Unreal Engine C++ engineer. I fix UE5 stutter and get Unreal Android games through Google Play.
Fixed-price work inside your project. You get a written report and before/after proof.
- Google Play Compliance Pass (UE 5.5–5.8): target API 36, Play Billing Library 8 and 16 KB memory pages, plus a preflight report of everything Play would reject. Google's extension window for API 36 ends on 1 November 2026.
- Stutter & First-Run Fix (UE5 PC / Steam): a cold-cache hitch capture, the whole PSO pipeline (collection, bundling, precaching, warm-up) and scalability defaults for mainstream PCs.
- Contract Unreal C++: plugins, editor tools, build and packaging pipelines, and gameplay systems.
➡️ Prices and a free 20-minute check: gregorigin.com
Several of these repos are the free Core versions of my Fab plugins.
PSO Autopilot Memory-safe, asynchronous PSO cache collection and warm-up with time-sliced Game Thread yielding. The engine work behind the stutter fix. 
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TargetFrame Dynamic runtime scalability that holds frame rate on mainstream PCs, so Lumen doesn't sink your first-run experience. 
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TerraDyne Native C++ runtime landscape: real-time sculpting, digging, painting and persistence. 
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Rollback Core Deterministic GGPO-style rollback netcode for UE5: fixed-step simulation, save/restore and resimulation. 
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OmniWalk Zero-config arbitrary gravity and surface adhesion. Native C++ "Magneboot" locomotion for spider-walking and planetary gravity. 
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Instant Organic Caves (IOC) Lightweight, purist C++ engine that generates procedural caves and rock structures at runtime. 
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BlueLine Core Blueprint UX toolkit: algorithmic wire-crossing minimisation, linting and semantic auto-tagging. 
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SyncShield / SafeSave A source-control safety net for Git, Plastic and Perforce. It catches dirty packages and enforces file locks before they turn into merge conflicts. 
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- Languages:
C++20,HLSL/GLSL,C#,Python,TypeScript,PHP - Game Engine:
Unreal Engine 5.4 - 5.8(source builds, UBT, UAT, plugin architecture) - Shipping: multi-engine packaging and automated test matrices (UE 5.5–5.8), Android toolchain (SDK/NDK, Gradle, UPL), Google Play requirements
- Core Systems:
- Asynchronous multithreading (TaskGraph, FMonitoredProcess)
- Dynamic/procedural mesh generation (UDynamicMeshComponent, voxels)
- Custom locomotion and physics solvers that skip the overhead of the standard Character Movement Component
- Editor utilities, Slate UI and engine-level hooking
- Graphics/Rendering: shader pipeline caching (PSO), compute shaders, Runtime Virtual Textures (RVT)
Also: native Windows 11 tools on itch.io · support the free Core versions on Patreon · all links on Linktree