Дені

Deni Korobko
QA Manual Engineer
E-Mail | LinkedIn | Telegram
Kriviy Rih ,Ukraine | [open contact info](look above in the "contact info" section)

QA Engineer with commercial experience in AAA and Mobile Game Development. Experienced in
manual testing, test documentation, functional, smoke, and regression testing, and full bug lifecycle
management. Proven ability to collaborate within cross-functional Agile teams, with hands-on experience
using Unreal Engine, Unity, Jenkins, and industry-standard QA tools.

Work Experience

Middle Mobile QA Engineer / General QA Engineer Mar 2026 - Present
Raccoons Games | Remote

Niches: GameDev

● Manual testing of 20 mobile games on iOS and Android using functional, regression, smoke, and
exploratory testing.
● Testing gameplay, game mechanics, and systems, including card mechanics, idol systems, Battle
Pass, events, and player progression in games with 10 million downloads.
● Testing in-app features, monetization, rewarded ads, in-game rewards, and user flow.
● Preparing test documentation, including test cases, checklists, and bug reports; analyzing
requirements for new features using AI and manually.
● Finding, localizing, and maintaining defects at all stages of the Bug Lifecycle; participating in
release testing.
● Analyzed game logs and collected debugging information

Junior QA Engineer Apr 2025 - Mar 2026
Gunzilla Games | Remote/Kyiv

Niches: GameDev

● Preparing test documentation: test cases, smoke scenarios, and regression checklists.
● Conducting manual testing of game features, mechanics, and user scenarios, including the Battle Pass and
user verification system.
● Testing payment systems, in-game purchases, and related user flows.
● Bug detection and maintenance, PSO/Trace recording, and developer interaction.
● Testing game components in the Unreal Engine Editor, including map debugging, character animations, and
gameplay movements.

Core Skills

Manual Testing, Functional Testing, Regression Testing, Smoke Testing, Exploratory Testing, Test Cases,
Checklists, Bug Reporting, Defect Management, Test Documentation, In-App Testing, Battle Pass Testing, Reward
Systems Testing, Monetization Testing, Rewarded Ads Testing, LiveOps Testing, Unity, Unreal Engine, Jenkins
Education

Dnipro National University Sep 2020 - Dec 2025
Master’s Degree International Relations

Languages

Ukrainian (Native), Russian (C1), English (B2)