We are looking for an experienced and motivated Front-End Developer (FED). The FED is responsible for completing front-end tasks and providing support to web applications. The FED is able to work independently in basic tasks, assuming ownership for the design and programming required. For more complex work, this individual will rely on existing designs and seek guidance from more senior positions. The FED should also be able to provide constant progress status to a senior level as needed and estimates for his tasks, that must be approved by his senior or technology lead of the current project.

A FED works with web applications and a variety of front-end technologies including HTML5, JavaScript and is comfortable with content management systems platforms.

You will:

• Collaborate in implementing data exchange between application layers via AJAX 
• Works closely with Creative, Business, Technology and QA teams to ensure quality and punctual web development 
• Translates graphical designs and wireframes into fully styled markup code 

• Implements technical solutions following the Capability’s best practices 
• Debugs or troubleshoots issues in existing web applications 
• Provide feedback on policies and procedures when an opportunity for improvement exists 
• Ensures concise and clear documentation is maintained by all peers for the projects as dictated by each Capability’s guidelines and best practices 

You have:

• Advanced English level (B2+/C1)
• At least 2 years of experience working exclusively with Front-End technologies (HTML/CSS/JavaScript/jQuery).
• In depth knowledge with Cross-browser and Responsive development.
• Work experience configuring, using, and troubleshooting tools such as process automation & scripting (eg. Webpack or Gulp) and pre-processing tools (eg. SASS, LESS).
• Can configure automation tools such as Webpack or Gulp and include common project tasks such as pre-processing, minification, code obfuscation, etc.
• Knowledge of design patterns (e.g., model-view-controller, observer, object-oriented, etc.) and working with several mainstream libraries and frameworks.
• Proficiency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP).
• Capable of designing and choosing a quality assurance process for the project including guidelines for unit tests, load testing, and performance testing.
• Capable of writing code compliant with modern accessibility (eg. ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices.
• Capable of working with new technologies and building proof-of-concept prototypes.
• Capable of troubleshooting, debugging, and doing root cause analysis of web platform issues.
• Plus: Experience in Adobe Experience Manager (AEM).
• Experience working with other disciplines to deliver websites.

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.

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.

We are committed to fostering diversity, equity, and inclusion within our pool of candidates, with a target of achieving at least 50% representation from underrepresented communities.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoidIf Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.htmlIf U.K. based: https://www.gov.uk/consumer-protection-rightsIf Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx