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I am a Gameplay Programmer with a lifelong passion for games, specializing in Unity, Unreal, and Roblox. I work on scalable UI, AI systems (FSM, behaviour trees, reinforcement learning), client-server architectures, shaders, databases, and authentication systems (Google, AWS). I've contributed across the full development lifecycle, collaborating in Agile teams, solving problems, debugging, and delivering technically robust and engaging game experiences.…I am a Gameplay Programmer with a lifelong passion for games, specializing in Unity, Unreal, and Roblox. I work on scalable UI, AI systems (FSM, behaviour trees, reinforcement learning), client-server architectures, shaders, databases, and authentication systems (Google, AWS). I've contributed across the full development lifecycle, collaborating in Agile teams, solving problems, debugging, and delivering technically robust and engaging game experiences.

Alex Zarnescu

Game Developer, Programmer, Designer, +2

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I am a Gameplay Programmer with a lifelong passion for games, specializing in Unity, Unreal, and Roblox. I work on scalable UI, AI systems (FSM, behaviour trees, reinforcement learning), client-server architectures, shaders, databases, and authentication systems (Google, AWS). I've contributed across the full development lifecycle, collaborating in Agile teams, solving problems, debugging, and delivering technically robust and engaging game experiences.…I am a Gameplay Programmer with a lifelong passion for games, specializing in Unity, Unreal, and Roblox. I work on scalable UI, AI systems (FSM, behaviour trees, reinforcement learning), client-server architectures, shaders, databases, and authentication systems (Google, AWS). I've contributed across the full development lifecycle, collaborating in Agile teams, solving problems, debugging, and delivering technically robust and engaging game experiences.

Available to hire

I am a Gameplay Programmer with a lifelong passion for games, specializing in Unity, Unreal, and Roblox. I work on scalable UI, AI systems (FSM, behaviour trees, reinforcement learning), client-server architectures, shaders, databases, and authentication systems (Google, AWS).

I’ve contributed across the full development lifecycle, collaborating in Agile teams, solving problems, debugging, and delivering technically robust and engaging game experiences.

Skills

Unity 3D

Blender

C++

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Work Experience

Gameplay Developer at Hypersonic Labs

November 1, 2023 - December 1, 2024

Collaborated with multiple departments to develop an open-world online multiplayer game inspired by GTA5 FiveM using Helix, a UE5 plugin. Converted FiveM QBcore systems (ambulance, police, taxi, bus), polyzone mechanics, crafting and minigames into Helix code to enable seamless multiplayer RPG. Updated and optimized WebUI to provide player feedback on objectives and POIs while maintaining performance. Implemented a custom character customization UI and an asynchronous promise-based system in Helix to overcome missing multithreading. Enhanced blueprint-based doors physics to interact with characters and vehicles. Assisted onboarding and provided feedback to team members. Maintained and updated worlds and built modular packages for reuse. Used Git and Plastic SCM in Agile teams.

Game Developer at Minicoders

October 1, 2021 - November 1, 2023

Developed educational games in Unity WebGL / Roblox, including Mars Mission and Magic School, teaching coding and logic through interactive puzzles; created Candy Circus, a multiplayer survival game focusing on problem solving and teamwork. Built core in-game UI frameworks on Unity WebGL with a JavaScript communication plugin for browser-U Unity messaging; integrated Google and Microsoft authentication. Implemented Save/Load using AWS Cloud Saving and local persistence. Ported Mars Mission and Magic School from Roblox to Unity WebGL and expanded cross-platform access. Implemented gameplay mechanics including character movement, item exchange/shop, spaceship flight and gravity on spherical planets; leveraged Cinemachine and the Input System to accelerate development.