Expert Front End Developer Contract at Critical Mass

Critical Mass seeks an Expert Front End Developer to enhance our Communications team for a contract role from July 1 to July 31, 2026. Focus on delivering exceptional user experiences across various digital platforms.
As a senior developer, you will be tasked with ensuring pixel-perfect design implementation while optimizing website performance and accessibility. This position demands collaboration across teams and fast-paced production capabilities, aligning technical strengths with design expectations in a results-driven environment.
Key Responsibilities:
• Deliver efficient front-end implementations across devices
• Optimize for both performance and accessibility compliance
• Collaborate with design and delivery teams seamlessly
• Quickly adapt to high-velocity production needs
• Take ownership of code quality and documentation practices
Requirements:
• 5+ years of experience in HTML5, CSS3, and SASS
• Strong skills in animations and responsive website ...