The Senior Front-End Developer (SFED) is responsible for designing and writing code and providing support to web applications. The SFED is able to work independently, assuming ownership for the design, interface and programming of simple and complex web sites. The SFED should also be able to provide solutions and estimates for their tasks in support of his/her Tech Lead

The SFED works with web applications and a variety of front-end technologies including HTML5, CSS and JavaScript, and is comfortable with content management systems.

You will:

Developing web applications that follow the latest web standards and conforms with leading-edge front-end technologies
Works closely with Creative, Business, Technology and QA teams to ensure the solution will meet the requirements and performance targets (mobile, desktop).
Owns the development of web applications and ensures they follow the overall technical architecture and design established by the technical lead
Implements user and business requirements which are composed of multiple development activities
Maintains up-to-date and complete documentation on projects as dictated by the capability’s guidelines and best practices
Debugs or troubleshoots complex issues in existing web applications
Proactively provide feedback on policies and procedures when an opportunity for improvement exists
Proactively provide guidance and support to other members of the in fulfill their tasks and improvement their performance and overall technical skills

You have:

Advanced English Proficiency (B2+ reading, writing, and conversation)
Proven experience developing applications with React JS. (Experience with Next JS and Graph QL are also highly desired)
At least 3+ years of experience working with Front-End technologies (HTML/CSS/JavaScript)
Excellent knowledge of recent development practices (Mobile First, MVC, Object Oriented development)
Fluency in at least one major mainstream JavaScript library and/or framework (eg. jQuery, Angular, React, VueJS, etc...)
Work experience with cross-browser and cross-device compatibility
Work experience with automation and pre-processing tools (eg. Gulp, Grunt, SASS, LESS)
Work experience integrating web solutions with external web services
Knowledge of design patterns (e.g., model-view-controller, observer, object oriented, etc.)
Experience pre-processing CSS styling (SASS, LESS)
Fluency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP)
Capable of writing code compliant with modern accessibility (eg. ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices
Capable of working with version control systems (SVN, GIT, Mercurial)
Capable of building proof of concept prototypes
Capable of troubleshooting, debugging, and doing root cause analysis of web applications issues
BS in Computer Science or related technical discipline; or equivalent experience as Software Developer
Experience in Digital Agencies projects, Web development projects, SCRUM/Agile software projects)

What We Offer:

Competitive benefits packages
Vacation, compassionate leave, sick days, and flex days
Access to online services for families and new parents
End-of-year closure days (not deducted form vacation balance)
Diversity and Inclusion Board with 12 affinity groups
Internal learning and development programs
And more…

At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, 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 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

This work 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.

Senior Front End Developer (React) - 4720