Yuliia H.

Offer Yuliia work on your next project.

Kyiv, Ukraine

6 months 23 days back

available for hire

on the service 10 years

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Testing & QA

196 place out of 1379

Language proficiency level

Skills and abilities

Programming

Portfolio

All works 3
Testing & QA 3

API & Backend Testing

Testing & QA

Project: Accelario — Enterprise Data Management Platform
Role: QA Engineer (Manual + API + Backend)
Duration: Ongoing

… Scope of Work:
Performed full-cycle API and backend testing to ensure correctness, stability, and reliability of data-driven services that power internal automated workflows.

Responsibilities & Achievements:

Analyzed API architecture, endpoint dependencies, and integration logic

Created and maintained structured Postman Collections grouped by functional modules

Implemented JavaScript assertions in Postman for validation of:

Response structure & payload content

Status codes and error handling logic

Business transformation rules

Conducted MySQL-based backend validation to ensure data consistency across UI, API, and database layers

Performed regression testing of backend workflows before feature releases

Contributed to extending automated test coverage in backend (Java + JUnit)

Example API Test Assertion (Postman, JS):

pm.test("Status code is 200", () => pm.response.to.have.status(200));
pm.test("Response contains non-empty dataset", () => {
const json = pm.response.json();
pm.expect(json.data.length).to.be.above(0);
});

Tools & Tech Stack:
Postman, JavaScript (Assertions), MySQL Workbench, Git, Java, JUnit, Jira

Result:
Improved backend issue detection at early stages, increased API test coverage, and reduced regression defects affecting production data pipelines.
Platform for Data Organization (Accelario)

Testing & QA

Project: Accelario (Data Management Platform) Scope: Manual testing + backend testing; contributed to backend automation test coverage. Tools used: Jira, MySQL Workbench, Postman, Git, Java, JavaScript Deliverables: Test cases, SQL query validation, bug reports, API test collection, automation scripts (backend) Short description: Performed manual testing of data pipelines, UI data views, and configurations. Validated queries and data integrity across environments. Created and maintained backend automated tests.
Web Application Testing

Testing & QA

Project: EduBirdie (Online Learning Platform) Scope: Manual functional testing of user flows: registration, course selection, payments, dashboard, profile settings, and content upload. Tools used: Jira, Chrome DevTools Deliverables: Test cases, bug reports, test checklist Short description: Verified user journeys, UI/UX consistency, input validation, payment flow stability, and user permission roles. Identified issues in navigation logic and content rendering.