AI Character Designer

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Description

Robert Half is partnering with our client, a leading technology and entertainment organization, in search of an AI Character Designer to join their team in Seattle. This role supports a high-impact UX and emerging media initiative focused on scaling AI-generated video content. This is a unique opportunity to help define next-generation, AI-driven character experiences in a highly visible, customer-facing environment, with direct impact on how audiences discover and engage with content.

Duration: 6-month contract

Location: Seattle, WA (1 day onsite, 4 days remote)

Pay Rate: $87-93/hour

Hours: 40 hours/week

Position Overview:

The AI Character Designer will serve as a creative technologist responsible for designing and optimizing AI-generated characters within an end-to-end content generation pipeline. This role sits at the intersection of storytelling, generative AI, and video production, with a strong emphasis on building scalable character systems that power short-form, AI-generated video experiences. You will define and refine character frameworks, behaviors, and personas that enable AI systems to consistently generate compelling, cohesive dialogue and visual outputs. This is a highly iterative, systems-driven role requiring both creative storytelling instincts and technical fluency with AI tools.

Key Responsibilities:

• Design and define AI-generated characters, including visual traits, voice, tone, personality, and interaction patterns, ensuring consistency across all generated content
• Develop detailed character frameworks and creative briefs that guide AI systems in generating structured, high-quality scripts and video outputs
• Build and refine AI personas (e.g., character voices, screenwriter personas, production personas) that drive script and video prompt generation
• Evaluate AI-generated scripts and videos, identifying issues such as character drift, inconsistent tone, or unnatural dialogue, and trace root causes across the system
• Continuously improve character consistency and performance by refining prompts, constraints, and system rules
• Establish and manage quality control frameworks, including character continuity, dialogue pacing, and content validation checks prior to video generation
• Define and evolve evaluation criteria and scoring rubrics focused on character performance, including consistency, believability, and engagement
• Collaborate cross-functionally with UX, product, and engineering teams to align character-driven content with broader user experience goals
• Operate in a fast-paced, experimental environment with rapid iteration cycles and direct impact on customer-facing experiences
  
  

Requirements

Required Qualifications:

• Strong familiarity with generative AI tools, including LLMs for script generation and video/image models for visual output
• Experience with character design for visual or narrative media (animation, illustration, or character-driven storytelling)
• Proven experience with prompt engineering, including iterating on structured inputs to improve consistency and quality of AI outputs
• Ability to critically evaluate AI-generated content and articulate specific issues such as character inconsistency, tone mismatch, or pacing breakdowns
• Systems-thinking mindset with the ability to design and optimize multi-step creative pipelines rather than one-off outputs
• Experience writing for spoken dialogue, such as screenwriting, voice-over, or audio-first content formats
• Comfort working with structured data formats such as JSON, markdown templates, and timing frameworks
• Working knowledge of video production fundamentals, including framing, pacing, lighting, and camera direction
• Highly self-directed with the ability to independently identify issues, iterate on solutions, and improve system performance
  
  

Preferred Qualifications:

• Background in streaming, entertainment, or content recommendation systems
• Familiarity with text-to-speech (TTS) systems and how script structure impacts synthesized voice quality
• Experience building or managing scalable creative systems, including templates, style guides, and quality assurance frameworks
  
  

Innovation starts with people.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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