JavaScript Frontend Developer

Job Description

We are looking for a JavaScript Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include building & implementing web client libraries for instrumentation. You will work with both front-end and back-end software engineers to build all client-side logic. You will also be bridging the gap between the client side libraries and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions.

Experience: Minimum 5 years

Responsibilities

• Develop client side libraries (JavaScript)

• Build reusable code and libraries for future use

• Optimize applications for maximum speed and scalability

• Assure that user input is validated before submitting to back-end services

• Collaborate with other team members and stakeholders

• Troubleshoot client library issues & performance

Skills and Qualifications

• Strong understanding of JavaScript, its quirks, and workarounds

• Basic understanding of web markup, including HTML5 and CSS3

• Should have the knowledge of one or more advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.

• Good understanding of asynchronous request handling, partial page updates, and AJAX

• Proficient understanding of cross-browser compatibility issues and ways to work around such issues

• Familiarity with JavaScript module loaders, such as Require.js and AMD

• Familiarity with front-end build tools, such as webpack

• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN

• Good understanding of browser rendering behavior and performance

• Familiarity with CDN platforms like Akamai

• Nice to have familiarity with AWS stack

Qualification

• {{List education level or certification you require}