Engine/Gameplay Architect - UGC / Architecte moteur / gameplay - UGC

Responsibilities

• Architect the end-to-end UGC framework: data models, runtime systems, and extensibility points
• Design and evolve APIs that expose gameplay systems safely and flexibly to creators
• Define the scripting model (language, runtime) for user-authored content
• Partner with AI/ML teams to enable an AI agent that can generate, modify, and reason about gameplay content
• Establish guardrails: performance budgets, sandboxing, security, and determinism
• Work closely with gameplay, online, and tools teams to ensure cohesion across the platform
• Drive technical direction through prototypes, documentation, and hands-on implementation
• Mentor engineers and influence engineering standards across teams
• Nous recherchons une personne au poste d'Architecte Moteur / Gameplay pour contribuer à façonner les fondations du contenu généré par les utilisateurs (UGC) au sein d'une expérience AAA à grande échelle développée avec Unreal Engine.
• Concevoir l'architecture de bout en bout du cadre UGC : modèles de données, systèmes d'exécution et points d'extensibilité
• Concevoir et faire évoluer des API qui exposent les systèmes de gameplay de manière sécuritaire et flexible aux créateur-rice-s
• Définir le modèle de script (langage, environnement d'exécution) pour le contenu créé par les utilisateur-rice-s
• Collaborer avec les équipes IA/ML afin de permettre un agent IA capable de générer, modifier et raisonner sur du contenu de gameplay
• Mettre en place des garde-fous : budgets de performance, isolation (sandboxing), sécurité et déterminisme
• Travailler étroitement avec les équipes gameplay, en ligne et outils afin d'assurer la cohérence de la plateforme
• Orienter la direction technique au moyen de prototypes, de documentation et d'implémentations concrètes
• Encadrer les ingénieur-e-s et influencer les normes d'ingénierie à l'échelle des équipes
• Strong experience architecting gameplay or engine systems in C++ within Unreal Engine (or comparable AAA engines)
• Proven experience designing extensible systems, SDKs, or developer platforms used by internal or external creators
• Deep understanding of gameplay architecture, including: Entity Component Systems (ECS) or actor-based models, event-driven architecture / messaging systems, state machines, replication models, and serialization pipelines
• Experience designing and maintaining APIs (C++, REST, or RPC) with a focus on usability, versioning, and backward compatibility
• Hands-on experience with scripting languages and runtimes (e.g. Lua, Python, visual scripting like Blueprints, Verse, or custom DSLs)
• Familiarity with embedding scripting languages and bridging native and managed/runtime code
• Strong understanding of runtime performance optimization (CPU/GPU constraints, memory management, streaming systems, multithreading, async workflows)
• Experience working with large-scale systems (open worlds, World Partitioning, asset streaming, networked/multiplayer environments)
• Knowledge of build systems, CI/CD pipelines, and content validation workflows
• Experience with sandboxing, capability-based security, or safe execution environments for user-authored code
• Comfort working across boundaries: engine, gameplay, backend services, and tools
• Desired Characteristics
• Experience building or supporting modding or UGC platforms (e.g., level editors, scripting APIs, creator toolchains)
• Exposure to AI/ML-assisted development workflows, including:
• LLM-powered tools
• Agent-based systems
• Prompt-driven or natural language interfaces for content creation
• Familiarity with knowledge representation, graph-based systems, or toolchains that enable AI reasoning over game data
• Experience with cloud-integrated game platforms, backend services, or live service ecosystems
• Background in developer experience (DevEx), including tooling, documentation systems, and usability of technical platforms
• Experience designing for other developers, not just for systems
• Ability to balance flexibility with guardrails (power without chaos)
• Comfort

Benefits

Additional Information

We're looking for an Engine / Gameplay Architect to help shape the foundation of user-generated content (UGC) on a large-scale AAA experience built in Unreal Engine. This role sits at the intersection of engine systems, gameplay architecture, and emerging AI-assisted creation workflows. You'll define how creators build, extend, and interact with the platform - through robust APIs, scalable systems, and intuitive scripting - while enabling AI-driven tooling that lowers the barrier to creation without limiting depth.

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