Web-based e-commerce multi-tier headless architecture application with integrated third-party services.Agile SCRUM team of experienced and passionate developers striving to implement the most modern software development techniques.Planning, coordination, and execution of all testing stages. Manual testing. Cross-browser compatibility testing. Test automation (Cypress framework, TypeScript) for regression testing. Developed automation framework integrated into the codebase from scratch using an easily scalable Page Object Model (POM) design. Integration with distributed version control system and Continuous Integration - Continuous Deployment (CI/CD) pipeline. Testing against Vercel deployment environment. Performance and Load testing (Apache JMeter).TestRail platform for test management. Jira for project management.

Client-server Mobile SAAS (Software as a service) application (cross-platform IOS and Android), multi-tier Web-based e-commerce client-server application (B2B, trade platform).· Worked in Agile scrum methodology in close cooperation with developers. Participated in all ceremonies and events from planning to release stages.· Performed requirements, specifications, and mockups analysis and evaluation for projects.· Performed test planning, worked closely with other team members to create test strategy and test plan. · Created, modified, and executed test cases, wrote bug reports.· Performed build-acceptance, functional, GUI testing, regression, non-functional (incl. accessibility) testing, cross-browser and cross-platform testing, including using cloud services.· Performed REST API testing using Postman. · Used SQL queries to analyze data in DB (Oracle, MySQL) and to compare data on the backend with client-side data. Used data mocking to test the interaction between DB and UI.· Performed converting manual test cases to automation test scripts using built from scratch modern automation framework for regression testing and covering the AUT basic functionality. Wrote test scripts for API testing. · Wrote test scripts using JS, Cypress framework, VS Code.· Used GIT version control system and GitHub hosting service to integrate tests into CI/CD pipeline.· Performed Mobile application and responsive Web application testing on real devices, emulators, and simulators using Android Studio, Android Debug Bridge, Xcode, and device-farm services (Amazon Web Services Device Farm, Samsung Remote Test Lab).· Inspected logs and HTTP responses using Chrome DevTools.· Used modern project-management tools (JIRA) for defect tracking and team interaction during the Software Development Life Cycle.

Web-based client-server e-commerce application (online store - multi-tier trade platform). · Closely cooperated with developers in debugging issues and covering use cases, participated in various meetings. · Performed requirements analysis and test planning. Wrote test cases. Performed defect tracking and bug reporting using Trello project - management system.· Performed exploratory, ad-hoc, functional end-to-end (E2E), build acceptance, regression, and non-functional testing. SQL queries (PostgreSQL). API testing. Swagger.· Verified GUI implementation to match the app-specific design requirements, mockups, and interface guidelines. · Performed localization testing for different countries and languages. Performed performance testing using JMeter.· Developed test automation scripts (Java, Selenium, Maven, TestNG, IntelliJ IDEA).