UI developer

Dellfor Technologies Open · verified Oct 24, 2026

On-site New York Arizona CityCalifornia City +17 Contract Mid-level Frontend Engineering

At a glance

Mid-level Frontend Engineering role at Dellfor Technologies. New York · contract · $60,000 base.

SalaryStated by Dellfor Technologies

$60,000

Base salary for this role, in USD per year, as published in the posting.

RoleFrontend Engineering

SeniorityMid-level

LocationNew York

WorkplaceOn-site

EmploymentContract

Base pay$60,000

PostedMar 16, 2017 · 9y ago

Also hiring inArizona City, California City, Cumming, Delaware City +15

Role brief

techroles summary, based on the employer's posting.

What you'll do

Build reusable, self-contained front-end components that can be tested independently
Connect front-end applications to APIs, including flows that use authentication and authorization
Debug JavaScript and CSS issues, and address web security risks such as XSS and clickjacking
Use and improve front-end build workflows with tools such as Grunt or Gulp

What you bring

You have five to twelve years of developer experience and a bachelor's degree or higher
You bring recent AngularJS or PolymerJS work, plus JavaScript, HTML5, CSS3, Node.js and NPM experience
You have used Protractor, Karma, Jasmine or Mocha, and Git

Who this fits

This mid-level contractor role is based onsite in New York. It suits a front-end developer who can build and test reusable components and connect applications to APIs. Applicants must be authorized to work in the United States.

From the employer

Dellfor Technologies is founded by software professionals with fresh approach, and ideas empowering clients and partners in meeting the unique challenges created by transforming business needs. Our technical, domain expertise across obust solutions. We strive to prove ourselves from project inception through completion... Our technical, domain expertise across industries and process oriented approach enables clients to develop cost effective and robust solutions. We strive to prove ourselves from project inception through completion...

To succeed in the Dellfor technologies, you need exceptional connections - to the right experts, the right opportunities and the right answers. You'll find Dellfor Technologies right in the center of this ever-changing technological world - uncovering opportunities and connecting possibilities.

As a global provider of IT staffing services, Dellfor Technologies connects the very best IT professionals to great opportunities at leading companies. And we do it every single day - for both temporary and permanent assignments and across virtually all industries. We use our insight, flexibility and expanded resources to anticipate the needs of leading tech companies and help them make exceptional connections with top tech talent.

HTML
CSS
Javascript
Cordova
Polymer
Jasmine

Recent working experience with AngularJS/PolymerJS, Javascript, HTML 5, CSS3, Node.js and NPM
Strong in HTML5, CSS3, Javascript and jQuery.
Expert in debugging Javascript and CSS.
Experience with Protractor, Karma and Jasmine/Mocha
Experience using integrating, and optimizing front end build tools (Grunt / Gulp)
Experience with source control tools (Git)
Creating self-contained, reusable, and testable modules and components
Integrated front-end applications with various types of APIs, and are comfortable with authentication and authorization (basic/OAuth/SAML)
Familiar with common web application security concerns and you know how to prevent and fix exploits (XSS/clickjacking)

Bachelors degree or Higher

Highlights and benefits