Juniper Networks is seeking an outstanding UI engineer to help design and develop the front end of our web applications, Assist with UI development and standardization efforts.
Develop and document standards, design patterns, and re-usable front-end components. 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
- Create Dreamweaver-friendly templates for internal publishers


Required Technical Qualifications:
- Fanatical commitment to producing clean, quality code that is easy to maintain and re-use.
- Ability to rapidly prototype interface designs in hand-coded, valid, WC3 standards-compliant, and semantically-rich code and be aware of cross-browser compatibility and bugs.
- 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 CSS (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
- Solid understanding of JavaScript and the JQuery and EXTJS frameworks and be able to write plug-ins from scratch.
- Framework/library design, implementation, and maintenance experience a plus
- Experience with a versioning systems such as Subversion
- Experience with other scripting languages and frameworks a plus (ASP, perl, ruby, .NET) is helpful but not required.
- Must be able to show recent project work and/or make code available for review
- Knowledge of human factors and usability, best practices for interface design

Please send portfolio links to mharen at juniper dot net, thanks!