Senior UI/UX Front-End Engineer

Summary

The Senior UI/UX Front-End Engineer plays a critical role in enhancing the user experience for a high-traffic consumer platform in the sports and gaming space. The primary objective is to redesign and optimize the platform's interface to create a fast, lightweight, and seamless experience across various devices and network conditions.

Main Responsibilities

• Rethink and modernize the interface and user journeys in collaboration with the product team.
• Design and build a coherent design system and component library with light and dark themes.
• Create a distinct motion language for the application, ensuring smooth transitions and interactions.
• Write semantic, accessible, and performant HTML and CSS.
• Optimize the application’s performance considering Core Web Vitals.
• Profile performance on low-end devices and slow networks, addressing issues at their source.

Key Requirements

• Senior-level expertise in React and TypeScript.
• Deep knowledge of HTML and CSS.
• Expert web animation skills.
• Proven front-end optimization results.
• Experience with shipping web apps inside WebViews.
• Strong UI/UX sense with attention to detail.
• Daily use of AI tools for development.
• Portfolio of live interfaces or interactions.
• High availability for evening and weekend work.

Nice to Have

• Experience with design tools (Figma).
• Familiarity with PWA and caching strategies.
• End-to-end testing and automated performance measurement experience.
• Experience with high-traffic, real-time products.
• Ability to communicate in French.

Other Details

Location: Remote.