Senior Front End Developer
Posted on 3/24/2023
San Jose, CA, USA
Experience Level
Desired Skills
UI/UX Design
Quality Assurance (QA)
  • Advanced English Proficiency (B2+/C1 reading, writing, and conversation)
  • At least 3-4 years of experience working with Front-End technologies (CSS (SASS, LESS)/ HTML /JavaScript)
  • Experience in AEM (6.4) components creation, dialogs and HTL(modernization of existing components)refactoring (Classic UI /Touch UI/ CRX)
  • Experience dealing with Cross-browser and Responsive development
  • Excellent knowledge of recent development practices (Mobile First, MVC, Object Oriented development)
  • Work experience integrating web solutions with external web services
  • Knowledge of design patterns (e.g., model-view-controller, observer, object oriented, etc.) and working with several mainstream libraries and frameworks (jQuery, VueJS, ES6)
  • Fluency with data transfer formats and protocols popular in web applications (eg. JSON, XML, HTTP)
  • Capable of working with version control systems (GIT)
  • Capable of building proof of concept prototypes
  • Capable of troubleshooting, debugging and doing root cause analysis of web applications issues
  • Capable of consuming, parse and translate SOAP or REST web services
  • Capable of writing code compliant with modern accessibility (eg.ARIA, WCAG, Microformats, ADA, RDF) and SEO guidelines and best practices
  • Developing web applications that follow the latest web standards and conforms with leading-edge front-end technologies
  • Works closely with Creative, Business, Technology and QA teams to ensure the technology will be functional and meet performance targets on all web platforms (mobile, desktop)
  • Owns the development of web applications and ensures they follow the overall technical architecture and design established by the technical lead
  • Implements user and business requirements which are composed of multiple development activities
  • Maintains up-to-date and complete documentation on projects as dictated by the capability's guidelines and best practices
  • Debugs 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
Critical Mass

501-1,000 employees

Digital experience design agency
Company Overview
Critical Mass was founded when a design visionary and a successful entrepreneur came together with a focus on digital experiences in a rapidly evolving space. Critical Mass has helped global brands reimagine digital and transform their businesses though strategic consulting, innovative creative ideas and cutting-edge technology thinking.
  • Professional Development Spending Account that can be used for conferences, courses, subscriptions, books
  • Competitive pay and benefits
  • Match charitable donations up to $100USD
  • Flexible, reasonable work-from-home arrangements whenever possible
Company Core Values
  • Honest
  • Inspired
  • Driven
  • Purposeful
  • Real
  • Equal