Костянтин

Kostiantyn Moshenskyi
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section)

Kharkiv, Ukraine [open contact info](look above in the "contact info" section)

t.me/kostiahabitak

PROFILE

Game Designer with 5+ years of experience designing systems, progression, economies, and live-service
gameplay for multiplayer games. Built SecondLife RP from concept to an operating product, creating
progression systems, virtual economy, player activities, monetization mechanics, seasonal content, and
retention features while collaborating closely with engineering and live operations teams.

EMPLOYMENT

SecondLife RP 04/2022 – Present
Lead Game Designer
Designed and continuously evolved core gameplay systems including
•

progression, economy, factions, businesses, government systems, jobs,
transport and player organizations.
Developed Game Design Documents, gameplay specifications, player flows,
•

balancing rules and implementation requirements for live-service features.
Designed monetization, virtual economy, VIP systems, seasonal progression
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and reward structures while balancing player satisfaction and business goals.
Delivered 36 major content updates and iterated gameplay using analytics,
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player behaviour, surveys and community feedback.
Designed cooperative gameplay, marketplace systems, persistent world
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activities and localized features, including real-time air-raid alerts integrated
into gameplay.
Led a multidisciplinary production team, collaborating daily with developers,
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artists, UI/UX designers and QA while mentoring game designers and
maintaining design consistency.
Coordinated branded game integrations with HyperX, Hator, VBET, NonStop
•

and BetKing, ensuring they aligned with gameplay, economy and player
experience.

NDA in GameDev 06/2021 – 02/2022
Game Designer
Designed gameplay mechanics, progression systems, game rules and player
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interactions for an original Unity PC platformer.
Produced GDDs, feature specifications, gameplay flows, balance values and
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implementation documentation.
Collaborated daily with Unity developers, UI/UX designers and artists to
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translate concepts into production-ready features.
Conducted playtesting, identified gameplay issues and iterated mechanics
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based on player feedback and internal reviews.
Participated in feature planning, balancing and production discussions from
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concept through implementation.
Small Development Company 12/2020 – 06/2021
Product Development Engineer
•Developed backend systems supporting multiplayer gameplay using C#,
JavaScript and SQL.
•Worked with gameplay and server logic, databases and multiplayer mechanics,
building a strong technical foundation for future game design work.
•Collaborated with senior engineers to implement gameplay-related
functionality and understand technical constraints behind feature
development.

ACHIEVEMENTS

Designed and evolved gameplay systems for a live-service multiplayer product operating continuously
•

since 2022.
Planned and delivered 36 major feature releases covering progression, economy, factions, jobs, and
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events.
Improved player engagement, contributing to 180–200 average CCU, 500+ weekly active players, and
•

3–6 hour average sessions.
Managed the complete feature lifecycle from concept and balancing through release and post-launch
•

iteration.

SKILLS

Game Design Product Design
Systems Design • Core Gameplay • Game Feature Design • GDD • Player Flows • UX for
Economy • Progression • LiveOps • Balancing Games • Content Design

Analytics Tools
Player Behaviour Analysis • Retention • Economy Jira • Notion • Trello • Figma
Balancing • Feedback Analysis

EDUCATION LANGUAGES

Master's Degree, Computer Science Ukrainian
Kharkiv National University of Radio Electronics, C2
Kharkiv
2020 – 2026 | Kharkiv, Ukraine English
B2