Junior QA Engineer

Junior QA Engineer — Vertex Software Solutions

San Jose, CA | June 2024 – Present

• Authored and executed 450+ automated and manual test cases for a high-volume B2B SaaS platform, identifying 85 critical regressions prior to production releases and increasing total test coverage by 15%.
• Created 120+ automated API test scripts using Postman and JavaScript, reducing regression testing cycles from 8 hours to 45 minutes and increasing deployment velocity across 3 development teams.
• Collaborated closely with 8 software developers in an Agile scrum environment to reproduce, document, and verify complex bug fixes, improving sprint task target completion rates from 76% to 94%.
• Managed regression, integration, and smoke testing suites for 4 major web application updates, maintaining a 99.8% bug-free production deployment rate across 12 consecutive months.

QA Engineering Intern — Apex Cloud Systems

Austin, TX | June 2023 – May 2024

• Conducted manual functional testing across 3 mobile applications on iOS and Android platforms, documenting 150+ detailed bug reports in Jira with clear logs and screenshots to reduce developer debug time by 32%.
• Executed 80+ daily sanity and smoke tests for web platform builds, reporting blockers and critical path failures to lead engineers, which reduced build failure resolution times by an average of 25%.
• Assisted in writing 50+ automation test scripts using Selenium WebDriver and Java, helping to build out the automation testing suite and saving the QA team an average of 6 manual testing hours per week.
• Performed cross-browser compatibility testing across 5 web browsers and 4 mobile device configurations, successfully resolving 35 cross-platform layout and functional defects prior to public launch.

Manual testing, Automated testing, Regression testing, Functional testing, API testing, Test case design, Defect tracking, Agile/Scrum, Selenium WebDriver, Postman, Cypress, Jira, Git, SQL, Java, Python, HTML/CSS, Jenkins

E-Commerce Test Automation Suite

Role: QA Automation Engineer

Tools: Selenium WebDriver, Java, Maven, Jenkins, Git

Designed a test automation framework for an e-commerce platform, automating 120+ test scenarios, which reduced manual regression testing efforts by 40%.

API Testing and Integration Validation

Role: QA Engineer

Tools: Postman, Newman, JavaScript, Jira

Built a collections-based API test suite for a microservices application, validating 45 endpoints and reducing integration error rates by 18%.

• ISTQB Certified Tester Foundation Level (CTFL) (2024)
• Certified Agile Tester (CAT) (2025)

• Languages: English (Native), Ukrainian (Conversational)
• Volunteer Work: Technical support volunteer for regional community library (2024-present)
• Availability: 2 weeks notice