Senior QA Engineer

Performed manual testing for a vehicle repossession web platform, including functional, regression, integration, API, end-to-end, and production testing. Analyzed business and technical requirements, identified gaps and risks, designed test coverage, estimated testing effort, and maintained test cases and QA documentation.

Tested APIs with Postman, Swagger, and Mock Server; validated request and response behavior, business logic, and error handling. Validated backend data in Azure SQL Database and Azure Cosmos DB, investigated defects and root causes, tested third-party integrations, and collaborated directly with clients and development teams through release and post-release validation.

Performed manual testing of web applications with emphasis on exploratory testing, edge cases, and unexpected scenarios. Created and maintained checklists and performed functional, regression, integration, UI/UX, cross-browser, cross-device, compatibility, and multilingual testing.

Developed Python scripts to support validation of functionality, data, and expected results. Used Postman, Chrome DevTools, logs, backend data, Selenium, Beautiful Soup, Google Analytics, and web scraping techniques to investigate issues and collaborate with developers on defect reproduction and verification.

Tested and maintained Magento-based e-commerce websites across frontend and admin/backend functionality. Performed UI, UX, functional, cross-browser, API, payment-flow, product configuration, settings, logs, and request validation.

Created QA documentation from scratch, including test coverage, checklists, test cases, and supporting artifacts. Participated in release validation, coordinated testing activities, and independently explored Python-based website test automation, including authentication handling and project structure design.

Led QA activities for mobile cooking games on iOS and Android. Created test coverage, checklists, test cases, and detailed bug reports, while validating gameplay mechanics, key user flows, UI/UX, functionality, compatibility, acceptance criteria, and exploratory scenarios.

Collaborated with product managers and developers to review and clarify requirements, investigate defects, and verify fixes. Participated in release planning, monitored sprint testing tasks and priorities, and coordinated QA activities throughout the release cycle.

Led end-to-end QA for Magento e-commerce platforms involving frontend, admin panel, backend integrations, microservices, payment systems, and production environments. Executed functional, regression, integration, cross-browser, acceptance, smoke, exploratory, UI, and UX testing.

Investigated application behavior through terminal tools, logs, request data, and backend information, including controlled SQL database updates. Managed release readiness, clarified customer requirements, created user documentation and tutorial videos, distributed QA tasks, onboarded team members, and supported multiple projects simultaneously.

Led manual and automated testing activities for multiple web projects. Designed test coverage, maintained checklists and test cases, distributed QA tasks, monitored progress, and trained new QA engineers during onboarding and early project work.

Performed functional, regression, UI/UX, cross-browser, compatibility, smoke, and exploratory testing. Worked with and extended an existing Python/Selenium automation framework using object-oriented programming principles, while using BrowserStack to ensure consistent quality across environments.

Performed manual testing of desktop music software, including functional, UI, usability, compatibility, security, localization, and positive and negative testing. Validated multilingual interfaces, audio playback, sound rendering, music notation, and musical content display.

Provided technical support to customers across Europe and North America, analyzed and reproduced customer-reported issues, and communicated findings to support and development teams. Created user-facing documentation, training materials, instructional videos, and presentation content.

Developed social network games with a focus on Match-3 mechanics, client-side functionality, user interfaces, map-based gameplay, and game-state logic. Worked with database interactions and analyzed application requests and responses.

Performed developer-level and white-box testing to validate application logic, data processing, and expected behavior. Investigated and debugged issues at code and data levels during development.