Senior Developer

Critical Mass(1 month ago)

HybridFull TimeSenior$140,095 - $187,484 (estimated)Engineering

About this role

Senior Front-End Developer at Critical Mass who leads front-end efforts across projects, influences architecture, and contributes to team growth. The role partners with cross-functional teams to deliver accessible, responsive web experiences and supports onboarding and mentoring of other developers. New hires are expected to work from the office a minimum of three days per week in Zona Franca Metro, Heredia.

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Required Skills

JavaScript
HTML5
CSS3
Sass/Scss
Responsive Design
Cross-Browser
Front-End Architecture
UI/UX
Git
Code Reviews

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About Critical Mass

criticalmass.com

Critical Mass is an award‑winning, full‑service digital experience design and marketing agency founded in 1995 and headquartered in Calgary, Canada. With a relentless focus on the customer, they combine strategy, design, technology and marketing to create digital products and experiences that drive business growth. Critical Mass serves global clients from offices across the US, UK, Hong Kong and South America.