Олена

Olena Tretiakova | QA Manual Tester LinkedIn:olena-tretjacova
Mizhhiria, Zakarpattia | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

Proactive QA Manual Tester with over 1 year of experience. Proven track record as the
sole QA Engineer on multiple projects, including:

●​ ROOs-fs.com (Web and mobile) and MDhair.co(Web and backend)

ROOs-fs.com and Nicklpass.com (Extension), Self-Service Portal, and Admin Panel

Technical Skills

●​ Testing: API (REST), Web, Mobile, Browser Extensions, Regression, UI/UX.
●​ Tools: Postman (Collections & Environments), Swagger, DevTools, Git, SQL.
●​ Testing: Payment systems — PayPal and Google Pay (via Stripe and Braintree).
●​ Management: ClickUp, Qase, Redmine, Google Sheets.
●​ AI & Automation: Actively using AI tools to improve test coverage, generate test
cases, and create documentation.

Professional Experience QA Manual Tester | matecube.dev

| June 2025 – Present Sole QA Ownership: Orchestrated the full testing lifecycle for 2
concurrent projects.

●​ API Testing: Architected comprehensive Postman collections from documentation;
validated data flow between backend and multiple frontends.
Regression & Release: Standardized quality by creating regression checklists; conducted
regular cycles to ensure zero-defect deployments.

| Sept 2024 – May 2025 QA manual Talent Bay(CRM-system)

End-to-End Testing: Validated complex business logic for scheduling systems and loyalty
programs.
API Validation: Tested core endpoints for status codes and JSON schema accuracy.
Mobile UI: Ensured high-quality responsiveness and cross-browser consistency.

English: Intermediate (B1), Ukrainian/Russian: Fluent/Native.