Mahmoud A.

I help game studios build, debug, and stabilize production-ready Unreal Engine systems, especially online multiplayer, EOS/PlayFab integrations, C++ gameplay architecture, and complex Blueprint systems. With 9+ years of game-development experience, a 100% Job Success Score, Top Rated status, $20K+ earned, and 600+ Upwork hours, I can join an existing project, understand its architecture quickly, identify technical risks, and deliver maintainable solutions. Selected Unreal Engine experience: • Online multiplayer, replication, sessions, lobbies, matchmaking, and reconnection flows • Epic Online Services and PlayFab integration • C++ and Blueprint gameplay architecture • Gameplay Ability System, locomotion, interaction, and combat systems • AI using Behavior Trees, EQS, navigation, and custom systems • Performance profiling, debugging, optimization, and project stabilization • Procedural animation, Control Rig, physics, and animation integration • Windows, Linux, macOS, VR, iOS, and Android development Recent work includes a long-term EOS and PlayFab lobby-system integration, multiplayer development for Glizzy Royale, and serving as Multiplayer Lead Programmer on Katana Inu. When contacting me, please include: • Your Unreal Engine version • Target platforms • The system or problem you need solved • Whether the project uses C++, Blueprints, or both • Any relevant screenshots, videos, logs, or technical documentation I will review the requirements and recommend the most practical next step.