Senior Developer

Cupertino, CA (On-site)

$130K/yr – $142K/yrSenior Level4+ years expContract

Posted 1 month ago

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Job Summary

Own front-end implementation and delivery for pixel perfect, responsive pages with animation rich campaigns across devices.

  • Pixel perfect front end: component level ownership and responsive design across viewports.
  • Campaign pages: animation heavy layouts built with HTML, CSS, and JavaScript tied to design system.
  • Collaboration and quality: performance, accessibility, and knowledge sharing with design and delivery teams.

Job Description

Own front-end implementation for pixel perfect, responsive pages and high velocity production with minimal onboarding.

  • Pixel-perfect front-end and responsive page creation across devices with component-level ownership.
  • Campaign layouts, animation rich pages, SVG-based motion using HTML/CSS/JS tied to design system.
  • Collaboration with Design, UX, and delivery to ensure seamless implementation and maintainability with a focus on performance and accessibility.
Critical Mass logo

Critical Mass

3.1 Glassdoor

Critical Mass is a team of 1,900 inspired folks based in 13 offices around the world, providing full-service digital capabilities for the greatest brands on Earth. Our secret sauce is our uncompromising design standards, our relentless focus on customers, and an ability to put powerful new technologies to work for our clients. We work with the best—Apple, Nike, Mars Wrigley, Nissan, Diageo, Airbnb, BMW, BNY Mellon, Johnson & Johnson, and many more—brands who strive for connected digital ecosystems and unparalleled experiences. We help them get there by gaining deep insight into their consumers and orchestrating data, AI, design, media, and tech stacks around human stories.We’re a global agency founded in Canada, but digital is our home. If you know us, then you know we’re a special, quirky place that attracts big talent and tiny egos. (We actually give out a “so f-n nice” award—lots of them). But just because we’re friendly doesn’t mean we’re not a force to be reckoned with. We’re driven. Relentless. And we live our values. We’re Critical Mass, but our friends call us CM. Please call us CM!

Founded in 1996
Calgary, Alberta, CAN
1.8K employees (728 in marketing)
43% recommend to a friend
44% CEO approval

Traffic Signals

Monthly Visitors
30.3K
Traffic Source Mix
Search
46.7%
Direct
41.5%
Referral
6.8%
Social
3.9%
Paid
1%

Headcount Trend

Current headcount: ~1.8K

Marketing Team

Marketing Team Size
347 (19% of company)
Median Career Experience
10 years
Median Tenure
4.8 years
Marketing Roles Posted (Last 30 Days)
6

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