๐ ๐๐จ๐ฉ ๐๐๐ญ๐๐ ๐๐๐ฆ๐ ๐๐ง๐ ๐ข๐ง๐ & ๐๐๐ง๐๐๐ซ๐ข๐ง๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ & Game Developer
As a ๐๐จ๐ฉ ๐๐๐ญ๐๐ Upwork freelancer, I help teams build high-performance, scalable game engines and rendering systems, from extending existing engine technology to developing custom engine systems from the ground up.
I specialize in graphics programming, core engine architecture, and performance-critical game technology. My work focuses on building clean, scalable, and maintainable systems that support real production needs, not just short-term prototypes.
๐๐จ๐ซ๐ ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐:
โ ๐๐ฎ๐บ๐ฒ ๐๐ป๐ด๐ถ๐ป๐ฒ ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐๐ฟ๐ฒ
Custom engine systems, modular architecture, ECS-based workflows, runtime systems, and long-term maintainability.
โ ๐๐ฟ๐ฎ๐ฝ๐ต๐ถ๐ฐ๐ & ๐ฅ๐ฒ๐ป๐ฑ๐ฒ๐ฟ๐ถ๐ป๐ด
Rendering pipelines, GPU-oriented workflows, low-level rendering systems, and modern graphics API integration.
โ ๐๐ผ๐-๐๐ฒ๐๐ฒ๐น ๐ฃ๐ฟ๐ผ๐ด๐ฟ๐ฎ๐บ๐บ๐ถ๐ป๐ด
C, C++, and C# development for performance-sensitive systems, tools, and engine-level features.
โ ๐๐ฟ๐ฎ๐ฝ๐ต๐ถ๐ฐ๐ ๐๐ฃ๐๐
DirectX 11, DirectX 12, Vulkan, and OpenGL.
โ ๐๐ป๐ด๐ถ๐ป๐ฒ ๐ฆ๐๐๐๐ฒ๐บ๐
Physics and audio integration, resource and asset management, GPU-focused workflows, and production-ready technical foundations.
โ ๐จ๐ป๐ถ๐๐ & ๐จ๐ป๐ฟ๐ฒ๐ฎ๐น ๐๐ป๐ด๐ถ๐ป๐ฒ
Senior-level experience with Unity and intermediate experience with Unreal Engine, giving me practical insight into different engine architectures and real-world production workflows.
โ ๐ง๐ผ๐ผ๐น๐ถ๐ป๐ด & ๐ช๐ผ๐ฟ๐ธ๐ณ๐น๐ผ๐๐
Engine tooling, editor frameworks, ImGui-style tools, Git/GitHub collaboration, and CMake-based build systems.
๐๐ก๐๐ญ ๐ ๐๐ซ๐ข๐ง๐ ๐ญ๐จ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ:
I bridge low-level engine development with practical production requirements. Whether you need to optimize an existing rendering system, extend your engine architecture, build internal tools, or develop core technology for a custom engine, I focus on solutions that are fast, reliable, and maintainable.
My priority is not just making systems work. It is making them robust enough to scale with the project.
If you are looking for a Top Rated developer who can work close to the engine layer, understand performance constraints, and build clean technical foundations for your game or rendering project, letโs discuss your requirements.
Game Development
C++
C#
Game
Unity
Unreal Engine
C
OpenGL Shading Language
C++/CLI
OpenGL
Graphics Programming
DirectX
Sensei K.
Istanbul, Turkey
$15/hr
4.8
82 jobs
Iโm a Unity Game Developer who helps clients ship solid mobile and PC gamesโfrom prototype to production. I build clean, scalable gameplay systems in C# and Iโm comfortable with both synchronous & asynchronous programming (UniTask/Task, async/await), plus event-driven architecture (events, Actions, delegates) to keep projects maintainable.
On the backend/product side, I integrate Firebase end-to-end: Authentication, Realtime Database / Firestore, Storage, analytics/events, cloud data flows, and user/session systems. I also implement Unity Localization properly (keys, tables, runtime updates, dynamic text, UI consistency), so multi-language support doesnโt turn into a mess later.
I can support the full release pipeline: performance optimization, UI systems, debugging tricky runtime/editor issues, and publishing to App Store / Google Play (build settings, signing, Xcode/Gradle problems, IAP/Subscriptions, AdMob if needed).
