The Front-End Developer (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 CSS. 

You will:

• Collaborate in implementing data exchange between application layers  

• 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:

• At least 2 years of experience working with Front-End technologies.
• BS in Computer Science or related technical discipline; or equivalent experience as Software Development in exact areas of expertise required for CM (Digital Agencies projects, Web development projects, SCRUM/Agile software projects).  

• Knowledge of Cross-browser and Responsive development 

• Work experience designing and developing web applications using HTML, CSS and JavaScript. 

• Understanding of recent development practices (Mobile First, MVC, Object Oriented development) 

• Work experience with cross-browser and cross-device compatibility 

• Proficiency using design tools (such as Photoshop, Illustrator, Figma and Sketch) 

• Proven fluency and practical experience in React, ideally complemented by knowledge of other major JavaScript libraries or frameworks. 

• Work experience integrating with backend APIs and services. 

• Understanding of web design patterns (e.g., model-view-controller, observer, etc.) and modern web design practices (eg. Responsive Web Design) 

• Experience debugging or troubleshooting web applications, preferably using debugging tools such as browser-plugins, IDEs or debugging proxies. 

• Experience working with version control systems (Git Hub) 

• Work experience with data transfer formats popular in web applications (eg. JSON, XML)  

• Knowledge in accessibility and SEO best practices. 

• Knowledge in CSS pre processors (like SASS and LESS)
• Desirable English Proficiency (B2+ reading, writing, and conversation)  

Nice to have: 

• Experience with Adobe Experience Manager (AEM) for content and component development.

• Practical experience using GraphQL to build and query APIs.

What We Offer

• Maternity and parental leave extra days
• 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 from vacation balance)
• Diversity and Inclusion Board with 12 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts
• 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.

Critical Mass is an equal opportunity employer. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.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