Senior HTML5 Developer
Lionbridge Technologies, Inc
San Jose, Costa Rica
hace 3 días

Combine the creative flair of an artist with the precise methodology of a programmer by

designing HTML5 banners and animations that bring the next age of technology right to your


  • Replicate Flash banners using Javascript, CSS and HTML
  • Propose solutions and provide estimations on projects
  • Work with the design team, tech leads and PMs
  • Develop mobile-compatible advertisements and banners
  • Coach and support junior developers in fulfill their tasks and improving their skills
  • Ensure that implementation matches the design, including syncing
  • Create Javascript animations (basic to complex level) using library animations (eg. GreenSock,
  • Tweenlite, etc.)

  • Implement HTML5 banners using Canvas, SVG and DOM
  • Optimize and adapt responsiveness to fit mobiles
  • Customize HTML, CSS, and JS code generated by various tools (eg. Adobe Canvas, Google web
  • designer, etc.)

  • Optimize HTML, CSS, and JS code to achieve maximum performance with minimum size
  • Ensure browser compatibility
  • Willing to work overtime and research online marketing resolutions
  • Create graphics and customize assets
  • Build reusable code and libraries for future use
  • Ensure the technical feasibility of UI / UX designs
  • Optimize application for maximum speed and scalability
  • Collaborate with other team members and stakeholders
  • Take storyboards and concept art all the way to highly-polished interactive experiences

  • Minimum 4 years experience in professional web design using HTML5, CSS, CSS3, and
  • Javascript

  • Proficient in HTML / XHTML, HTML5, Javascript, jQuery, and performance optimization
  • Ability to work with IDEs
  • Strong experience and background in Javascript is required
  • Experience with at least one Javascript framework is required (Ember, React, or JS-based build
  • tools like Grunt, Gulp, and Bower)

  • Strong background in HTML5 / CSS3
  • Experience working with mobile and web templates
  • Knowledge and experience in graphic design for web, Photoshop, and Illustrator is a strong
  • plus

  • Familiar with ad publishers (eg. Double Click or Sizmek)
  • Familiar with European or US styles (international standards)
  • Knowledge in W3C Standards
  • Independent, responsible, and proactive with the ability to learn and achieve superior results.
  • Strong teamwork and contribution skills
  • Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
  • Proficient understanding of cross-browser compatibility issues and ways to work around them
  • Knowledge of ASP.NET, Silverlight, SQL, high-level scripting languages, version-control, or CMS
  • systems a plus

  • Education : Bachelor Degree in Systems Engineer, Software Development or equivalent
  • Language : Spanish & English (strong in reading & writing)
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