Костянтин

KOSTIANTYN DZIUBA
Toronto, ON   [open contact info](look above in the "contact info" section)   [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Experienced and highly motivated QA Automation Engineer with 4+ years of hands-on experience in manual and automated testing of web and mobile applications. Proficient in Java, Selenium, and API testing tools. Proven ability to design and implement efficient automated test frameworks that reduce regression effort and speed up release cycles. Strong team player in Agile/Scrum environments. Fluent in English and Ukrainian.
TECHNICAL SKILLS
Languages: Java, Python
Automation Tools: Selenium WebDriver, Cucumber, Gherkin, Playwright
Mobile Testing: Appium (Android/iOS), Manual
API Testing: Postman, Swagger (RESTful APIs)
Databases: MySQL, Oracle (SQL queries)
CI/CD: Jenkins, GitLab CI, Azure DevOps
Project Management: Jira, TestRail
Platforms: Windows, macOS, Linux, Android, iOS
PROFESSIONAL EXPERIENCE
LASTH, Toronto, ON — Remote
Nov 2020 – Present
- Automated 60% of regression test cases using Selenium + Cucumber, reducing execution time by 40%
- Enhanced API coverage by 30% using Postman automated collections
- Built and maintained CI pipelines in Jenkins for continuous integration of QA automation
- Performed cross-browser testing and backend verification with SQL queries
- Participated in daily Agile ceremonies and collaborated closely with devs and PMs
Ukrainian Government Project
Jan 2019 – Oct 2020
- Conducted manual and automated testing for internal government web portals
- Identified and documented critical bugs, helping improve platform security and stability
- Optimized manual test cases, reducing testing time by 35%
- Used SQL to validate data consistency and enforce business logic
- Managed defect lifecycle using Jira and maintained full traceability
EDUCATION & CERTIFICATIONS
QA Automation Certification, Silicon Valley IT Academy (USA), 2020
B.Sc. in Ecological Studies, Odesa State University, 2012
Faculty of Physical Education, Kamianets-Podilskyi Institute, 2016
ADDITIONAL INFO
Languages: English (Fluent), Ukrainian (Native)
Work Preferences: Remote or hybrid
Mobility: Open to relocation within Canada or internationally