Head of Artificial Intelligence

About Grapes Worldwide Grapes Worldwide is a global marketing and technology agency working with leading brands across regions and industries. We operate at the intersection of creativity, technology, and scale, and are actively building AI-powered platforms to embed intelligence into workflows, automation, and productized solutions.
Role Overview We are hiring a Head of AI Systems and Prompt Architecture to own and build the intelligence layer of our AI-powered platforms.
This is a senior, hands-on role focused on designing prompt systems, AI workflows, and agent behavior at a production level. You will work closely with Product, Engineering, and AI teams to ensure AI systems are reliable, scalable, and deeply integrated into platform capabilities.
Key Responsibilities Own prompt architecture and AI system behavior across platforms
Build and maintain production-grade AI workflows for image, video, and multimodal generation
Design and manage ComfyUI-based pipelines and similar workflow systems
Develop reusable prompt frameworks, presets, and modules
Design and optimize LLM-based agents used in platform workflows
Define how context, memory, tools, and instructions flow through AI systems
Partner with Product and Engineering teams on AI integrations
Continuously test, evaluate, and improve AI output quality and reliability
Ownership Areas AI system behavior and intelligence across platforms
Prompt standards, frameworks, and versioned libraries
Workflow orchestration and system-level AI design
Evaluation frameworks for AI performance and quality
Planning for model upgrades and new integrations
Required Experience Hands-on experience with prompt engineering in production systems
Strong understanding of generative models across image, video, text, and multimodal use cases
Experience with ComfyUI workflows or similar orchestration frameworks
Experience building or configuring LLM-based agents
Strong understanding of AI workflows, automation, and system design
Ability to work closely with engineers on implementation details
Systems-level thinking and strong problem-solving skills
Technical Skills Prompt architecture and context management
ComfyUI pipelines and workflow orchestration
Agent-based AI systems
Model behavior tuning and evaluation
APIs, integrations, and product-facing AI logic
Why This Role Matters This role defines how AI systems think and behave within Grapes Worldwide’s platforms. You will own the intelligence layer that powers reliability, scalability, and real-world performance.
If you enjoy building intelligent systems and owning AI behavior end to end, we would love to speak with you.