Valeriia Kozak
San Francisco Bay Area,CA
Summary
As a QA Engineer with over 3 years of experience, I focus on enhancing user experiences across web and mobile platforms. With expertise in functional and non-functional testing and a solid understanding of the SDLC and STLC, I aim to deliver high-quality products. I'm known for being a reliable team member who approaches my work with dedication and enthusiasm. I enjoy staying organized and value open communication with my teammates.
Overview
4
4
years of professional experience
Work History
QA Engineer
Playball
10.2022 - Current
- Collaborate effectively with developers and product managers to ensure timely, high-quality releases.
- Use Jira and TestRail within Agile processes to optimize task management and communication.
- Design and execute test plans that cover both functional (UI, API) and non-functional (performance, usability) testing, increasing defect detection rates by 25% and supporting reliable product releases.
- Conduct thorough API testing with Postman, identifying and resolving endpoint issues to improve user experience and reduce post-release defects by 30%.
- Perform data validation using SQL, proactively identifying issues early in the development cycle and decreasing post-release defects by 20%.
- Performed manual testing across Android, iOS, and web platforms using TestFlight and Android Studio.
QA Engineer
Convoy Inc
12.2020 - 06.2022
- Analyzed requirements and developed comprehensive test scenarios, enhancing test coverage by 30% and reducing missed issues.
- Documented defects with clear, actionable reports, which helped decrease developer response time by 20% and streamline the feedback loop.
- Participated actively in sprint planning and review meetings, providing valuable insights on test progress, quality metrics, and areas for improvement.
- Facilitated knowledge sharing sessions on latest QA tools and techniques, keeping team up-to-date.
Education
Bachelor's degree - Business Administration and Management, General
University Of Social Sciences
PolandSkills
- GitHub
- Continuous Integration and Continuous Delivery (CI/CD)
- HTML
- CSS
- Android Studio
- TestFlight
- MySQL
- JIRA
- TestRail
- XRAY
- Postman
- Swagger
- SDLC, STLC
- Black, Grey, White box testing
- Teamwork
- Problem Solving
- End-user Empathy
Timeline
QA Engineer
Playball
10.2022 - Current
QA Engineer
Convoy Inc
12.2020 - 06.2022
Bachelor's degree - Business Administration and Management, General
University Of Social Sciences
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