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Front-End Engineer, contract position

Juniper Networks is seeking an outstanding UI engineer to help design and develop the front end of our web applications. This position is for a self-motivated individual who enjoys technical challenges.

Primary Responsibilities:

• Help develop and document global CSS/JavaScript architecture as it pertains to the implementation of an asset server.
• Collaborate with designers to develop brand appropriate, reusable UI components within existing style guidelines.
• Contribute the the upkeep and maintenance of an internal pattern library and UI guidelines resource.
• Implement user interfaces in XHTML/CSS/JavaScript/AJAX in a clean, reusable manner and provide insightful guidance on interaction design and usability.
• Translates wireframes/workflow/data elements into high-resolution UI design mockups using clean, standards compliant XHTML and CSS.
• Collaborate with Project Managers to determine technical specifications for web application user interfaces .

• Perform code reviews of the UIs developed by others

• 4+ years relevant work experience building RIA UIs
• Be able to experiment and create high-resolution UI prototypes from scratch with an emphasis on quality, standards compliant code.
• Expert knowledge of cross-browser & cross-platform (X)HTML, JavaScript and AJAX, Web Standards
• Expert, in-depth knowledge of CSS positioning, hierarchy, inheritance and (X)HTML/CSS architecture. Must be able to demonstrate effective uses of CSS and style inheritance, cross browser workarounds.
• Must be able to demonstrate a solid understating of the DOM.
• Experience in defining CSS/JavaScript architecture
• Familiarity with JavaScript/AJAX frameworks and libraries, particularly jQuery.
• Framework/library design, implementation, and maintenance experience a plus
• Experience with a versioning systems such as Subversion
• Knowledge of JSP, Java, and Java Servlets

• Experience with other scripting languages and frameworks a plus (ASP, perl, ruby, .NET).