JavaScript Engineer
New York

About Moat

We help brands and media companies push the envelope on privacy-friendly models of advertising, help them make sound product decisions that involve running fewer ads, help make their ads load faster, fight botnets, and strive to de-fund fake news. We are a New York City-headquartered startup with a mission to help the world's top publishers and marketers make smarter decisions through real-­time data. Our analytics and intelligence software is used by The New York Times, Condé Nast, Kellogg's, P&G, Spotify, and hundreds of other major platforms and advertisers, and we have unique measurement integrations into Facebook, Instagram, Twitter, Snapchat, and YouTube.

About the Opportunity 

Moat writes client-side JavaScript to capture and processes terabytes of anonymous ad and Internet usage data on billions of page-views per day. This data informs advertising strategy and pricing for top US websites, advertisers, and other ad tech companies.

  • Write JavaScript that measures Ad performance and attention across millions of websites
  • Build browser extensions and crawlers that track advertising trends across the web
  • Fight fraudulent ad traffic
  • Architect technical integrations with the world’s top technology companies
  • Feed data into ad exchanges to inform real-time bidding algorithms

About You

  • BS in Computer Science, Engineering or other related field
  • Expert knowledge of JavaScript and object-oriented programming with JS
  • Knowledgeable in best practices and design patterns regarding JavaScript programming
  • Ability to write modular, testable, and readable JS code
  • Familiarity with test frameworks
  • Deep understanding of cross-browser differences, JS performance tradeoffs, and profiling and debugging tools
  • Resourceful, experimentation-driven approach to solving unstructured, data-oriented JS challenges
  • A passion for fast, abstract, maintainable and efficient code

About the Team

  • We are passionate, excited, and thrive in a fast paced culture.
  • We love sharing our knowledge and learning about new technologies.
  • We are the type of people who take risks when looking for novel and creative solutions to complex problems.
  • We care about solving big-picture, systemic problems—looking beyond the surface to understand root causes so that we can build complete and long-term solutions.


All offers for employment with Moat are contingent upon successful completion of a background check.

Our organization participates in E-Verify.


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