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Portfolio

Test Cases

Functional, end-to-end, and API test cases written and executed across desktop apps, web apps, and REST APIs.

FakeStoreAPI — E-Commerce REST API Testing

2026-03-15

API TestingPostmanREST APICRUDIntegration Testing

Verify the functionality, reliability, and correctness of the FakeStoreAPI REST endpoints. Testing covers the complete CRUD lifecycle (Create, Read, Update, Delete) across Products, Carts, Users, and Authentication resources using Postman.

Spotify Desktop — User Login

2026-03-01

Functional TestingDesktop AppLogin FlowSpotify

Verify that a registered user can successfully log in to the Spotify Desktop application using valid email and password credentials, and that they are correctly redirected to their personalised home screen upon successful authentication.

Zalando — Product Search & Filtering

2026-03-01

Functional TestingWeb AppSearch & FilterZalando

Verify that a user can successfully search for a product on Zalando using a search term, apply multiple filters (size, price range, and brand), and receive accurate results that reflect all applied filters.

jan-marschitz.com — Full Website E2E Testing

2026-03-01

End-to-End TestingWeb AppFunctional TestingUI Testingjan-marschitz.com

Verify that jan-marschitz.com functions correctly end-to-end across all pages, interactive elements, language switching, and responsive breakpoints.

Bug Reports

Defects identified during testing — documented with reproduction steps, expected vs actual results, root cause analysis, and severity assessment.

FakeStoreAPI — Invalid Product ID Bug Report

2026-03-15

Bug ReportAPI TestingREST APIFakeStoreAPIError Handling

Bug report documenting that the FakeStoreAPI returns an incorrect status code when requesting a non-existent product ID instead of a proper 404 response.

Design Work

Art