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I'm Irem Gumus, a results-driven QA Automation Engineer with 7+ years of experience architecting robust test automation solutions that deliver measurable business impact. I specialize in full-stack test automation, REST API testing with REST Assured, and building scalable CI/CD pipelines. I turn manual QA processes into automated ecosystems, expanding end-to-end coverage while keeping zero critical production issues.…I'm Irem Gumus, a results-driven QA Automation Engineer with 7+ years of experience architecting robust test automation solutions that deliver measurable business impact. I specialize in full-stack test automation, REST API testing with REST Assured, and building scalable CI/CD pipelines. I turn manual QA processes into automated ecosystems, expanding end-to-end coverage while keeping zero critical production issues.

Irem Gumus

QA Engineer, Full Stack Developer, Web Developer, +2

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I'm Irem Gumus, a results-driven QA Automation Engineer with 7+ years of experience architecting robust test automation solutions that deliver measurable business impact. I specialize in full-stack test automation, REST API testing with REST Assured, and building scalable CI/CD pipelines. I turn manual QA processes into automated ecosystems, expanding end-to-end coverage while keeping zero critical production issues.…I'm Irem Gumus, a results-driven QA Automation Engineer with 7+ years of experience architecting robust test automation solutions that deliver measurable business impact. I specialize in full-stack test automation, REST API testing with REST Assured, and building scalable CI/CD pipelines. I turn manual QA processes into automated ecosystems, expanding end-to-end coverage while keeping zero critical production issues.

Available to hire

I’m Irem Gumus, a results-driven QA Automation Engineer with 7+ years of experience architecting robust test automation solutions that deliver measurable business impact.

I specialize in full-stack test automation, REST API testing with REST Assured, and building scalable CI/CD pipelines. I turn manual QA processes into automated ecosystems, expanding end-to-end coverage while keeping zero critical production issues.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Advanced

Work Experience

QA Automation Engineer at ADP

January 1, 2025 - September 1, 2025

Architected a dual-frame testing strategy for ADP Workforce Now, implementing BDD with Cucumber/Selenium for business-critical scenarios and DDT with Playwright/CodeGen for data-intensive validations, improving test modularity. Expanded E2E coverage by 200+ automated scripts validating payroll, tax calculations, and time-tracking workflows. Engineered a REST API test suite using REST Assured and Postman achieving 98% API coverage. Optimized the CI/CD pipeline with Jenkins, reducing build time by 30% and enabling continuous testing across five environments.

QA Automation Engineer at Walmart

May 1, 2021 - January 1, 2025

Designed and implemented an enterprise-scale E2E testing framework using Java, Selenium WebDriver, and Cucumber BDD, reducing production bugs by 60% and accelerating deployment speed by 40%. Automated testing for 15+ mission-critical applications integrated with Jenkins CI/CD pipelines. Led testing across Smoke, Functional, Regression, and Integration testing, significantly reducing post-release defects. Implemented data-driven testing with JDBC and SQL, improving test data accuracy and execution efficiency. Spearheaded API testing initiatives using REST Assured and Swagger to improve overall API coverage and efficiency.

QA Engineer at Epic Systems

January 1, 2019 - May 1, 2021

Developed a comprehensive test suite of 100+ test cases as a Scrum team member, improving software robustness and reducing UAT defects. Collaborated with stakeholders and clinical end-users during UAT cycles to validate healthcare workflows met functional and compliance requirements, ensuring zero critical gaps at go-live. Converted 160+ manual test scripts to automation using Selenium WebDriver and TestNG, expanding test coverage by 40%. Enhanced test accuracy through advanced locator strategies and optimized TestNG execution workflows. Established Requirements Traceability Matrix (RTM) linking test cases to business requirements, improving defect tracking and UAT audit readiness.