Поліна

POLINA SHUMILINA
Junior QA Engineer
Novi Sad, Serbia | LinkedIn | GitHub
[відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY
QA Engineer with a frontend development background and experience in manual testing, API
validation, and defect life cycle management. Document defects in Jira with actionable reproduction
steps, expected and actual results, and priorities based on business impact. Combine analytical and
technical skills to support reliable, high-quality software delivery.

TECHNICAL SKILLS
Testing Processes: Manual Testing, Exploratory Testing, Functional & UI/UX Testing, Regression
Testing, Defect Life Cycle Management, Bug Reporting.
Tools: Jira, Postman, Chrome DevTools, Git, GitHub.
Technical: JavaScript, React, REST API, HTML, CSS, Linux, AI Tools / Prompt Engineering
(ChatGPT, Claude).
Languages: Russian (Native), Ukrainian (Fluent), English (B2).

PROFESSIONAL EXPERIENCE
Manual QA Engineer | Levada.Club Feb 2026 – Present
Perform systematic manual functional and UI testing of a live production web platform to
support platform stability and a high-quality user experience.
Manage the defect life cycle in Jira by documenting bugs with precise reproduction steps,
expected and actual results, and priorities based on business impact.
Collaborate with developers to validate bug fixes and perform regression testing of new
features.
Perform cross-browser testing and validate forms to identify edge cases and usability flaws.
Frontend Developer (QA-focused) | TXTsoft Taiwan Mar 2024 – Dec 2024
Developed frontend features using React and TypeScript and manually tested each
implemented component before release.
Identified and reported UI/UX inconsistencies and functional bugs throughout the
development cycle, contributing to final product quality.

Validated API responses and data rendering to verify correct client-server communication.
Assisted backend developers in a cross-functional environment with reproducing and
debugging complex issues.

Web Projects | Freelance & Personal 2022 – 2025
Used exploratory and ad-hoc testing techniques to test self-developed web applications.
Validated REST API endpoints and traced data flow to verify data integrity and correct UI
rendering.
Maintained a technical issue log and applied standard documentation practices for tracking
project quality.
Assistant System Administrator | Columbia Shipmanagement 2016 – 2018
Tested internal CRM systems from the user perspective and provided feedback that
improved system functionality and workflows.
Acted as a technical bridge between managers and developers by documenting requirements
and tracking issues.

EDUCATION
B.Sc. Communication Networks – ONAT, Ukraine
Web & Mobile Development – Tel Ran Coding School, Israel