation infrastructures, improving test coverage, and partnering with development teams to drive reliable software releases. Over the years I have designed and maintained frameworks (Selenium-based UI tests, Java API test suites, data-driven architectures) and led cross-functional validation across Unix/Linux environments. I enjoy solving tough quality challenges and mentoring teammates to raise testing standards.

Tuan Mai

QA Engineer, Developer, Web Developer, +2

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I am a results-driven QA professional with extensive experience in Java-based automation, UI and API testing, and performance assessment. I specialize in building scalable automation infrastructures, improving test coverage, and partnering with development teams to drive reliable software releases. Over the years I have designed and maintained frameworks (Selenium-based UI tests, Java API test suites, data-driven architectures) and led cross-functional validation across Unix/Linux environments. I enjoy solving tough quality challenges and mentoring teammates to raise testing standards.…I am a results-driven QA professional with extensive experience in Java-based automation, UI and API testing, and performance assessment. I specialize in building scalable automation infrastructures, improving test coverage, and partnering with development teams to drive reliable software releases. Over the years I have designed and maintained frameworks (Selenium-based UI tests, Java API test suites, data-driven architectures) and led cross-functional validation across Unix/Linux environments. I enjoy solving tough quality challenges and mentoring teammates to raise testing standards.

Available to hire

I am a results-driven QA professional with extensive experience in Java-based automation, UI and API testing, and performance assessment. I specialize in building scalable automation infrastructures, improving test coverage, and partnering with development teams to drive reliable software releases.

Over the years I have designed and maintained frameworks (Selenium-based UI tests, Java API test suites, data-driven architectures) and led cross-functional validation across Unix/Linux environments. I enjoy solving tough quality challenges and mentoring teammates to raise testing standards.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Senior Quality Engineer at Oracle

May 1, 2007 - November 1, 2025

Owned end-to-end validation of Oracle Essbase components, including Java API, dataload, metadata import/export (LCM, CLI, MaxL), outline and rules file editors, and Essbase partitions/federated partitions. Designed and executed comprehensive test plans leveraging UI automation (Selenium), Java API-based framework, and shell scripting framework, all tracked with Jira. Developed and maintained a scalable data-driven Java API-based test automation framework (JUnit, Ant, Eclipse) and improved code coverage from 50% to 70% using Emma/Jacoco. Executed performance and scalability testing and analyzed multi-platform regression results. Collaborated cross-functionally with development, QA, and support teams, and contributed to documentation and internal wikis.

Quality Engineer at Hyperion Solutions

March 1, 2006 - May 1, 2007

Performed testing for the Essbase partition module and APS middle-tier, validating High Availability, Clustering, Load Balancing, and Failover. Tested the Essbase Java API and XMLA clients; performed UI testing for EAS using Silk Test. Conducted regression testing across Linux, Windows, HPUX, and Solaris platforms. Investigated and resolved customer issues related to partitions, Java API, and APS components through close collaboration with engineering.