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Front End Web Developer - Javascript

In this job, you'll work on-site in Waltham, MA, building web based (moving to cloud)software used by investment advisors across the US to manage every aspect of their business.


We're looking for a senior front-end developer who can bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it behaves.

Key duties

  • Providing a presentation layer that is consistent across all supported browsers and platforms

  • Maintaining and developing user-facing features and applications

  • Building reusable code and libraries for future use

  • Assisting back-end developers and other front-end developers in coding and troubleshooting by collaborating with the team and researching solutions that benefit Commonwealth

  • Ensuring the technical feasibility of UI/UX designs

  • Collaborating in an Agile environment with other Scrum team members and stakeholders

  • Optimizing application for maximum speed and scalability

  • Maintaining graphic standards and branding throughout our product interfaces

  • Staying up to date on emerging technologies and helping to define when or if we should
    use them

  • Promoting usability and coding best practices and standards

  • Participating in all code reviews and meetings

  • Creating prototypes when needed

  • Taking on special projects, as needed

**Experience **

  • 5+ years of experience working in front-end development

  • Deep understanding of HTML5, CSS3, and JavaScript

  • Deep knowledge of cross-browser compatibility issues and ways to work around them

  • Deep knowledge of object-oriented programming; experience with TypeScript, ES6/ES2015
    a plus

  • Proficient understanding of one or more MV* frameworks, such as Knockout, Backbone, or Angular 2 (Angular 2 is a plus)

  • Familiarity with Node.js, NPM, and build systems such as Webpack, Grunt, or Gulp a plus

  • Experience with source control and code versioning tools

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

  • Experience with image authoring tools; familiarity with Photoshop a plus

  • Knowledge of advanced CSS layout methods, such as Flexbox

  • Experience working in an Agile/Scrum project process a plus

  • Familiarity with data visualization libraries such as Highcharts and D3 a plus

  • Experience working with and developing best practices for front-end development

  • Excellent attention to detail

  • Comfortable with multitasking

  • Creative thinking within a set of guidelines

  • Ability to collaborate with others

  • Great problem-solving skills


This is a 12-18 month contract assignment. You will be an employee of Horizons Recruitment, Inc. for the duration of this assignment. We are NOT able to consider corp to corp applicants. H1 transfer or other visa sponsorship is also NOT available for this position.