Sjoerd De Jong

Facts

Announced: joined the development of Immense Engine · 2026-08-07
Announced: departure from Epic Games · 2026-06-22

Connections

Produces: immense engine
Staff change: epic games

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All coverage

1h ago

Unreal Veteran Sjoerd De Jong Joins AI-Native Immense Engine

Sjoerd De Jong, a 12-year Epic Games veteran and Unreal Engine evangelist who left in June, has joined the development of Immense Engine. The engine, built by former Unreal developers including Arjan Brussee, aims to replace Unreal Engine and Unity with a clean, modern, AI-native design that integrates external AI agents from the start.

Jun 22

Sjoerd De Jong Leaves Epic Games After 27 Years With Unreal Engine

Sjoerd De Jong, a 27-year veteran of Unreal Engine and 12-year Epic Games employee, announced his departure on June 19. Known as Hourences, he worked as a level designer, evangelist, and senior product director, and helped found the Epic Developer Community and restructure the Fab marketplace. He cited a turning point in the industry as a factor.