Denis Vasielvskiy

Senior General QA Engineer | Web & Mobile | Automation & Manual | 3+ Years

Senior QA Engineer with 3+ years of experience in full-cycle testing of web and mobile applications (Android, iOS). Skilled in manual & automated testing, test strategy, API validation (REST, SOAP, Swagger), database testing (SQL), and CI/CD integration. Hands-on experience with Playwright, Cypress, WebDriverIO, Appium, JS/TS, and Firebase.

Proven ability to lead QA processes, mentor junior engineers, build scalable automation, and ensure high-quality product delivery. Strong expertise in Git, Jira, Postman, Swagger, SQL, and effective cross-functional collaboration. Organized, detail-oriented, and proactive problem solver.

Key Skills:

• Test Strategy & QA Processes

• Manual, Regression, Exploratory Testing

• Automation (Playwright, Cypress, WebDriverIO, Appium)

• API Testing (REST, SOAP, Postman, Swagger)

• Database & SQL Testing

• CI/CD & DevOps Collaboration (Jenkins, GitHub Actions, GitLab CI)

• Performance/Load Testing (JMeter / k6 basics)

• Team Leadership & Mentoring

• Git, Jira, Confluence, Firebase