"The front page of the internet," Reddit brings over 330 million people together each month through their common interests, inviting them to share, vote, comment, and create across thousands of communities. Come for the cats, stay for the empathy.

Monetization is often the most data-heavy, latency sensitive and technically demanding part of any online business. Our Ads Engineers work on the newly released Reddit Ads platform, all the way from the front-end tools for ad creation to predictive modeling, delivery, auctions, and attribution.

The Ad Delivery team is one of the core engineering teams in the Ads group. It is responsible for building and maintaining critical components that make up Reddit's ad serving platform. This includes:

  1. Service-oriented architecture responsible for serving a high volume (500+ MM per day) of ads requests under a strict latency SLA of 100 milliseconds per request
  2. Mission critical real-time streaming and batch processing systems used for pacing, billing and analytics
  3. Control System that paces advertising budgets intelligently to ensure optimal ROI for advertisers
  4. Real-time reporting backend system that provides advertisers insights into how their ad campaigns are performing

If you appreciate real technical challenges and you'd like to be part of the team that turns Reddit into a sustainable, long-term business, come join us!

 Responsibilities:

  • Build and maintain Reddit's native ad server and real-time bidding platform.
  • Build real-time reporting systems to give advertisers insights into their performance.
  • Understand Reddit user behavior to help optimize campaigns.
  • Write ruthlessly efficient code that fits the low-latency requirements of the industry.
  • Work at multiple levels of the stack to build out new features.

Qualifications:

  • 5+ years of relevant experience.
  • Software development experience in one or more general purpose programming languages (Java, Go, C++).
  • Able to take complete ownership of a feature or project.
  • An interest in the advertising business and understanding customer needs.
 

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