Senior Developer, Front End

The Critical Mass technology team is looking for an inspired, motivated, and experienced Senior Front End 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, ES6 JavaScript, pub/sub architecture, 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.

This position can be done remotely depending on location within the US, however, this role is not eligible for hire in California, Colorado, New York, and Washington.
Due to the nature of the work with our client, a U.S. security clearance will be required.

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:

• Strong communication skills with a team-centric approach to discussion and decision making within a distributed team
• 5+ years demonstrated experience using Vanilla Javascript
• 5+ years experience using HTML5 semantic markup, CSS3, and CSS & SVG-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
• Familiarity with website operations and fluency in the typical tiers on a high traffic website
• Experience with the Atlassian suite of tools - JIRA, Bitbucket, Confluence, etc.
• WCAG accessibility experience is preferred

You May Have:

• Adobe Experience Manager (AEM) on version 6.3 or later, or enterprise CMS
• Experience with Vue.js or similar
• Experience with APIs with complex data structures
• Experience with Webpack, or other tools used to optimize and maintain front-end build systems
• Experience working in an agency environment

The Talent Team at Critical Mass is focused on ensuring we provide the best training, on-boarding, and employee experience possible! Our new hires & employees are the future of our
organization, and we want to set you up for long-term success. In effort to do so, we’d like to establish the ask that you plan to work from an office a minimum of 2 days a week. The ask stems from our want to:
Strengthen opportunity for continuous learning.
Improve collaboration and team relationship.
Increase employee engagement.
This hybrid model balances the need for individual flexibility while maintaining the relentless customer focus we provide at CM. 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. CM Liquid Talent is still an option for roles approved to be 100% remote.