Senior Front End Developer

6 Days ago • 4 Years +

About the job

Summary_{By Outscal}

Senior Front-End Developer with 4+ years of experience in HTML, CSS, JavaScript, React.js, and animation frameworks. Proven ability to work independently and collaboratively, implementing user requirements and ensuring code quality. Experience with cross-browser compatibility, automation tools, web services integration, and version control systems. Strong communication and problem-solving skills.

The Senior Front-End Developer (SFED) is responsible for designing and writing code and providing support to web applications. The SFED is able to work independently, assuming ownership for the design, interface and programming of simple and complex web sites.  The SFED should also be able to provide solutions and estimates for their tasks in support of his/her Tech Lead

The SFED 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:

Develop web applications that follow the latest web standards and conforms with leading-edge front-end technologies
Work closely with Creative, Business, Technology and QA teams to ensure the solution will meet the requirements and performance targets (mobile, desktop).
Own the development of web applications and ensures they follow the overall technical architecture and design established by the technical lead
Implement user and business requirements which are composed of multiple development activities
Maintain up-to-date and complete documentation on projects as dictated by the capability’s guidelines and best practices
Debug or troubleshoots complex issues in existing web applications
Proactively provide feedback on policies and procedures when an opportunity for improvement exists
Proactively provide guidance and support to other members of the in fulfill their tasks and improvement their performance and overall technical skills

You Have:

Advanced English Proficiency (B2+ reading, writing, and conversation)
At least 4+ years of experience working with Front-End technologies (HTML/CSS/JavaScript)
Fluency in mainstream JavaScript libraries and frameworks (Vanilla.js/React.js)
Experience working on animations with CSS /JS/ GSAP or similar.
Experience in Digital Agencies projects, Web development projects, SCRUM/Agile software projects)
Excellent knowledge of recent development practices (Mobile First, MVC, Object Oriented development)
Work experience with cross-browser and cross-device compatibility
Work experience with automation and pre-processing tools (e.g. Gulp, Grunt, SASS, LESS)
Work experience integrating web solutions with external web services
Knowledge of design patterns (e.g., model-view-controller, observer, object-oriented, etc.)
Experience pre-processing CSS styling (SASS, LESS)
Fluency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP)
Capable of writing code compliant with modern accessibility (eg. ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices
Capable of working with version control systems (SVN, GIT, Mercurial)
Capable of building proof-of-concept prototypes
Capable of troubleshooting, debugging, and doing root cause analysis of web application issues
BS in Computer Science or related technical discipline or equivalent experience as a Software Developer, nice to have.

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 focuses on providing 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.

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About The Company

Critical mass

94 Active Jobs

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!