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I am a Unity Developer specializing in AR/VR and games for PC and mobile. I carry out end-to-end projects: from prototype and technology selection to optimization and implementation. I worked on demo apps, internal projects, and mini-games for US brands (Microsoft, NFL, Dodge) - not full-fledged games. In gaming projects I create, among others: character mechanics, FX and UI animations (DoTween). I like to propose and implement improvements, and in my free time I develop my own games, regularly refactoring the code and ensuring a clean division into classes/interfaces. The key for me is achieving the goal and high performance on target platforms. My portfolio: _Website not available. Sign in: https://www.twine.net/signup_ Technologies and experience: Unity3D/C#, C/C++ basic ,OOP/SOLID, Zenject, DoTween, Addressables/Asset Bundles, OpenXR, ARCore, Vuforia, WebGL, Steam integrations (Achievements/Cloud/Leaderboards), performance and resource optimization, production for iOS/Android/PC/Meta Quest.…I am a Unity Developer specializing in AR/VR and games for PC and mobile. I carry out end-to-end projects: from prototype and technology selection to optimization and implementation. I worked on demo apps, internal projects, and mini-games for US brands (Microsoft, NFL, Dodge) - not full-fledged games. In gaming projects I create, among others: character mechanics, FX and UI animations (DoTween). I like to propose and implement improvements, and in my free time I develop my own games, regularly refactoring the code and ensuring a clean division into classes/interfaces. The key for me is achieving the goal and high performance on target platforms. My portfolio: _Website not available. Sign in: https://www.twine.net/signup_ Technologies and experience: Unity3D/C#, C/C++ basic ,OOP/SOLID, Zenject, DoTween, Addressables/Asset Bundles, OpenXR, ARCore, Vuforia, WebGL, Steam integrations (Achievements/Cloud/Leaderboards), performance and resource optimization, production for iOS/Android/PC/Meta Quest.

Sebastian

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I am a Unity Developer specializing in AR/VR and games for PC and mobile. I carry out end-to-end projects: from prototype and technology selection to optimization and implementation. I worked on demo apps, internal projects, and mini-games for US brands (Microsoft, NFL, Dodge) - not full-fledged games. In gaming projects I create, among others: character mechanics, FX and UI animations (DoTween). I like to propose and implement improvements, and in my free time I develop my own games, regularly refactoring the code and ensuring a clean division into classes/interfaces. The key for me is achieving the goal and high performance on target platforms. My portfolio: _Website not available. Sign in: https://www.twine.net/signup_ Technologies and experience: Unity3D/C#, C/C++ basic ,OOP/SOLID, Zenject, DoTween, Addressables/Asset Bundles, OpenXR, ARCore, Vuforia, WebGL, Steam integrations (Achievements/Cloud/Leaderboards), performance and resource optimization, production for iOS/Android/PC/Meta Quest.…I am a Unity Developer specializing in AR/VR and games for PC and mobile. I carry out end-to-end projects: from prototype and technology selection to optimization and implementation. I worked on demo apps, internal projects, and mini-games for US brands (Microsoft, NFL, Dodge) - not full-fledged games. In gaming projects I create, among others: character mechanics, FX and UI animations (DoTween). I like to propose and implement improvements, and in my free time I develop my own games, regularly refactoring the code and ensuring a clean division into classes/interfaces. The key for me is achieving the goal and high performance on target platforms. My portfolio: _Website not available. Sign in: https://www.twine.net/signup_ Technologies and experience: Unity3D/C#, C/C++ basic ,OOP/SOLID, Zenject, DoTween, Addressables/Asset Bundles, OpenXR, ARCore, Vuforia, WebGL, Steam integrations (Achievements/Cloud/Leaderboards), performance and resource optimization, production for iOS/Android/PC/Meta Quest.

Available to hire

I am a Unity Developer specializing in AR/VR and games for PC and mobile. I carry out end-to-end projects: from prototype and technology selection to optimization and implementation. I worked on demo apps, internal projects, and mini-games for US brands (Microsoft, NFL, Dodge) - not full-fledged games. In gaming projects I create, among others: character mechanics, FX and UI animations (DoTween). I like to propose and implement improvements, and in my free time I develop my own games, regularly refactoring the code and ensuring a clean division into classes/interfaces. The key for me is achieving the goal and high performance on target platforms.
My portfolio: Website not available. Sign in: https://www.twine.net/signup

Technologies and experience: Unity3D/C#, C/C++ basic ,OOP/SOLID, Zenject, DoTween, Addressables/Asset Bundles, OpenXR, ARCore, Vuforia, WebGL, Steam integrations (Achievements/Cloud/Leaderboards), performance and resource optimization, production for iOS/Android/PC/Meta Quest.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

Polish

Fluent

English

Advanced

Work Experience

Unity Developer at TomiCorp

January 1, 2023 - August 14, 2025

Creating and optimizing games and frameworks for the Meta Quest platform. Developing apps using Google AR Core for iOS and Android. Building interactive AR/VR environments and WebGL apps in Unity 3D. Delivering solutions for well-known clients.

Unity Developer at In Planner

October 1, 2024 - October 13, 2025

Designing and building from scratch AR/VR games and apps using Unity extensions (mainly Vuforia Engine and Google Cardboard). Implementing ESP32 Bluetooth control and programming ESP32 per project requirements. Optimizing mobile performance. Refactoring and adding features to existing games.

Unity Developer at YSLAB

October 1, 2022 - October 13, 2025

Implemented new investments for residential developers in Unity 3D CRM system. Created features per customer requests, tested final versions, improved system functionalities, and fixed errors.

Unity Developer at Underwater World

March 1, 2023 - October 13, 2025

Created interactive Windows desktop wallpapers that respond to sounds and music using Unity 3D. Built from scratch or with existing assets, including gameplay mechanics, 3D models, shaders, and UI. Implemented Steam Achievements, Leaderboards, and Cloud Save. Built a separate Input System for games and a Windows launcher. Connected to Steam features for wallpaper mode.

Unity Developer at 3D Live Wallpapers UK

March 1, 2023 - October 13, 2025

Created interactive Windows desktop wallpapers in Unity 3D that react to sounds and music, using AR/VR elements and assets; improved sound capture and microphone peripheral integration for Windows platforms.

Unity Developer at Y SLAB

October 1, 2022 - October 13, 2025

Implementation of new investments to the system created for residential developers in Unity 3D; CRM mapping with the application; creating new features for the system at customer requests; testing final versions before deployment; fixing system errors.

Unity Developer at In Planner

October 1, 2024 - October 13, 2025

Designing and creating from scratch games and applications based on AR and VR technology, using available Unity extensions, mainly Vuforia Engine and Google Cardboard.

Unity Developer at Think And Coop

January 1, 2023 - Present

Creating a cooperative game Think And Coop. Tasks include character controller, co-op mechanics, multiplayer using Unity Netcode, input handling for multiple devices (mouse/keyboard, Xbox, PlayStation gamepads), creating interaction object prefabs, animated UI, wiring UI for gamepad, optimizing 3D levels and code, Post Processing and quality settings, and shaders to ensure smooth gameplay on weaker platforms. Game can be launched in full-screen Windows window and is connected to Steam Achievements, Steam Cloud Save, and Steam Leaderboards.

Unity Developer at Underwater World

September 1, 2022 - October 13, 2025

Colorizesimulator as Windows wallpaper game, built using a Unity-based system that combines Unity input with native Windows input to create a wallpaper-like game; created all building mechanics, effects, shaders, and UI; integrated Steam Achievements, Cloud Save, and Leaderboards.