Олександр

Oleksandr Zhytariuk​

Unity 3D Game Developer

I excel in both independent and collaborative game planning and
development, leveraging my expertise within diverse team environments. My
profound comprehension of game engine principles ensures a solid foundation
for project execution. With a proven track record in problem-solving, I am adept
at navigating challenges effectively. I possess the versatility to create games
across multiple platforms and boast proficiency in various programming
languages.

TESTIMONIALS BIRTH DATE:​
“Oleksandr has been with us since the beginning of the project... I 13/01/1995
would definitely recommend Oleksandr as a Unity developer for your
project” – Gijs Tempel, General Manager @ CareUp EDUCATION:
Yuriy Fedkovych Chernivtsi
"Oleksandr was our Unity developer responsible for a challenging VR National University, 2012 - 2014.
project that involved navigating and refactoring a large amount of
legacy code... Oleksandr is a problem-solver with great technical LOCATION:
insight and a strong work ethic—someone you can trust to take
Ukraine, Chernivtsi.
ownership of difficult tasks and deliver results." – Ihor Anokhin, CTO @
Uni-Bit Studio Inc.
WORK MODEL:
Remote.
SKILLS SUMMARY ​
ENGLISH LEVEL:​
Proficient C2.
Programming languages: Methodologies:​ ​
C# – 10 years; Agile development; AVAILABILITY:
С/С++ – 2 years; Iterative development (rapid
Full-time, part-time,
Python – 2 years; prototyping, incremental
Misc: Lua, SQL, PHP.​ development); contract, temporary.
Behavior-driven Development;
Technologies / Tools: Code Review Process; CONTACTS:
Unity 3D – 10 years;​ Git workflows; [открыть контакты](см. выше в блоке «контактная информация»)
VS/VSCode – 10 years;​ Refactoring; [открыть контакты](см. выше в блоке «контактная информация»)
Git – 10 years; Cross-functional Collaboration.
Unity Profiling tools – 2 years;​ in/oleksandr-zhytariuk/
OpenXR Plugin – 2 years; ​
Steamworks SDK – 1 year;​ Others:​
Oculus Integration SDK – 1 year; Knowledge of Data Structures,
Networking (Photon/Mirror) – 1 year; Algorithms, Design and Architectural
Jobs system/Burst compiler – 1 year;​ Patterns, OOP/SOLID principles.​
And many more.
 EXPERIENCE

Uni-Bit Studio Inc. 🔗 April 2024 – August 2025

🔗
Official website: https://swordreverie.com/
Sword Reverie is a JRPG‑inspired VR action adventure released
on Steam and Meta Quest Store. Players assume the role of a
summoned Hero in a vibrant fantasy realm, wielding elemental
Project Description:
swords and body‑driven abilities to vanquish invading
elementals. With physics‑based combat, unlockable powers,
weapon crafting, and a companion NPC guiding you through
sprawling environments, Sword Reverie delivers an immersive
anime‑style VR experience across PCVR and Quest platforms.

➔​ Led a cross-functional Unity development team at Uni-Bit
Studio, collaborating closely with project managers, QA, VFX
artists, 3D artists, and animators to deliver high-quality VR
experiences.
➔​ Managed client communications and technical
decision-making, sharing responsibilities equally with the project
manager to ensure alignment with project goals and client
expectations.
➔​ Refactored and optimized a legacy codebase
accumulated over four years, addressing numerous bugs and
obsolete systems to enhance performance and maintainability.
➔​ Implemented a comprehensive localization system,
enabling UI, audio, and subtitles to support multiple languages
across various platforms.
➔​ Developed a dynamic enemy ability framework, allowing
for the integration of complex spellcasting behaviors and
enhancing gameplay depth.
Responsibilities:
➔​ Engineered a robust checkpoint system for saving and
loading player progress, improving user experience and game
reliability.
➔​ Implemented the main menu interface according to
provided UI designs, enhancing usability and ensuring
alignment with the game's aesthetic.
➔​ Created an interactive tutorial system to guide players
through abilities and mechanics, facilitating smoother
onboarding.
➔​ Conducted in-depth performance optimizations in
preparation for the Meta Quest Store release, improving 1% low
FPS from approximately 8 to 24 and achieving over 30 FPS for
90% of gameplay, meeting platform approval standards.
➔​ Collaborated on transitioning the game from single-player
to multiplayer, refactoring core systems to support networked
gameplay and laying the groundwork for future multiplayer
features.

