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Senior React Developer

Critical Mass
🏢 Critical Mass 🇺🇸 Cupertino, CA, US 🕑 October 23

This job offer is expired

As a Senior Front End Developer, your primary responsibilities will be to use HTML5, CSS3, JS & React to develop new features for our clients’ responsive websites. In all cases, we’re taking advantage of everything HTML5 & CSS3 have to offer, as well as the latest in responsive grid frameworks, templating engines and various JavaScript patterns for reusability and performance. Ideal candidates must have extensive experience in responsive HTML and CSS development, don’t necessarily need to be an expert in JavaScript & React, but experience and a deep passion to improve your craft is a must. The role will be mentored by a Tech Lead. Candidates will be working hand in hand with Creative and UX to fulfill client requests.


You will: 

  • Rapid prototyping with code, using modern front-end frameworks and a digital pattern library
  • Deliver solutions balancing technical and business requirements. Experience has taught you what works. Your long history in the game helps you choose the best mix of proven and cutting-edge technology.
  • Interacting with project teams to understand business and user requirements
  • Maintaining high coding standards and practices and exercise quality control on all aspects of web development
  • Problem-solving in all areas of web development

You have:

  • 5 or more years of demonstrated professional working experience hand-coding advanced HTML, CSS, HTML5, CSS3, and JavaScript
  • 2 or more years of demonstrated experience working with React and Redux 
  • Package manager and automation tool experience (npm, gulp, grunt)
  • Demonstrated understanding of Responsive Web Design principles
  • Proficiency with Semantic HTML Markup
  • Experience developing high traffic, consumer facing applications
  • Experience diagnosing and solving cross-browser/cross-platform issues
  • Experience working with cross-functional teams
  • Experience leading projects and providing mentoring to more junior developers


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