Senior Front-End Software Engineer, Design Systems

Circle

full-time

Posted on: 9/24/2025

Origin: • 🌎 Anywhere in the World

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💰 $130,000 - $140,000 per year

Senior

ReactRubyRuby on RailsTypeScript

About the role

Build and maintain the component library and tools that power Circle's entire product ecosystem.
Participate in all stages of the development lifecycle, from initial design to final deployment.
Break down large epics into actionable tasks, develop reusable components, and establish patterns and best practices.
Review pull requests, ensure component architecture enables rapid, consistent product development across teams.
Bug-fixing and continuous improvement of the codebase; improve quality and identify architectural deficiencies and create paths to evolve them.
Create reusable, accessible, and performant UI components using React and Tailwind CSS.
Integrate with Ruby on Rails backend through a REST API.
Develop critical features and enhancements for the Circle community platform, internal tools, and libraries.
Work closely with leaders throughout the feature spec and design process and with designers to deliver a world-class user experience.
Establish and enforce component architecture patterns and best practices.

Strong alignment with our values, find our values on our career page if you haven’t read up on them yet.
5+ years of experience working as a Front-end engineer on complex web applications.
Strong proficiency in React, TypeScript, Tailwind CSS, libraries and bundlers.
Experience building and maintaining design systems or component libraries.
Strong judgment and attention to detail when it comes to architectural, product, design, and process decisions. Your judgment should inspire a high level of trust within the team.
A desire to work in an environment which values speed of iteration and individual autonomy, while also embracing personal accountability and the ability to collaborate effectively as part of a dynamic team.
Motivation to understand the business, our users, their needs and goals, and to deliver results.
Comfortable in a fast-paced environment with a certain level of ambiguity.
Excellent written and verbal communication skills in English.
Adaptable with the ability to change direction quickly if necessary.
Familiar with agile software development principles.
Experience working on a fully distributed remote team.