Senior QA Engineer

Performed end-to-end testing of a high-load web and mobile web iGaming platform. Tested casino platform functionality, game flows, external game provider integrations, game mechanics, and platform-side functionality.

Validated payments, billing workflows, transactions, bets and wins, balances, bonuses, free spins, and related business logic. Conducted REST API testing with Postman and Swagger, and performed functional, regression, integration, and release testing of web, Back Office, and admin functionality.

Validated data consistency across integrated systems using provider Back Office, internal Back Office, Event Generator, and MongoDB. Used BrowserStack for cross-browser and cross-device testing, and investigated issues through Sentry and browser DevTools.

Created and maintained test documentation in TestRail and Confluence, managed defects in Jira, and collaborated with developers, product owners, business analysts, and stakeholders in Agile/Scrum teams.

Tested Android and iOS VPN mobile applications, dating websites, and web applications across browsers and devices. Performed functional, regression, smoke, and release testing while verifying application stability, user workflows, VPN connectivity, and business requirements.

Conducted REST API testing using Postman and Swagger. Used Android Studio, Xcode, Charles Proxy, and Fiddler for debugging, log analysis, and network traffic inspection.

Performed cross-browser and cross-device testing on web and mobile platforms. Used Figma and Pixel Perfect to validate UI implementation and design consistency.

Created test cases, checklists, and test documentation in TestRail; reported and verified defects in Jira; maintained documentation in Confluence; and participated in Agile/Scrum ceremonies.

Performed end-to-end testing of a CRM system integrated with multiple external services. Validated complex business workflows, data consistency, third-party integrations, and release readiness.

Participated in requirements analysis, test design, test execution, and release validation. Performed front-end, back-end, and REST API testing using Postman.

Created and maintained test cases, checklists, and test documentation in TestRail. Managed defects and workflows in Jira and maintained project documentation in Confluence.

Collaborated with developers, product owners, and stakeholders throughout the SDLC. Mentored junior QA engineers on SQL and DOM topics, improved QA processes, and used Jenkins for build verification and deployment monitoring.

Completed the Data Analytics Basic with AI program. Practiced SQL, PostgreSQL, Excel, Tableau, and Power BI; studied relational databases, JOINs, normalization, statistics, hypothesis testing, regression analysis, dashboards, and data visualization.

Completed professional software testing training covering test design, defect reporting, test documentation, and SDLC fundamentals.