Arsen

Arsen Gnatkivskyi
Senior Unity Developer / Technical Lead
Location: Poland
Phone: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)

Senior Unity Developer / Technical Lead with 14 years of experience building complex game systems,
including large-scale multiplayer projects. Strong background in client-side and server-side development,
gameplay architecture, performance optimization, internal tooling, code quality, and leading engineering teams.

Skills
Core: Unity, C#, .NET, ASP.NET Core, gameplay programming, multiplayer development, client-server
architecture

Unity: Addressables, UI Toolkit, Unity UI, URP, Shaders, WebGL, mobile development, profiling, editor tools

Architecture: SOLID, design patterns, dependency injection, ECS / Entitas, asynchronous programming,
multithreading, Jobs, Burst

Networking & Backend: server-side game logic, server-authoritative systems, WebSockets, REST API
integration, backend integration

DevOps & Tools: Git, GitLab CI/CD, GitLab Runner, Linux/VPS deployment, Docker, Nginx, automated builds

Leadership: technical leadership, code review, mentoring, task estimation, interviews, development workflow
improvements

Employment
February 2025 – Present
Company: Bishop Interactive
Project: Brutal Knights
Position: Lead Unity Developer

Key Responsibilities
 Led the project’s development while actively contributing as a hands-on developer.
 Designed and maintained the project architecture.
 Established development workflows and engineering practices for the team.
 Created and improved internal tools for debugging, optimization, and code quality standards.
 Conducted code reviews and ensured code quality across the project.
 Assigned tasks to developers and monitored their progress and delivery.
Key Achievements
 Refactored a fully client-side game by extracting the core game logic and moving it to the backend.
 Carried out the migration gradually, ensuring the game remained fully functional at every stage.
 Designed a flexible architecture that allowed the team to quickly adjust gameplay and implement game
design changes.
 Introduced development practices that made the project easier and more efficient for other developers
to work on.

October 2022 – January 2025
Company: Hologryph
Project: Sand | trailer
Position: Lead Unity Developer
 Developed client and server features using Unity, C#, ECS / Entitas, UniTask, Jobs, Burst, and
multithreading.
 Designed and implemented internal utilities and development tools.
 Fixed complex bugs and optimized performance-critical systems.
 Conducted code reviews and technical interviews.

June 2016 – October 2022
Company: Artificial Core
Project: Corepunk | trailer
Position: Lead Unity Developer
 Worked on client-side and server-side systems for a large-scale MMORPG built with Unity and C#.
 Designed gameplay architecture and internal tools that improved the development workflow for the
programming team.
 Optimized performance-critical gameplay and client-side systems.
 Built tools that improved development efficiency and supported day-to-day production workflows.
 Led a team of programmers and coordinated their development tasks.
 Conducted code reviews and technical interviews.

May 2015 – June 2016
Company: iLogos Europe
Position: Lead Unity Developer
 Developed Unity games using C#.
 Designed game architecture and core gameplay systems.
 Built internal tools to improve the development process.
 Led a team of programmers and technical artists.
 Conducted code reviews and maintained code quality.
 Created technical documentation for game projects.

February 2015 – May 2015
Company: iLogos Europe
Position: Senior Unity Developer
 Developed Unity games using C#.
 Contributed to application architecture design.

August 2014 – February 2015
Company: Nika Entertainment
Position: Senior Unity Developer
 Developed a Unity game using C#.
 Supervised junior developers and reviewed their code.

Earlier Experience
GDTeam / Hamster Warrior Studio — Client-side Programmer / Team Lead
2008 – 2014
Developed Flash and early Unity games, managed small development teams, created gameplay systems,
tools, prototypes, and game art.

Education
Ternopil State 'Ivan Pul'uj' Technical University, Ternopil, UA
Computer-Integrated Technological Processes and Productions (Master's degree)

Additional Information
Languages:
Ukrainian – Native
English – Upper-intermediate / B2
Russian – Fluent
Polish – Intermediate / B1
Spanish – Basic