Freelancer profile translated to English.

Description

Passionate developer specializing in gameplay and network architectures. Proficient in both C++ and C#, I design robust solutions, from high-performance code structures to real-time synchronization optimization. My approach is to transform complex technical challenges into clean, efficient, and reliable code.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

La Rochelle (up to 50km)

Creajeux
Heist Day - Multiplayer Unreal Engine Game
March 2026 - May 2026 (2 months)
Nîmes, France
Competitive 2v2 multiplayer shooter game running on a synchronized dedicated server architecture via a custom backend.

My Contribution:

- Lead Dev & Project Management (DevOps/Roadmap)

Technical Direction: Roadmap management, task distribution, and maintaining the overall vision between artistic and technical teams.

- Backend Architecture & Matchmaking (Go / EOS)

Custom Go Backend: Full development of an external microservice for dynamic game server management and matchmaking via an HTTP/JSON API.

Epic Online Services (EOS) Integration: Implementation of authentication, session management, and friend invitations within an interactive 3D lobby.

- Network Gameplay & Authoritative Synchronization (Unreal Engine C++)

Multiplayer Game Loop: Complete server logic (GameMode, PlayerState, GameState), round management, team assignment, and role-swapping system.

Netcode & Synchronization: Authoritative replication of key mechanics (shooting system, respawns, alarms) and network performance optimization for physical element destruction (Chaos/Fracture).

Multiplayer Polish: Full network synchronization of the UI (leaderboards, cutscenes, game stats), visual effects (bullet decals), and audio.
C++ Unreal Engine 5 Multiplayer Blueprint EOS
Self Employed
LKZ Multiplayer Ecosystem
October 2025 - May 2026 (7 months)
Nîmes, France
Three projects, one system: a multithreaded C++ network engine (TCP/UDP), a Go backend for online services, and a multiplayer TPS that runs it all.

Network Engine:

Event-Driven Networking
Asynchronous I/O (IOCP)
Multithreading
Big Endian Serialization
Custom efficient protocol
Partial Bitpacking
Full metrics tracker for monitoring
Full Authoritative Server
ECS Integration for entities
Navigation, Pathfinding & Navmesh with Recast Navigation
Session-based architecture
Lightweight architecture
UDP for simulation, TCP for reliability
Optimized Batching
Zero-Allocation I/O Pipeline

Online Services (Backend):

Lobby Management
Matchmaker
Session Management & Attribution
Custom Protocol
Secured I/O Handling

Game Demo (Unity client):

Complete TPS camera controller using Cinemachine
Complete Synced Weapon System (creation, data, actions)
Complete Synced TPS Character Movement — prediction, interpolation and reconciliation
Complete Menu / Lobby / Matchmaking
AI Entities fully synchronized and server-driven
Burst, Native Array and Jobs for efficient entity movement
Client / Server Architecture
Complete console — network, server and client metrics
Synced Procedural Animation
Unity 3D C++ C# Multithreading DevOps
Creajeux
Extraction Z - Multiplayer Unity Game
March 2025 - May 2025 (2 months)
Nîmes, France
Extraction Z is a competitive 3v3 FPS where two teams battle in a hostile environment populated by mutants. The objective is to locate an artifact and bring it back to base, while surviving hordes of zombies and enemy assaults.

My Contribution:

Development of a first-person character controller with complex player physics.

Creation of an advanced camera system for a smooth and immersive gameplay experience.

Implementation of a complete custom body awareness system using procedural animations.

Design of the weapon management system, including shooting mechanics.

Handling synchronization of player movements, shots, and visual effects (VFX) with Netcode for Entities.

More Information:
C# Multiplayer ECS Unity 3D