translation of the UI/UX design wireframes to actual code that will produce visual elements of the website
work with the UI/UX designer and bridge the gap between graphical design and technical implementation
define how the application looks as well as how it works
develop new user-facing features
build reusable code and libraries for future use
ensure the technical feasibility of UI/UX designs
optimize websites for maximum speed and scalability
assure that all user input is validated before submitting to back-end
collaborate with other team members and stakeholders

Proficient understanding of web markup, including HTML5, CSS3
Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
Good understanding of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
Good understanding of asynchronous request handling, partial page updates, and AJAX
Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Photoshop is a plus.
Proficient understanding of cross-browser compatibility issues and ways to work around them.
Proficient understanding of code versioning tools, such as Git
Good understanding of SEO principles and ensuring that application will adhere to them.
Advanced English REQUIRED for Senior positions, basic to intermediate English is OKAY for Mid or Junior level positions
Fluent Spanish and/or another language a bonus
Excellent communicator, not afraid to speak in front of the team on Slack and other communication channels
Highly organized and able to self manage

Front End Developer

Key skills