Rockefeller Philanthropy Advisors is hiring a Senior AI Character Creator to shape digital companionship and creative content. You will design, train, and refine hyper-realistic AI characters using state-of-the-art tools, working at the intersection of technology, creativity, and culture.

What You'll Do

Train and fine-tune AI character LoRAs using tools such as Kohya ss, StableDiffusion, and ComfyUI across diverse models and demographics.
Test characters extensively to ensure consistency, creativity, originality, and user engagement across both SFW and NSFW experiences.
Follow release plans to deliver new characters weekly and maintain content freshness aligned with trends and user behavior.
Research new models, techniques, and workflows to enhance character creation and innovation.
Collaborate closely with engineers, designers, and other creatives to test new features and ensure cohesive quality across product lines.
Support interdepartmental testing initiatives and help develop scalable, repeatable processes for character development.
Track, document, and continually improve workflows to maintain high-quality standards.

What We're Looking For

Proven experience with AI tools such as Kohya ss, StableDiffusion, ComfyUI, and a variety of checkpoints (e.g., Pony, Flux) used for character LoRA training.
Strong creative instinct and cultural fluency, with the ability to translate trends and user behaviors into engaging AI character traits.
Solid familiarity with internet culture and digital communities; confident handling both SFW and NSFW content.
Strong attention to detail, paired with a readiness to work through repetitive testing cycles to maintain consistency and quality.
Excellent communication and collaboration skills; fluent English is required.
Comfortable working independently, managing structured processes, and executing tasks with minimal supervision.

Technical Stack

Kohya ss
StableDiffusion
ComfyUI
GPT-4
Mistral
Hugging Face Pro

Team & Environment

You will collaborate closely with engineers, designers, and other creatives.

Benefits & Compensation

Flexible B2B contract preferred, with long-term commitment encouraged.
Fully remote setup — work from anywhere in Europe.
Four weeks of paid time off annually.
Annual team gathering to build stronger personal connections.
Up to $200 annual wellbeing budget and a separate learning budget.
Access to advanced tools including GPT-4, Mistral, and Hugging Face Pro.
Company-provided laptop and remote work essentials.
Dynamic team culture with global, high-caliber talent and fast-paced innovation.