Critical Mass is hiring a

Senior Content Author

San José, Costa Rica

The Senior Content Author (SCA) is responsible for designing components and providing support to web applications. The SCA is able to work independently, assuming ownership for the design and authoring of simple and complex web sites. The SCA should also be able to provide estimates for their tasks and assume ownership for these estimates.

The SCA 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:

  • Building web applications that follow the latest web standards and conforms with leading-edge front-end technologies, using the components implemented by the Development team
  • Works closely with Creative, Business, Technology and QA teams to ensure the technology will be functional and meet performance targets on all web platforms (mobile, desktop)
  • May help oversee and test the development of components
  • Implements user and business requirements which are composed of multiple authoring 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

You have:

  • At least 3-4 years of experience working with content management systems (AEM, Sitecore, TeamSite)
  • English proficiency (B2+/C1).
  • Excellent understanding of content management systems and its components/templates
  • Knowledge of Cross-browser and Responsive development
  • Knowledge of recent development practices (Mobile First, MVC, Object Oriented development)
  • Basic work experience on Front-End technologies (e.g. HTML, CSS, JavaScript)
  • Basic knowledge of design patterns (e.g., model-view-controller, observer, object oriented, etc.)
  • Basic knowledge of pre-processed CSS styling (SASS, LESS)
  • Fluency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP)
  • Capable of building proof of concept prototypes
  • Capable of integrating a web solution based on a Content Management System
  • Capable of troubleshooting, debugging, and doing root cause analysis of web applications issues. 

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 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 [email protected].

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#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

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