Senior Front End Developer at Critical Mass

Join the Critical Mass technology team as a Senior Front End Developer. This contract role focuses on delivering pixel-perfect implementations for high-visibility consumer websites from July 1 to July 31, 2026.
As a senior level contract developer, you'll collaborate closely with Design and UX teams while ensuring optimal design execution across all devices. With significant emphasis on performance and accessibility, you'll work under tight timelines and maintain high code standards essential for successful project outcomes.
Key Responsibilities:
• Deliver pixel-perfect front-end implementations for multiple devices
• Optimize performance while ensuring WCAG accessibility compliance
• Collaborate seamlessly with Design and UX teams
• Jump into production work quickly and manage tight deadlines
• Document code and share knowledge effectively
Requirements:
• 5+ years of HTML5, CSS3, CSS/SASS experience
• Strong SVG animation and responsive design skills
•...