Senior Design Engineer - AI Interfaces & Design Systems

Manifest OS; New York, Northern (NY, KY); Hybrid; USD 200,000 - 250,000; Full time

Job summary

Manifest OS in New York, NY is seeking a Senior Design Engineer who bridges design and engineering to ship AI-driven product experiences. You will own craft across micro-interactions and design systems, from prototyping to production.

The role requires 6+ years shipping features with design sensitivity and deep implementation skills in React and TypeScript, plus experience building scalable design systems and motion design.

Qualifications

• 6+ years of experience shipping features requiring both visual design sensibility and deep technical implementation.
• Experience building or evolving design systems, including token architecture and component APIs.
• Fluency in React and TypeScript with strong opinions on state management and architecture.
• Strong emphasis on motion design and micro-interactions to createalive interfaces.
• Mentored other designers or engineers on craft and quality.

Responsibilities

• Own the craft bar for the entire product experience, from micro-interactions to design systems.
• Prototype, validate, and build patterns for streaming AI conversations and agentic workflows; work with fast iteration."
• Lead and elevate the team's craft standards, ensuring accessibility and performance best practices.

Skills

Design && engineering</s>

React

TypeScript

Design systems

Motion design

Accessibility

Mentoring

Component architecture

Tools

Framer Motion

GSAP

Job description

Manifest OS in New York, NY is seeking a Senior Design Engineer who bridges design and engineering to ship AI-driven product experiences. You will own craft across micro-interactions and design systems, from prototyping to production.

The role requires 6+ years shipping features with design sensitivity and deep implementation skills in React and TypeScript, plus experience building scalable design systems and motion design.