Senior Developer, Front End

1 Week ago • All levels

About the job

SummaryBy Outscal

A Senior Front-End Developer is needed to join our team at Critical Mass and work on BMWUSA.com. You will be using ES6, Vue.js, pub/sub architecture, and REST APIs to deliver innovative, responsive experiences, prioritizing web performance and accessibility. Must-have skills include experience with JavaScript, HTML5 semantic markup, CSS3, and Git, along with a collaborative and team-centric approach.

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. This role will join a talented team working on BMWUSA.com. We're using the latest technologies including ES6, pub/sub architecture, 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 team culture thrives on a balance of collaboration and focused time, which means you won't be spending your days turning Figma files into HTML or simply pulling tickets off a JIRA queue - rather you'll be part of the design and prototyping process using data and user research feedback as input. You'll help balance the team between innovation and pragmatism. Additionally, the team has several remote members so we use screenshares and Slack as to keep communication flowing. We have a lot of fun and hope you'll join us.

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 2 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: 

  • Strong communication skills with a team-centric approach to discussion and decision making within a distributed team. 
  • Expertise in JavaScript - specifically ES6, Vue.js, pub/sub architecture, and REST APIs. 
  • Experience using HTML5 semantic markup, CSS3, and CSS & SVG-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. 
  • WCAG accessibility experience. 

You may have: 

  • Experience developing within CMS platforms, preferably Adobe Experience Manager 6.4 or newer. 
  • Experience with performance optimization techniques 
  • Experience using and configuring build automation tools (Vite, npm, etc.) 
  • Agency experience.

What We Offer:

  • Global maternity and parental leave 
  • Competitive benefits packages 
  • Vacation, compassionate leave, wellness days, and flex days 
  • Access to online services for families and new parents 
  • Extensive winter holiday office closures 
  • Early Dismissal Friday’s (off at 3:00 PM local time every Friday) 
  • Diversity and Inclusion Board with 12 affinity groups 
  • Internal learning and development programs 
  • Enterprise-wide employee discounts 

About The Company

Critical Mass is a team of 1,800 inspired folks based in 12 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!

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