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Senior Software Engineer, Controller

Quantcast / London / Engineering & Modelling
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Job Overview

At Quantcast, we use technology to help brands and publishers understand, reach and influence the constantly-changing behaviors of consumers. The Real-time Bidding Platform owns and operates the large scale distributed stack which allocates millions of dollars of advertising budget to billions of bid opportunities streaming into the system. If you’re interested in working on these critical, fast, large scale distributed systems then we’d like to meet.

As an engineer on the controller team you will work side-by-side with Modeling & Product to build & maintain intelligent control systems that power our real-time bidding engine. You’ll design and code mission-critical systems that enable accuracy and efficiency in bidding decisions a few million times per second, with an emphasis on reliability and reproducibility. You enjoy working with technical teams on big problems, and you’re a highly motivated quick learner. Responsibilities:
  • Build and maintain real-time pipelines and systems that inform bidding decisions within very small latency constraints.
  • Build and maintain mission-critical monitoring and measurement systems
  • Build and maintain datasets and tools to help business customers analyze and/or debug campaign performance
  • Improve development, testing, monitoring and operational tools and processes
  • Support the team by providing regular feedback on code and design
  • Participate in team-wide on-call rotations, mentor junior engineers
  • BS or MS in Computer Science or a related field
  • 4+ years experience developing and working on distributed software systems
  • Passionate about engineering excellence, good practices and continuous improvement thereof
  • Experience delivering improvements in scale, runtime, cost, features or reliability under little supervision
  • Excellent skills in distributed system and software design, concurrent algorithms, data structures and software engineering
  • Hands-on experience creating high performance multi-threaded programs in Java, Scala, C++ or similar object oriented programming language
Bonus Points:
  • Experience in high volume data processing in the online space
  • Experience with Scala and Python mathematical libraries
  • Experience in Machine Learning

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Quantcast Overview

Quantcast is an audience intelligence and measurement company headquartered in San Francisco. Combining machine learning, a privacy-by-design approach, and live data drawn from more than 100 million online destinations, Quantcast provides software, information and advertising services for marketers, publishers and advertising agencies worldwide. Founded in 2006, Quantcast has employees in 20 offices across 10 countries.

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