Mehmet Ozgen Simsek

Lead Unity Developer | XR & Mobile Game Specialist

Istanbul, TR.

About

Unity Game Developer with 6+ years of experience building and optimizing gameplay systems in fast-paced, creative environments. Proficient in C#, with hands-on work across mobile, XR, and multiple platforms, from rapid prototyping to polished releases.

Worked full-time at Rollic, contributing to a title that surpassed 50M+ installs. A lifelong gaming enthusiast focused on player-centric design, user behavior analysis, and staying current with industry trends. Collaborative team member who supports and motivates others throughout development.

Work

Rollic Games

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Game Developer

Hybrid, İstanbul, Turkey

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Fulltime

Summary

Fulltime

Highlights

Contributed to the development of high-impact hyper-casual and hybrid-casual mobile games at Rollic, including Color Block Jam, which surpassed 50 million downloads worldwide.

Served on the Creative team, producing playable ads using Luna Unity Playworks and crafting promotional video content through Unity Recorder to drive user acquisition and maximize ad performance.

Collaborated on Bus Jam, delivering engaging hybrid-casual gameplay experiences.

88 Miles XR

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Lead Unity Developer

Remote, , Netherlands

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Summary

Led the full development lifecycle of online Android VR and mobile projects, overseeing a developer team and collaborating with cross-functional artists and animators to deliver immersive XR experiences.

Highlights

Spearheaded the development of multiple online Android VR and mobile projects, utilizing Photon for robust multiplayer functionality and achieving seamless user experiences.

Directed a team of developers, providing technical leadership and mentorship to ensure high-quality code, efficient workflows, and timely project delivery.

Managed project scope, timelines, and resources, successfully coordinating with artists and animators to integrate assets and optimize performance across diverse platforms.

Implemented advanced game mechanics and system architectures for complex XR applications, enhancing user engagement and technical stability.

Alterlearning

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Unity Developer

Remote, , US

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Summary

Developed engaging online educational puzzle games for Android VR, leveraging Colyseus for real-time multiplayer functionality within a remote development environment.

Highlights

Designed and developed online educational puzzle games for Android VR, integrating Colyseus to enable real-time multiplayer interactions and collaborative learning experiences.

Optimized game performance and user interface for VR environments, ensuring intuitive controls and a smooth, immersive educational experience for users.

Contributed to the full development pipeline, from concept and prototyping to implementation and testing, adhering to project deadlines and technical specifications.

Collaborated effectively with remote teams to integrate game features and ensure compatibility across various Android VR devices.

Archeist

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Jr. Unity Developer

Startup, , Türkiye

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Summary

Developed innovative XR healthcare applications and online games, collaborating with senior developers and designers to build robust interactive experiences using Unity and Photon.

Highlights

Contributed to the development of XR healthcare applications, implementing core functionalities and interactive elements to create therapeutic and engaging user experiences.

Developed online games utilizing Photon, gaining foundational experience in multiplayer networking and real-time synchronization.

Collaborated closely with a Senior Unity Developer and interior designers to translate design concepts into functional and visually appealing interactive environments.

Assisted in debugging, optimization, and feature implementation for various Unity projects, enhancing overall game stability and performance.

Education

Istanbul Medeniyet University

Istanbul, Istanbul, Türkiye
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Undergraduate Program Communication and Design

Istanbul Beykent University

Istanbul, Istanbul, Türkiye
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Undergraduate Program Game Development

Universite Cote d'Azure

Nice, Provence-Alpes-Côte d'Azur, France
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Undergraduate Philosophy

Skills

Platforms & Backend

Windows, Mac, Linux, Firebase.

Game Development Engines

Unity 3D, Unity 2D, URP (Universal Render Pipeline), HDRP (High Definition Render Pipeline).

Programming Languages & Tools

C#, Visual Studio Community, Visual Studio Code, ActionScript.

Multiplayer & Networking

Photon, Unity Netcode, Colyseus, Implementing Multiplayer.

XR Development

Android VR, Mobile AR (iOS & Android), PC VR, XR Healthcare Applications.

Version Control & Collaboration

Git, PlasticSCM.

Game Design & Optimization

Creative Development of Game Design Mechanics, Performance Optimization for Mobile Platforms, Effective Usage of Design Patterns, Debugging, A/B Testing, Monetization Strategies, Unity Analytics.

Graphics & Asset Management

Blender, Adobe Premiere Pro (Pr), Adobe After Effects (Ae), Adobe Illustrator (Ai), Adobe Photoshop (Ps), Adobe InDesign (Id).

Project Management

Team Leadership, Cross-functional Collaboration, Project Coordination.

Projects

Color Block Jam

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Summary

Downloaded more than 50+ million users.

Bus Jam

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Summary

Contributed to the development of this hybrid casual puzzle game.

3D Tower Defense with Card Mechanics

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Summary

Developed a 3D Tower Defense game incorporating unique card mechanics for a game jam.

2D Story-driven Hypercasual Game

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Summary

Created a 2D story-driven hypercasual game, enhancing the genre with unique mechanics and monetization strategies.

3D WebGL / Mobile Game

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Summary

Developed a 3D game for both WebGL and mobile platforms, ensuring cross-platform compatibility and optimized performance.

Online (Photon) Standalone Android VR Metaverse Project

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Summary

Developed an online standalone Android VR Metaverse project, collaborating with artists, architects, and a Senior Unity Developer.

Standalone VR Game for Upper Limb Deficient Individuals

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Summary

Developed a standalone VR game specifically designed for individuals lacking upper limbs, focusing on accessibility and innovative input methods.

Mobile AR Storybook for iOS and Android

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Summary

Developed a mobile Augmented Reality (AR) storybook application for both iOS and Android platforms.

PC VR Horror Game for Steam

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Summary

Developed a PC VR horror game intended for release on Steam, focusing on immersive atmospheric design and VR-specific mechanics.

3D Story-driven Soulslike ARPG Demo

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Summary

Solo developed an online 3D story-driven Soulslike ARPG demo, focusing on player choices and narrative impact.