Javascript Engineer

• 60%: Building user interfaces
• 30%: Building client-side Javascript that's unrelated to UIs
• 10%: Agile process overhead and other

• 4+ years in heavy duty Javascript development, including work with AJAX. \
• Experience in building web beacons to aggregate and transmit data
• Strong knowledge of DOM Tree related issues and LESS/SASS
• Experience optimizing Javascript for high performance
• Knowledge of differences between major browser engines (Gecko, WebKit, Trident.) on how they handle the DOM
• Experience developing Angular applications on Bootstrap
• Experience with cookies, cross-domain scripting and other browser security issues
• Experience in data intensive environments, particularly with building web data visualizations with D3.
• Experience in working with working with web services, REST data exchange
• Experience with front-end development tools like grunt, bower, jsLinter

Preferred experience:

• Experience working with serverside Javascript utilizing V8 as well as Node.js and nginx experience desirable, but not required.
• Experience in design, UX and IA sufficient to hack out first versions of UIs
• Experience building responsive design interfaces
• Experience in transmiting data by websockets - reactive programming model.
• Work in an Agile/Scrum environment
• Experience working with Git (Github) and continuous development environments (Jenkins)

Development of the tag management space:

• virtual tag machine, that would permit digital publishers to run tags in sandboxes on servers, which would help website owners better control cookie behavior (obeying new UK and EU rules around cookie placement)
• server-to-server data interfaces that would permit some tag providers to switch from Javascript tags to cleaner APIs.