Freelance Frontend Polymer.js developer – Amsterdam – 75 Euro per hour

For a client in the area of Amsterdam we are looking for a Freelance Front end Software Developer with POLYMER JS knowledge.

Description

You will be delivering a complete front end application with other team members. Your able to ensure high performance on mobile and desktop. You will be cooperating with the back-end developer in the process of building the RESTful API.

Primary focus will be to implement a complete user interface in the form of a mobile and desktop web app, with a focus on performance. 
Your main duties will include creating modules and components and coupling them together into a functional app. You will work in a team with the back-end developer, and communicate with the API using standard methods. You will work in release management process (Build and deploying to various environments).
You will work with client to understand the functional and business requirements.

Requirements

• Good knowledge of HTML5 concepts, CSS 3, POLYMER JS and Knowledge on coding best practice of POLYMER JS.
• Strong coding skills in POLYMER JS
• Proficiency with JavaScript, HTML5 concepts, Web Component, Service worker and knowledge of ECMA Script 6.
• Strong knowledge of POLYMER JS practices to build custom element and also integrating elements and creating polymer application.
• Strong knowledge in Accessibility standards.
• Knowledge in Web Analytics.
• Strong knowledge in writing Unit Testing Web Component Tester and E2E test using CHIMP JS for POLYMER JS.
• Knowledge on Google material design approach
• Creating self-contained, reusable [desktop & mobile], and testable components and applications
• Extensive knowledge of CSS and JS methods.