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Daniil Demchenko

@daniildemchenko

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I test web applications and APIs through rigorous manual testing, SQL data-quality checks, and clear defect reporting.

Finland

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What I'm looking for

I'm looking for a junior QA position where I can test web applications and APIs, remotely or on-site anywhere in Finland. I'm ready to relocate and have an unrestricted right to work in Finland.

I built and documented three public QA projects covering Steam store search UI testing, Steam Web API testing in Postman, and SQL data-quality testing for a modelled store database.

For Steam search, I created a test plan, 25-item checklist, 14 test cases, and four defect reports. I used DevTools to identify an HTTP 200 response containing an error page, exposing a failure that status-code-only monitoring could miss.

I wrote six Postman requests with 26 assertions based on invariants rather than changing data, and created 12 SQL integrity-defect detectors with explicit NULL handling. I manage defects in Jira and delivered report corrections through a GitHub branch and pull request.

I don't mark unclear behavior as passed: when expected behavior is undefined, I flag the missing oracle rather than invent one. My systems analysis background also informs my approach to functional and negative testing.

Experience

Work history, roles, and key accomplishments

Warranty Trainee

Audi Centre Kyiv, LLC

Oct 2025 - Nov 2025 (1 month)

Intake of customer-reported faults, diagnosis support and documentation of warranty cases. A permanent position was offered; the traineeship ended when I left the country because of the war.