Олег

Korolchuk Oleh
Game Designer | Slot Games Specialist
Location: Kriviy Rih, Dnipro region, Ukraine
E-mail: [open contact info](look above in the "contact info" section)
Phone: [open contact info](look above in the "contact info" section)
Linkedin: Oleh Korolchuk
Portfolio: https://slotopia.games/games/
https://stake.com/ru/casino/games/skygaming-bonk-boi
https://slotcatalog.com/en/slots/mirage-city

Summery:
Game Designer with 2 years of experience in the iGaming industry, specializing in slot game
development.

 Experience in:
- designing core mechanics
- writing clear and structured game design documentation (GDD)
- managing cross-functional collaboration with artists, animators, sound designers, and
developers
- reviewing and adjusting slot math
- approving art and animations
- creating rules and localization
- preparing Product Sheets for release.

 Extensive work experience in: Photoshop, Movavi video editor, Figma, Jira, and
various industry research platforms (SlotCatalog, SlotGuru, YouTube channels, other).
Work Experience

Gambling_Media_Group half a year (2025 – 2025)
Game Designer
 Designed and delivered slots games across various themes and mechanics.
 Created detailed Game Design Documents (GDDs), including math briefs, feature
logic, art and animation specs.
 Conducted feature presentations for math and dev teams to ensure alignment and
feasibility.
 Actively participated in reviewing and fine-tuning slot math based on internal
playtests.
 Ordered, reviewed, and approved art assets, animations, sound effects, and music.
 Wrote in-game help texts and coordinated localization efforts with external
translators.
 Managed product packaging: game description and Product Sheet preparation for
publishing.

Evoplay 2 years (2023 – 2025)
Game Designer
 Designed and delivered 60+ slot games across various themes and mechanics.
 Created detailed Game Design Documents (GDDs), including math briefs, feature
logic, art and animation specs.
 Conducted feature presentations for math and dev teams to ensure alignment and
feasibility.
 Actively participated in reviewing and fine-tuning slot math based on internal
playtests.
 Ordered, reviewed, and approved art assets, animations, sound effects, and music.
 Wrote in-game help texts and coordinated localization efforts with external
translators.
 Managed product packaging: game description and Product Sheet preparation for
publishing.
  Utilized Figma, Photoshop, and Jira for production workflow, and relied on
competitive research (SlotCatalog, casino sites, YouTube) for idea generation and
benchmarking.

Plure Games 1 year (2022-2023)
QA Engineer
 Worked on game project
 Сhecking, editing, and writing test cases
 Writing, checking, filing, and editing bug-reports
 UI/UX, Front and back-end functional testing
 Regular smoke, sanitary, regression testing to ensure stability of the build
 Work on sprint, stage, and prod environment
 Work with ios, android, mac, windows, PWA, and app
 Including work with tools: Chrome DEV tools, Inspect with CDT, Proxyman, IOS
Simulator, TestFlight, DBeaver, Wondershare Dr.Fone, Fake GPS Location, Miro,
Figma, BigQuery, BrowzerStack, Confluence

QATestLab 5 months (2022-2022)
QA Engineer
 Worked on projects such as: Banking application, news site and news application, a
couple games and bookmaker application for android
 Сhecking, editing, writing test cases in Test Rail
 Checking, filing and editing bugs in Jira
 Regular sanitary and regression testing to ensure stability of the build
 Including work with tools: Putty, Charles, Android studio and Chrome DEV tools

TestMatick 8 month (2021-2022)
QA Engineer
 Work on bank project
 Сhecking, editing, writing test cases in Test Rail
 Checking, filing and editing bugs in Jira
 Regular sanitary and regression testing to ensure stability of the build
  Including work with tools: DQL, XML and Chrome DEV tools

Education:
 2005-2010 National Metallurgical Academy
 Specialty “Enterprise economy” (specialist, bachelor)
Additional education:
 2020 SkillUp - Quality Assurance
 practice in HTTP, CSS, HTML, Postman, SQL
 work with Jira and Mantis
 search and compilation of bug reports of sites and mobile applications
 compilation and writing of documentation (test cases, check lists)
Languages:
 Ukrainian (Native), Russian (Native), English (Intermediate)
Hobbies:
 I love computer and mobile games and everything related to gaming. Now I am
actively developing in game design and I want to develop in this direction further.