What you can expect from me:
Clear communication + realistic delivery
Production-ready code (readable, testable, easy to extend)
Strong debugging skills for โhardโ Unity problems
A developer who focuses on finishing and shipping, not just โmaking it workโ
If you want a reliable Unity dev for new features, Firebase integration, localization, or build/publishing fixes, message me with your goal and current project status.
Game Development
Gaming
Mobile Game
C#
Game Design
Game Design Document
Game
Game Testing
Unity
Video Game
PC Game
Simulation Game
In-Game Advertising
Game Development Bug Fix
Game Prototype
Ouzhan Alperen B.
Izmir, Turkey
$20/hr
5.0
9 jobs
Experienced game developer and programmer with multiple projects and years of experience in my bag.
I can make full games or prototypes, create game designs, create tooling for development, make desktop app, create scripts that fits your needs.
Studying Film Making and Scenario Writing at a University, and working as a scriptwriter in a YouTube channel before, I can do scriptwriting, editing and video production.
I can create detailed scripts for your YouTube videos.
Game Development
Game Design
Game Design Document
Game Testing
Desktop Application
Software Development
Software Localization
Turkish
English
Turkish to English Translation
English to Turkish Translation
2D Art
Game Prototype
Video Game Review
Scriptwriting
YouTube Video
YouTube Shorts
Video Production
Video Editing
Storytelling
Kaya Y.
Adana, Turkey
$10/hr
5.0
1 jobs
I manage both the visual and architectural processes of a project from end to end. I specialize in
building secure, scalable backends using Firebase or ASP.NET Core and TypeScript / Dart, integrating them with
dynamic, high-performance front-ends powered by Flutter, React, React Native, and Vanilla JS.
I actively utilize Three.js, WebGL and CSS animations.
Furthermore, I have expanded my technical stack to include Keras allowing me to integrate deep
learning models and AI-driven features into my projects. I'm interested in also MoveNet and MediaPipe.
In addition, Iโm involved in amateur theatre as an actor and assistant director and have a strong interest in art, writing theatre and film scripts.
Transitioning from a strong interest in game development (Unity, C#), I have evolved into a Full-
Stack/AI Developer.
Mobile Game
C#
Mobile App Development
Unity
Flutter
Firebase
ASP.NET Core
React Native
Machine Learning
Front-End Development
React
Three.js
TypeScript
JavaScript
Animation
Cinematography
Theatre
C
Batuhan O.
Ankara, Turkey
$15/hr
5.0
3 jobs
I am a Game Developer dedicated to building robust, scalable, and high-performance gameplay systems. My approach to development is rooted in a strong analytical foundationโI donโt just write code; I design the underlying structures that make games feel seamless and responsive.
I thrive on solving technical puzzles and optimizing workflows to ensure that the bridge between a creative concept and a functional mechanic is as solid as possible.
What I do best:
Technical Gameplay: Designing modular C# systems and core mechanics in Unity.
Architecture & Logic: Building maintainable codebases that support complex game states.
Performance Optimization: Debugging and refining systems for smooth player experiences.
Game Development
Game Design
Game Design Document
Game
Game Testing
Unity
Video Game
Game Development Bug Fix
Game Mechanics
Product Development
Recep S.
Istanbul, Turkey
$15/hr
5.0
8 jobs
I am a highly versatile Unity Generalist specializing in core gameplay programming, game systems development, and performance optimization. With hands-on experience across multiple game genres and platforms, I focus on creating responsive, scalable, and polished gameplay experiences for both indie and commercial projects.
I have extensive experience developing games for PC, Console, and Mobile platforms (Android/iOS), with strong expertise in gameplay mechanics, system architecture, optimization workflows, bug fixing, UI implementation, and overall game polish. I excel at improving gameplay feel, responsiveness, and runtime performance to deliver stable and engaging player experiences.
In addition to Unity, I also have working knowledge of Shaders, Godot, and Unreal Engine, along with experience working with custom engines and proprietary frameworks. My adaptability allows me to quickly integrate into different pipelines, workflows, and development environments.
Whether working on prototypes, live projects, gameplay systems, optimization, or polishing production-ready builds, I am committed to delivering efficient, high-quality solutions with strong attention to performance and player experience.
Game Development
C#
Game Design
Game
Unity
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