San José, Costa Rica

The Critical Mass technology team is looking for an inspired, motivated, and experienced web 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, GraphQL, 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.

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.

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:

Advanced English level (B2+/C1)
Strong communication skills with a team-centric approach to discussion and decision making within a distributed team
Expertise in JavaScript - specifically ES6 and React
Experience using HTML5 semantic markup, CSS3, and CSS3 & code-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

You may have:

WCAG accessibility experience
Experience with enterprise-grade content management platforms such Adobe Experience Manager
Agency experience

What We Offer

Global maternity and parental leave
Competitive benefits packages
Vacation, compassionate leave, wellness days, and flex days
Six free therapy sessions through Therify
Access to online services for families and new parents
Hybrid work options
Extensive winter holiday office closures
Summer Fridays (off at 3:00 PM local time every Friday)
Diversity and Inclusion Board with 12 affinity groups
Funding towards internal learning and development
Enterprise-wide employee discounts

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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Critical Mass is hiring a

Senior Developer, React