UI / Front-End Developer

Job Description

About Us

We are [REDACTED], a fast-growing SaaS startup transforming the management of fitness centers and multi-site operators. Our all-in-one platform helps gyms and studios centralize their operations, automate their communications, and maximize member retention.

Backed by over CAD $4M in seed funding and participants in the Google for Startups Accelerator, we are experiencing sustained growth across North America. With an AI-first vision and a culture of continuous experimentation, we are a team that truly builds.

The Role

As part of our platform modernization, we are recruiting a UI/Front-End Developer to build and implement our design system. This is a foundational role: you will be responsible for bridging the gap between design vision and technical implementation, working in close collaboration with our UI/UX designer.

The profile we are looking for is a hybrid one: someone who starts from design (Figma, UI), masters CSS, and goes all the way to integration in React.

Key Responsibilities

Design System Implementation

• Build and maintain a React component library using Storybook, based on our Figma designs.
• Create reusable components following atomic design principles.
• Establish design tokens, usage patterns, and associated documentation.

Integration & CSS

• Deliver pixel-perfect, responsive, cross-browser compatible interfaces (web and React Native mobile).
• Write clean and maintainable CSS, taking into account our existing codebase constraints.

Legacy Code Modernization

• Progressively refactor HTML/CSS/jQuery/JavaScript code toward modern standards.
• Maintain backward compatibility while improving code quality and consistency.

Collaboration & Tools

• Work closely with our designer to validate…