Marcus Delacroix

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Senior game developer with 9 years of experience shipping AAA and indie titles across PC, console, and mobile platforms. Specializes in Unreal Engine 5 gameplay systems, physics simulation, and multiplayer netcode architecture. Shipped 6 commercial titles totaling over 4 million units sold and maintained a 4.6-star average rating across storefronts.

Work Experience

Senior Game DeveloperMar 2020 - Present

Ironclad Interactive, Austin, TX

Architected a data-driven quest system in Unreal Engine 5 that reduced designer iteration time by 40% and supported 300+ branching narrative nodes at launch.
Optimized GPU draw call batching for open-world environments, cutting average frame time from 18 ms to 11 ms on PlayStation 5 and achieving a locked 60 fps target.
Mentored a team of 4 junior developers through code reviews and weekly 1:1s, reducing critical bug counts in sprint reviews by 55% over two release cycles.

Game DeveloperJun 2017 - Feb 2020

Pixel Drift Studios, Seattle, WA

Built a custom procedural terrain generation pipeline in C++ that cut level-building time by 30% and produced 12 shipped biomes across two DLC expansions.
Designed and implemented a peer-to-peer rollback netcode system for a 4-player fighting game, reducing average input latency from 120 ms to 22 ms in cross-region sessions.
Integrated Unity Analytics and a custom telemetry layer that surfaced player drop-off data used to redesign 3 tutorial levels, improving Day-1 retention by 18 percentage points.

Junior Game DeveloperAug 2015 - May 2017

Neongate Games, Portland, OR

Implemented 35 enemy AI behavior trees in Unity using a shared blackboard architecture, enabling designers to author new enemy types without engineering support.
Contributed to a mobile endless-runner title that reached 500,000 downloads within 90 days of launch and maintained a 4.4-star rating on iOS and Android.
Refactored legacy C# animation state machine code, eliminating 200+ lines of redundant transitions and resolving 14 animation-blending bugs before gold submission.

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