Osdan Fx mtz

QA Automation Engineer with over 5 years of experience in manual and automated testing for web applications, APIs, mobile, and ERP systems. Specialized in UI/API automation with Selenium, Playwright, and Java; validation with Postman and SQL; and test integration into CI/CD pipelines using agile methodologies. Experienced with Jenkins, Azure DevOps, Git, Jira, and performance testing with JMeter, focused on improving quality and reducing defects in production.

QA Automation Engineer (Freelance) - Embedded Games - Remote

(2025-10 - 2026-04)

• led the QA strategy for web platforms and APIs.
• executed manual testing, automation testing, API testing, and performance testing.
• validated backend integrations using Postman and Playwright.
• ran performance tests with JMeter to identify bottlenecks and stability issues.
• applied security testing practices aligned with the OWASP Top 10.
• collaborated with development teams using agile methodologies to ensure quality in continuous releases.

QA Manual & Automation Engineer - NTT DATA - Remote

(2024-12 - 2025-10)

• Designed and executed manual and automated test cases for enterprise web applications.
• Designed and maintained scalable automation frameworks using Selenium, Java, and TestNG.
• Improved regression testing efficiency by 40% through test automation.
• Executed backend validations using SQL and API tests using Postman.
• Collaborated on CI/CD pipelines using Jenkins and Azure DevOps for continuous execution of automated tests.
• Participated in DevSecOps and secure testing practices for early validation of quality risks.
• Managed Git repositories using pull requests and version control.

QA Manual & API Engineer - Sherwing Williams - Remote

(2023-10 - 2024-08)

• Provided QA services for ERP platforms and retail systems
• Designed and executed automated REST API tests using Postman
• Validated API contracts, JSON responses, and backend flows using SQL Server
• Executed various types of tests, including UAT, regression, and backend testing
• Collaborated with multidisciplinary teams using Agile/Scrum methodologies
• Documented defects, evidence, and test results using Jira

QA Manual & API Engineer - Sentara - Remote

(2022-10 - 2023-10)

• Documented and updated test cases, detailing execution steps, expected results, and evidence for ERP and retail applications.
• Created and validated test data for functional and backend scenarios using SQL Server and data generation tools.
• Executed manual and automated test cases for REST APIs, recording results and evidence in Jira/Azure DevOps.
• Performed exploratory, UAT, regression, and backend testing to ensure comprehensive functional coverage.
• Logged, documented, and tracked defects until resolution, collaborating with multidisciplinary Agile/Scrum teams.
• Generated test execution reports and defect summaries for quality tracking and QA metrics.
• Used AI tools and LLMs to accelerate test case generation and optimize testing processes.

QA Manual, Mobile & Automation Engineer - DataDyne Technologies - Remote

(2019-10 - 2022-09)

• Led QA activities for e-commerce platforms and ERP systems.
• Developed automation scripts using Selenium.
• Executed cross-browser and cross-device tests for web and mobile applications.
• Participated in API and performance testing using Postman and JMeter.
• Identified critical defects and quality risks before production releases.

QA Tester & Technical Support Engineer - Trinitate Showroom

(2018-11 - 2019-08)

• Performed functional tests and validations for ERP systems.
• Managed defects and backend validations using SQL.
• Provided technical support and incident analysis to end users.

Bachelor - Computer Systems Engineering - UTEL University (2023-02)

Certified - Cybersecurity and Ethical Hacking - BIG School (2026-04)