Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
Creating self-contained, reusable, and testable modules and components
Ensuring a clear dependency chain, in regard to the app logic as well as the file system
Ability to provide SEO solutions for single page apps
Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate
above 30fps at all times
Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and
other web services used in the system
Validating user actions on the client side and providing responsive feedback
Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
Creating custom, general use modules and components which extend the elements and modules of core AngularJS
Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS
to using a custom wrapper around $resource
Experience with building the infrastructure for serving the front-end app and assets
Architecting and automating the build process for production, using task runners or scripts
Documenting the code inline using JSDoc or other conventions
Writing extensive unit tests using automated TDD tasks