QA Automation Engineer

Dennis Os

QUALITY ASSURANCE (QA ENGINEER)

**.**********@*****.*** Birmingham, AL 205-***-**** Detail-oriented QA professional with 4+ years of experience in smoke, regression, and end-to-end testing across UI, API, and database layers. Adept in both manual and automated testing, with expertise in developing and maintaining automation frameworks. Experienced in test case creation, test plan execution, defect tracking, and ensuring software quality is at the highest standards. WORK EXPERIENCE:

Aetna – Software Development Engineer in Test (SDET) Chantilly, VA Apr 2024 – current

• Built and enhanced automation framework using Java, Selenium, JUnit, and Maven for comprehensive test coverage across Aetna’s member portal and claims processing systems.

• Contribute to CI/CD efforts by helping incorporate automated test suites into pipelines using Jenkins and Git, which helped reduce regression time by 30%.

• Work alongside cross-functional teams to implement BDD scenarios with Cucumber, improving clarity between QA, developers, and business stakeholders.

• Create and execute API automation scripts using Rest Assured, ensuring strong backend validation and improved integration stability.

• Design and execute complex SQL queries to validate backend data integrity and support end-to-end test scenarios, contributing to a 40% increase in overall test coverage. K12 Insight - QA Automation Engineer Herndon, VA

Jan 2023 – Mar 2024

• Developed and maintained modular automated tests using Selenium and TestNG for the Let's Talk! platform and Let's Talk Assistant chatbot, increasing regression test coverage by 65%.

• Collaborated on the integration into CI/CD pipelines using Jenkins and Git, reducing release cycle time by 30%.

• Built a scalable data-driven automation framework to streamline testing across multiple configurations of the Engage survey platform.

• Performed REST API testing using Postman and Rest Assured to validate service integrations and ensure chatbot reliability.

• Collaborated closely with developers and support teams to log and track defects in JIRA, improving product stability by 25%.

U-Haul - Software Quality Analyst Phoenix, AZ

Mar 2021 – Dec 2022

• Started as a manual tester for a fleet management platform, where I developed and executed detailed test cases for web and mobile apps, helping identify critical issues early in development.

• Self-learned Java and automation tools while working full-time, driven by a strong interest in automation, transitioned from manual to automated testing.

• Ensured accurate synchronization between UI workflows and backend APIs by validating real-time truck availability and reservation data, maintaining consistent reliability across U-Haul’s rental booking platform.

• Supported QA efforts by contributing to test case design and execution, ensuring quality and consistency in fleet tracking and maintenance modules.

• Enhanced U-Haul’s test automation framework with modular, reusable components to support scalable testing of rental booking, scheduling, and inventory systems, significantly reducing maintenance overhead. EDUCATION:

ODABA, (OGASA) Ukraine – Master of Civil and Industrial Engineering. Sep 2007- May 2012

SKILLS:

Java, SQL; HTML; CSS; Gherkin; Selenium WebDriver; TestNG; JUnit; Maven; Cucumber; Jenkins; JMeter; Rest Assured; Postman; MySQL; PostgreSQL; Oracle; Jira; Agile; Scrum; SDLC; STLC.

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