Staff Software Engineer (Lead), Scale & Transport at Quantcast
San Francisco, CA, US

At Quantcast, data is king, and the Scale & Transport team knows how to process it. The unique features of our custom map-reduce implementation include a revolutionary petabyte sort mechanism, an efficient and flexible petabyte join and lookup, based on innovative data indexing and partitioning mechanisms, dynamic task size adjustment in running jobs, and a self-tuning system that learns and improves job performance without developer intervention. In the last 5 years it has allowed Quantcast to scale from processing 400 to 40,000 terabytes of data per day.  For a workload consisting primarily of ETL, analytics, and data mining, our big data processing platform is on average 4 to 5 times more efficient than the most popular open source map-reduce system.

Now Quantcast is looking to marry the ergonomics of Spark with the adaptability and performance of our home-grown stack.  Are you the Staff Engineer who can bring us into the next generation of distributed computing? You would integrate and improve new open source technologies and invent your own.
Responsibilities

    Co-own the vision for peta-scale computation at Quantcast, from strategy to implementation
    Work with engineers using Quantcast’s distributed computing infrastructure to anticipate and meet their needs, with an eye to business value
    Design and develop high performance distributed computing systems
    Diagnose and solve big data problems with system engineering solutions
    Perform design, architecture, and code reviews
    Mentor and grow junior team members
    Innovate in the big data space: lead, not follow

Requirements

    BS in Computer Science or equivalent experience
    8 years of industry experience in software development
    Experience working & optimizing the performance of large-scale distributed systems
    Proficient in C++ and/or Java
    Strong software development skills (version control, code review, testing, release, monitoring, debugging)
    Proficiency and high level of insight into Linux OS and running software systems on Linux

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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