Game Development · RP-GD-0010

Mohammed Motawea

LeadUnity Developer

Principal Unity engineer for large-scale performance and architecture across games, simulation and XR

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  • 11yearsprofessional experience
  • LeadSeniority level
  • Unity 6 (URP / HDRP)Primary stack
  • CairoBased in · Egypt · GMT+2

Mohammed Motawea

Profile summary

Unity Certified Professional Programmer with 11+ years shipping games, simulations and XR products across mobile, PC and VR/AR. Specialises in performance and large-scale C# architecture: lifted dense city scenes with 600+ active NPCs from 25 to 60 FPS, built a 2TB Addressables streaming system that keeps the app under 1GB, and cut multiplayer desync by 60%. Shipped the simulation title Business Heroes on Steam with 85% positive reviews, plus an educational edition adopted by three UAE universities. Recently open-sourced a GPU CFD solver and a CAD/BIM importer for Unity.

  • Languages

    • ArabicNative
    • EnglishFluent

  • Sectors

    • Games
    • Education
    • Media

Mohammed Motawea

5 roles

Experience

Most recent role first, with outcomes as stated in the CV.

  1. Principal Unity Engineer

    Visionaries FZ-LLC

    – PresentDubai, UAE

    • Lifted average frame rate from 25 FPS to 60 FPS on mid-range hardware in large city scenes with 600+ active NPCs.
    • Architected end-to-end gameplay systems and backend services for the simulation title Business Heroes, shipped on Steam with 85% positive reviews plus an educational edition adopted by three universities in the UAE.
    • Re-architected 20+ UI screens with a theme-based UI system, reducing UI overhead while simplifying complex financial mechanics.
    • Designed scalable save systems, data models and localisation supporting 8 languages, including RTL.
    • Integrated Azure backend services for cloud saving, analytics and telemetry, leaderboards, achievements and custom build distribution.

  2. Senior Unity Engineer (AR)

    Pretia Technologies, Inc.

    – Tokyo, Japan (remote)

    • Delivered 5+ shipped AR products in one year for the entertainment and media division.
    • Implemented advanced AR mechanics on Pretia’s AR-cloud framework, tuned for tracking stability in public spaces.
    • Evaluated 15+ technical proposals for architectural feasibility and resource efficiency, working day to day with Japanese product, art and client teams.

  3. Senior Unity Engineer

    Backlot Studio

    – California, USA (remote)

    • Designed an Addressables streaming system managing 2TB+ of downloadable assets while keeping the app under 1GB.
    • Engineered physically accurate simulations of 15+ professional camera types and 30+ lighting fixtures, enabling distributed teams to previsualise real-world cinematography in-engine.
    • Built custom Editor tooling that cut library-asset integration time by 16 hours per scene.
    • Reached 60 FPS on PC (HDRP) by optimising memory and resolving bottlenecks across large scenes, then led the iPad port from HDRP to URP while holding 50 FPS and visual fidelity.
    • Architected core components of a multi-platform collaborative filmmaking application for Windows, macOS and iPad.

  4. Unity Developer

    Elibre DMCC

    – Cairo, Egypt

    • Cut marketing-material turnaround from 2–⁠3 days to under 2 hours with a fully automated plan-to-VR workflow for a real-estate VR interior visualisation platform.
    • Engineered procedural furnishing systems that generate fully staged layouts in under 2 minutes.

  5. Unity Developer

    Bidaj Studio, Inc.

    – California, USA (remote)

    • Owned client-side architecture for a real-time multiplayer trading card game supporting up to 1,000 concurrent players, with turn-based state systems for 100+ card types and abilities.
    • Cut latency-related desync by 60% through optimised data serialisation and state-change events, on Photon PUN with Firebase for profiles and cloud persistence.

Mohammed Motawea

5 projects

Selected projects

Shipped titles and products, with the role played on each.

  • Business Heroes

    Principal Unity engineer

    Commercial business-simulation game on Steam with 85% positive reviews; its educational edition is used by three UAE universities.

    • Unity
    • C#
    • Azure
    • Steam

  • Wind Tunnel Simulation (open source, MIT)

    Author

    Real-time lattice-Boltzmann CFD solver (D3Q19, TRT, WALE LES) simulating ~8M cells in compute shaders, with automatic voxelisation, live force telemetry, pressure and shear heatmaps, and automated A/B sweeps for aerodynamic design and education.

    • Unity 6
    • GPU compute
    • Compute shaders

  • CAD Importer for Unity (open source, MIT)

    Author

    Pure-C# importer for STEP, IGES, IFC, glTF, OBJ, STL and PLY with normalised units and axes, preserved assembly hierarchies, LOD chains, PBR materials and physics colliders, via an Editor batch window or a runtime async API.

    • C#
    • Unity

  • Unity Editor Tools Suite

    Developer (Visionaries FZ-LLC)

    Six designer-facing tools that turn engineer-only workflows into one-click operations, including Google Sheets localisation sync (8 languages, RTL), an NPC archetype creator and balancer, and an in-game events authoring system.

    • C#
    • Unity Editor

  • VR Heavy-Weapon Defense (client MVP)

    Freelance developer

    Two-handed, tripod-mounted weapon rig driven by both controllers, with wave-based enemy spawning and a pooled projectile system handling thousands of simultaneous rounds within the VR frame budget.

    • Unity
    • Meta Quest
    • VR

Mohammed Motawea

8 core skills

Skills

Core skills first, then the full toolkit by theme.

Core skills

  • Unity 6 (URP / HDRP)
  • C#
  • Performance profiling & optimisation
  • Large-scale system architecture
  • Addressables & asset streaming
  • Jobs System & Burst Compiler
  • Multiplayer state sync (Photon PUN)
  • XR (OpenXR, AR Foundation, Meta Quest)

  • Unity

    • Unity 6
    • URP / HDRP
    • SRP internals
    • Jobs System
    • Burst Compiler
    • Addressables
    • Custom Editor tooling
    • Odin
    • Unity Cloud services

  • Performance

    • Cross-platform profiling
    • Memory management
    • Draw-call reduction
    • GPU compute
    • Asset optimisation
    • HDRP-to-URP migration

  • Architecture

    • Clean architecture
    • SOLID
    • Design patterns
    • Data persistence & save migration
    • Networking / multiplayer state sync
    • Localisation (RTL)

  • XR & industry 3D

    • OpenXR
    • AR Foundation
    • Meta Quest
    • CAD/BIM-to-engine pipelines (STEP, IGES, IFC, glTF)
    • Digital twins
    • Live telemetry integration

  • Languages

    • C#
    • HLSL / compute shaders
    • Python
    • C++
    • JavaScript

  • Platforms & services

    • Windows
    • macOS
    • iOS
    • Android
    • Meta Quest
    • Steam
    • Azure
    • Firebase
    • Photon PUN
    • Node.js
    • Git
    • GitHub
    • Blender
    • Adobe Suite

Mohammed Motawea

Education and certifications

Degrees, certifications and awards on record.

Education

  • B.Eng. Computers & Control SystemsMansoura University, Egypt

Certifications

  • Unity Certified Professional ProgrammerUnity Technologies · 2026
  • Unity Certified Expert Programmer (credential expired)Unity Technologies · 2023

Mohammed Motawea

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