Senior Front-End Developer for Communications
Critical Mass • calgary, ab • Posted June 01, 2026
About the Role
Join Critical Mass as a Senior Front-End Developer in our Communications team for a contract role. You will deliver pixel-perfect designs and optimize web performance for high-visibility projects.
This contract position lasts from July 1 to September 25, 2026. You'll collaborate with design, UX, and delivery teams to ensure seamless implementations for consumer-facing websites. Your expertise in HTML5, CSS3, and responsive design will be essential to meet tight deadlines and maintain high standards.
Key Responsibilities:
• Deliver pixel-perfect front-end implementations for all devices
• Collaborate closely with Design and UX for optimal results
• Optimize web performance and ensure WCAG compliance
• Produce clear code with thorough documentation
• Jump into high-velocity production work with minimal onboarding
Requirements:
• 5+ years' experience in HTML5 and CSS3
• Proficient in responsive design and pix...
This contract position lasts from July 1 to September 25, 2026. You'll collaborate with design, UX, and delivery teams to ensure seamless implementations for consumer-facing websites. Your expertise in HTML5, CSS3, and responsive design will be essential to meet tight deadlines and maintain high standards.
Key Responsibilities:
• Deliver pixel-perfect front-end implementations for all devices
• Collaborate closely with Design and UX for optimal results
• Optimize web performance and ensure WCAG compliance
• Produce clear code with thorough documentation
• Jump into high-velocity production work with minimal onboarding
Requirements:
• 5+ years' experience in HTML5 and CSS3
• Proficient in responsive design and pix...