Design Engineer — Front-End React/TypeScript UI Library

present of AI; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

present of AI is looking for an early engineering hire who sits between design and code to build a React and TypeScript component library. You will turn Figma designs into polished, accessible interfaces with a strong focus on performance and maintainability.

A five-year front-end track record, good typography sense, and sound judgment are valued alongside ownership of quality and UI changes. The role touches an agent-focused product, requiring collaboration with founders and cross-functional

Qualifications

• About five years of front-end experience.
• Strong eye for typography and motion; performance and maintainability matter.

Responsibilities

• Turn Figma designs into polished, accessible interfaces.
• Own quality and review UI changes; ensure consistency.
• Build and contribute to a React/TypeScript component library.
• Collaborate closely with founders and design/engineering partners.

Skills

React

TypeScript

Front-end development

Accessibility

Performance optimization

Tools

Figma

Design systems

Job description

present of AI is looking for an early engineering hire who sits between design and code to build a React and TypeScript component library. You will turn Figma designs into polished, accessible interfaces with a strong focus on performance and maintainability.

A five-year front-end track record, good typography sense, and sound judgment are valued alongside ownership of quality and UI changes. The role touches an agent-focused product, requiring collaboration with founders and cross-functional