Senior Developer, React

The Critical Mass technology team is looking for an inspired, motivated, and experienced 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. We're using the latest technologies including React, GraphQL, 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.

The Talent Team at Critical Mass is focused on ensuring we provide the best training, mentorship, and employee experience possible!  CM new hires & employees are the future of our organization, and we want to set you up for long-term success.  In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.  The ask stems from our want to:

• Strengthen opportunity for continuous learning
• Improve collaboration and team relationships.
• Increase employee engagement

We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.

You will:

• 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

You have:

• Advanced English level (B2+/C1)
• Strong communication skills with a team-centric approach to discussion and decision making within a distributed team
• Expertise in JavaScript - specifically 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

You may have:

• WCAG accessibility experience
• Experience with enterprise-grade content management platforms such Adobe Experience Manager
• Agency experience