Game engines (Unity3D: URP, Shader Graph, Unity Input System,
Unity Localization, AI Navigation, Scriptable Build Pipeline, Unity
Technologies & Tools:
Jobs System, Unity Playables API, Animator System, Inverse
Kinematics, Burst Compiler), Programming languages (C#,
 Python), Development tools (Visual Studio Code, Android Studio,
MQDH), Performance optimization tools (Unity Profiler, Memory
Profiler, Profiler Analyzer, Frame Debugger, RenderDoc, MQDH,
custom in-house tools), SDKs (MetaXR SDK, OpenXR, Steam SDK,
Photon Fusion 2), Audio tools (Wwise), Asset Store tools (Enviro,
Gaia, PlayMaker, PuppetMaster, Vegetation Studio, PlayFab,
SECTR and more), Collaboration and communication tools and
platforms (Git, Jira, Confluence, Trello, PeopleForce, Discord,
Google Drive), Cloud services (Azure for build automation).

SharpMinds 🔗 October 2016 - March 2024

🔗
Official website: https://careup.online/
The project is a virtual learning lab and training simulator for
healthcare professionals to acquire and evaluate skills for
performing medical procedures. The platform uses VR
technology to provide an immersive educational environment
Project Description:
where users can learn protocols and techniques through
interactive medical simulations (injections into different parts of
the body, installation of a urinary catheter, etc.). The training
simulations cover processes for nurses and other junior medical
staff (WebGL, Android, iOS, PC platforms).

➔​ In collaboration with the Project Manager, initiated and
led the development of a nursing simulator game from concept
to execution.
➔​ Designed and implemented the initial prototype of the
game, working closely with a project manager to understand
client requirements and translate them into technical
specifications.
➔​ Responsible for the technical architecture and
development of the game, leveraging Unity3D and C#
programming language.
➔​ Designed and implemented a comprehensive system to
simulate nursing scenarios, including patient interactions,
medical procedures, and adherence to medical protocols.
➔​ Developed a flexible and extensible framework for
Responsibilities:
creating and adjusting game scenes to accommodate various
nursing protocols and scenarios, ensuring scalability and
adaptability.
➔​ Developed and implemented game mechanics for two
distinct genres, including the initial first-person-controller and
subsequent transition to point-and-click.
➔​ Designed custom gameplay mechanics tailored to each
genre, ensuring intuitive and engaging user experiences for
nursing students and staff.
➔​ Iteratively refined gameplay mechanics based on user
feedback and testing, optimizing gameplay flow and accessibility.
➔​ Served as the lead game programmer throughout the
project's lifecycle, providing guidance and mentorship to junior
programmers as the team expanded.
 ➔​ Collaborated with 3D artists, testers, and other team
members to integrate visual assets, optimize performance, and
ensure overall quality of the game.
➔​ Proactively identified opportunities for improvement and
innovation within the game's design and development process,
implementing enhancements to gameplay mechanics, user
experience, and technical performance.
➔​ Stayed abreast of emerging technologies, trends, and best
practices in game development and healthcare simulation,
incorporating relevant advancements into the project to enhance
its educational value and impact.

Game engines (Unity), Programming languages (C#, Python,
PHP, SQL, HLSL), Development tools (Visual Studio, Xcode),
Performance optimization tools (Unity Profiler), SDKs(iOS /
Technologies & Tools: Android SDKs, Oculus SDK, SteamVR), Audio tools (FMOD),
Databases (MySQL), VR development (UnityXR Interaction Toolkit,
SteamVR, Oculus), Collaboration and communication tools and
platforms (Slack, Jira, Skype), Version control system (Git).

Playrix 🔗 November 2015 – February 2016

🔗
Official website: https://playrix.com/games/township
Township, developed by Playrix, is a captivating mobile game
that combines city-building and farming simulation. Players
Project Description: create and manage their dream town, from cultivating crops to
expanding their urban landscape. With vibrant graphics,
engaging mechanics, and regular updates, Township has
captivated millions worldwide for its addictive gameplay and
charming aesthetic.

➔​ Developed tools for the Quality Assurance (QA) team to
automate testing processes, enhancing efficiency and accuracy
in identifying and resolving bugs.
➔​ Designed and programmed in-game buildings and
structures, bringing them to life with interactive functionality
and enhancing the overall player experience.
Responsibilities:
➔​ Contributed to UI rework efforts by porting components
from the old design to the new one, ensuring consistency and
usability across the game interface.
➔​ Utilized a custom C++ game engine, mastering its
intricacies to implement various gameplay features and
optimizations

Game engines (Custom GameEngine by Playrix), Programming
Technologies & Tools: languages (C++), Development tools (Visual Studio), Collaboration
and communication tools and platforms, Version control system.