Hey, I'm Jules Simplicio and I work on design systems.


Work experience

Design Developer @ Mozilla

2021–Present

I'm leading design systems for Mozilla's Firefox. I established our team's issue tracking and roadmap system, design libraries for UI components and visual styles, a hub for documentation, and tools for user support and communication.

I am currently working on a web components library and design tokens.

Product Designer @ Sprout Social

2019–2021

I led the design of social media publishing features during a major design refresh using the company's new design system Seeds.

I designed, developed, and documented reusable UI components and design patterns into libraries for designers and developers and a public-facing documentation site. I also developed a plugin for the organization and presentation of the team's design files.

Product Designer @ dscout

2016–2019

I led the design of user research products and features for both researchers and participants during a major design refresh.

I created UI component and style guide libraries for designers and developed UI components for the counterpart developer library.

Older roles

2013-2016