Effects Tool Engineer

This role is based in Beijing, China.

Responsibilities:

• Build intuitive and expressive effect editing tools for end users—similar to TikTok’s Effect House
• Design real-time editing and preview experiences for visual effects
• Develop effect modules such as shaders, transitions, and animation templates
• Partner with designers and creators to iterate on interaction patterns and workflows
• Ensure performance and compatibility across web, mobile, and desktop
• Maintain code quality and scalable architecture in a fast-moving product

Requirements:

• Proficiency in JavaScript or TypeScript, with experience in large-scale frontend applications
• Experience building visual editors, design tools, or interactive UI/UX tooling
• Familiarity with performance profiling and optimisation for rendering-heavy applications
• Strong product thinking and empathy for end-user workflows (especially creative users)
• Experience with 3D engines editor (e.g., Three.js, Babylon.js, Unity, Unreal Engine)