Sr. Javascript/HTML5 Developer
Doubleverify, Inc - New York, NY

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Each day DoubleVerify welcomes some of the most forward-thinking, innovative individuals into our offices and encourages them to move their career ahead in a hard-working, rewarding environment. Our people represent the finest minds in the emerging field of online advertising technology and media verification and are constantly working together to make breakthroughs that change the face of a rapidly growing industry. DoubleVerify is developing the technology and services to make the digital space exponentially safer and more transparent. Whether in our Manhattan headquarters, our engineering hub in Tel Aviv, or London’s sales offices, the DoubleVerify team members are recognized for their unparalleled ability to collaborate and produce robust solutions for clients in every corner of the business. We are looking for difference makers to add to the DoubleVerify team and bring new ideas to the table. Think you are up for the challenge?

Position Overview:
DoubleVerify is looking for talented Javascript Developers to join our New York R&D team. In this role you will use the latest industry standards and technologies to enhance our tracking pixel technologies; specifically the tracking pixel in monitoring online advertisements, detecting whether an ad is actually viewed, blocks ads from running on in appropriate sites, etc. Performance and security consideration will guide you as your code is going to run on over hundreds of billions of ads per year. We look for our team members to be creative and original in finding new ways to further enrich our products.

Specific Responsibilities:
Solving seemingly unsolvable problems in Web client environments

Optimizing enterprise level solutions that run over billions of web pages each day

Design and implementation of tracking pixel services implemented in JavaScript, leveraging HTML, HTML5, CSS and other standards

Researching and innovating around client side technologies such as seeing through cross domain iframes, real time ad blocking, etc.

Defining the guidelines and conventions for other Client Side developers in the organization

Mentoring and reviewing the work of the other team members on client side code

Improving the JavaScript unit testing framework for automatic and continuous testing

Position Requirements & Experience:
Out of the box thinker. Magician.

BS/MS in Computer Science or related field

At least 5+ years of experience in JavaScript development, dealing with cross browser compatibility and cross domain security issues.

Ability to work on a low-level JavaScript solutions without libraries or frameworks

Experience with client/browser side development leveraging AJAX/REST/JSON/JSONP API’s

Deep knowledge of HTML and HTML5 specification

Ability to write complex Regex expressions

Experience working within the Online Advertising space is strongly desired

Good communication skills - a team player

Experience with common JavaScript packages like JQuery, EXTJS, YUI is an advantage

Experience with templating systems ( Velocity , JQote , etc) is a strong plus

Prior experience working in an agile environment is a plus

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