I'm Yuriy Kobylyatskiy, a Senior/Lead Unity Developer with 15+ years in game development and 18+ years in software development. I specialize in building and supporting mobile and desktop games for iOS, Android, and Steam, with a strong focus on gameplay systems, LiveOps, content delivery, SDK integrations, and performance optimization. Beyond coding, I've led engineering teams, crafted architecture, improved development processes, hired and mentored talent, and conducted technical audits across multiple projects. I enjoy turning complex problems into reliable, scalable solutions and mentoring others along the way.

Yuriy Kobylyatskiy

I'm Yuriy Kobylyatskiy, a Senior/Lead Unity Developer with 15+ years in game development and 18+ years in software development. I specialize in building and supporting mobile and desktop games for iOS, Android, and Steam, with a strong focus on gameplay systems, LiveOps, content delivery, SDK integrations, and performance optimization. Beyond coding, I've led engineering teams, crafted architecture, improved development processes, hired and mentored talent, and conducted technical audits across multiple projects. I enjoy turning complex problems into reliable, scalable solutions and mentoring others along the way.

Available to hire

I’m Yuriy Kobylyatskiy, a Senior/Lead Unity Developer with 15+ years in game development and 18+ years in software development. I specialize in building and supporting mobile and desktop games for iOS, Android, and Steam, with a strong focus on gameplay systems, LiveOps, content delivery, SDK integrations, and performance optimization.

Beyond coding, I’ve led engineering teams, crafted architecture, improved development processes, hired and mentored talent, and conducted technical audits across multiple projects. I enjoy turning complex problems into reliable, scalable solutions and mentoring others along the way.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
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Language

Russian
Fluent
Ukrainian
Fluent
English
Beginner

Work Experience

C#/ .NET Developer at Freelance
November 1, 2025 - December 1, 2025
Develop cryptographic application (.NET, Windows) for encryption/decryption of text files using client-specified algorithms; private order.
Unity Developer at Bear Games
February 1, 2025 - Present
Developing the platformer Comix Zero for Unity (Windows, Steam); implemented enemy AI behavior using Behavior Designer with custom BT nodes; built kinematic physics and raycast-based ground, platform and obstacle detection; created combat system with animation-sync, raycasts, damage and knockback calculations, and hit zone setup; built gameplay subsystems including character abilities, inventory, scenes, save zones, defeat zones, and UI; integrated SFX/VFX and editor tools; configured Steamworks for builds.
Lead Unity Developer at Readable Games (ILARK LTD)
August 1, 2023 - January 1, 2025
Led Unity development team for mobile visual novel platform (iOS/Android). Implemented Live Ops, integrated PlayFab, Firebase, RevenueCat, AppsFlyer and Amplitude; built remote content delivery pipeline; automated content testing; memory and build size optimization; designed CDN automation workflows.
Unity Developer (Lead) at Readable Games (ILARK LTD)
August 1, 2023 - January 31, 2025
Led Unity-based visual novels using Naninovel, targeting iOS and Android; implemented gameplay progression with PlayFab; integrated Firebase, Amplitude, AppsFlyer, RevenueCat, and CDN; optimized RAM usage and build sizes; automated CDN cleanup with Bash, Rclone, Cron; redesigned UI; added automated visual novel testing and Dev/Release builds for mobile; maintained documentation.
Unity Developer at Bini Beehive
March 1, 2023 - August 1, 2023
Gameplay development; UI implementation; memory optimizations; contributed to monetization and analytics integration.
Unity Developer at BiniBambini
March 1, 2023 - August 31, 2023
Designed and developed mobile Unity games from scratch; implemented gameplay mechanics, UI, animations, graphics, and sound; created custom editors and utilities; integrated advertising and analytics SDKs; upgraded projects to newer Unity versions; deployed to iOS and Android.
Unity Developer at Playgendary
July 1, 2022 - February 28, 2023
Developed Unity mobile games; bug fixes; implemented new gameplay mechanics; integrated UI, animations, and graphical effects; optimized RAM usage, build size, and framerate; created custom editors and utilities; integrated advertising and analytics SDKs; upgraded Unity versions.
Unity Developer at Nexters
February 1, 2022 - June 30, 2022
Developed a Unity mobile game; performed bug fixes, designed and implemented new features; maintained technical documentation.
C++ Developer at BearGames (URS А LLC)
August 1, 2021 - February 28, 2022
Developed games using C++17 on the proprietary engine by Playrix for mobile platforms (iOS, Android); maintained technical documentation.
Lead Game Developer at Bear Games
December 1, 2013 - July 1, 2021
Led technical department; architecture and engineering processes; built CI/CD; organized development workflows; participated in hiring and project audits; managed teams up to 150 specialists.
CTO at BearGames (URS А LLC)
December 1, 2013 - July 31, 2021
Designed project architectures, estimated timelines, and performed linear programming and game support; led a team of developers; supervised architecture design, development, testing, and publishing; ensured data security and fault tolerance; managed high-load game servers; recruited and trained staff; organized audits of third-party projects; maintained project documentation.
Lead Game Developer at Crystal Clear Soft
September 1, 2011 - December 1, 2013
Led game development; architecture design; developed client and server systems; contributed to gameplay tooling and optimization.
Game Developer (Lead) at Crystal Clear Soft
September 1, 2011 - December 31, 2013
Designed project architectures, estimated timelines, and performed linear programming and game support; led a team; server-side and client-side components using AS3, C#, JSON, XML, PHP, SQL, HTML, JavaScript; designed relational databases (MySQL); supervised development and publishing.
Web Developer at Freelancer
October 1, 2007 - April 30, 2008
Collaborated on development of a social network portal including user profiles, search, messaging with file transfer, multimedia upload/conversion, playback; created a network of partner websites connected to a central MySQL database and file server via FTP; developed administrative modules for content management.
Lead Full Stack Web Developer at WonderKid Studio
April 1, 2007 - September 1, 2011
Full-stack web development; database design; team leadership; hosting and deployment.
Web Developer (Lead) at WonderKiD Studio
April 1, 2007 - September 30, 2011
Independently and collaboratively developed websites and web portals for American and local clients using third-party CMS and custom CMS; designed databases; server-side and client-side functionality with PHP, SQL, HTML, JavaScript, ActionScript 3.0; SEO optimization; hosting; recruited and trained staff; managed tasks and QA.

Education

Programmer at Computer Academy Step
January 1, 2004 - December 31, 2007
Software Development at STEP Computer Academy
January 11, 2030 - January 1, 2007

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
Beginner
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