Senior React Developer

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The Critical Mass technology team is looking for an inspired, motivated, and experienced senior web developer to join our team. We are an experience design agency with a focus on the customer, which means that multi-discipline collaboration and prototyping are at the heart of our process.

This role will join a talented team working on Nissan and Infiniti. We're using the latest technologies including React, GraphQL, Gatsby and a clean component-based approach to deliver reusable, innovative, and responsive experiences. Web performance & accessibility are also key concerns because of their respective importance to user experience and perception of a premium experience.

• Collaborate with Design and UX to prototype user interactions
• Mentor other front-end developers
• Ensure compatibility of code across devices and viewport sizes
• Assess and optimize page performance and WCAG compliance
• Work with delivery team to ensure overall quality of the experience and support this with tests and documentation

• Strong communication skills with a team-centric approach to discussion and decision making within a distributed team.
• Experience building creative experiential sites with frameworks such as: Three.js, GreenSock, etc.
• Expertise in JavaScript - specifically with ES6, and React.
• Experience using HTML5 semantic markup, CSS3, and CSS3 & code-based animation on responsive consumer-facing websites.
• Full command of Git, the terminal, continuous deployment and integration, and other modern fundamentals.
• Strong troubleshooting ability and technical analysis skills - web performance optimization included.
• WCAG accessibility experience is preferred.
• Agency experience preferred.

• WebGL/GLSL experience
• VR/AR experience
• Unity/Unreal

Critical Mass is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We do not tolerate discrimination on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. If you are an individual with disabilities who would like to request an accommodation, please reach out to accommodations@criticalmass.com.