Remote Senior Motion Designer & AI Evaluation Specialist

Synthires; United States; Remote; USD 96,000 - 165,000; Full time

Job summary

Synthires is seeking a Senior Motion Designer and Creative Technologist for a remote, full-time role focused on AI model evaluation. You’ll craft real-world motion tasks, evaluate AI-generated outputs, and contribute to training data quality through rigorous feedback and documentation.

The ideal candidate has 5+ years in motion design, advanced After Effects, 3D experience, and proficiency with code-driven animation tools.

Qualifications

• 5+ years of professional motion design experience.
• Advanced After Effects skills with expressions and parallax.
• Experience with Cinema 4D or Blender for 3D elements.
• Proven track record delivering code-driven motion workflows.
• Proficiency with delivery formats like .aep, .mogrt, .c4d, .blend, SVG, ProRes, H.264.
• FFmpeg command-line experience for video encoding and editing.
• Experience with generative video/image tools (Runway, Midjourney, etc.).
• Public portfolio or reel and public code sample of video work.
• Strong written communication and ability to explain creative decisions.
• Availability for at least 40 hours per week.

Responsibilities

• Create challenging motion design tasks and reference deliverables using After Effects and code-based animation tools.
• Evaluate AI-generated motion graphics for timing, typography, safety areas, tracking, and sync.
• Provide clear, actionable written feedback to improve AI model performance.
• Develop evaluation guidelines, rubrics, and quality checks for motion design outputs.
• Build scripted technical checks for rendered video and animation deliverables.
• Collaborate with research teams to improve training data quality and consistency.

Skills

Motion design

After Effects

3D workflows

Code-driven animation

Portfolio

Tools

Remotion

HTML5 Canvas

SVG animation

Three.js

WebGL

GSAP

p5.js

TouchDesigner

Houdini

FFmpeg

Job description

Synthires is seeking a Senior Motion Designer and Creative Technologist for a remote, full-time role focused on AI model evaluation. You’ll craft real-world motion tasks, evaluate AI-generated outputs, and contribute to training data quality through rigorous feedback and documentation.

The ideal candidate has 5+ years in motion design, advanced After Effects, 3D experience, and proficiency with code-driven animation tools.