Senior Software Engineer, Publisher

Quantcast is hiring a Senior Software Engineer to work on our Publisher Engineering team in our San Francisco office. Quantcast’s Publisher Engineering team is responsible for developing products to deliver valuable audience insights and products to publishers.

We have created one of the world's largest, living data-sets and uses it to bring unparalleled relevance to online advertising. By utilizing technology and big data to understand digital audiences, Quantcast solves the biggest challenges in marketing.

As a Senior Software Engineer, you will help define and improve the backend of the distributed systems that generate highly valuable insights to Publishers. You will thrive in an environment where independent decision-making based on product requirements is the norm. Individuals in this role will be excited to keep up with the fast evolving open source based big data technologies and applying it to our stack when applicable. You should be comfortable implementing APIs (in Java or Scala) that expose the underlying data for consumption by UI and/or clients.


  • You will work with your team to figure out product direction and customer needs.
  • You will develop and improve big data systems that drive our Measure insights.
  • Share knowledge and standard methodologies amongst the publisher engineering team and the wider engineering team.
  • You will work with data modeling scientists to integrate with their models.
  • You will participate in a team-wide on-call rotation to keep the systems ticking along.


  • Bachelor's or Master’s degree in Computer Science, related field and 5+ years of software development experience.
  • Extraordinary experience in programming with Java. Proficiency in Python, Scala, Go etc is a nice to have.
  • Experience in building distributed big data systems using Hadoop MapReduce.
  • Have a solid foundation of data structures and algorithms and ability to apply them to real-world problems.
  • Working knowledge of databases like Postgresql/mysql and passion for new technologies and driven to build the best products.

Bonus Points For:

  • Exposure to AWS technologies is an added advantage.
  • Exposure to data modeling and data science will be a plus.
  • Experience in creating REST API systems is a major plus.

Quantcast is a fast-growing, late-stage, pre-IPO startup headquartered in San Francisco with offices around the world. We are committed to creating an inclusive and diverse environment where everyone can confidently be their authentic self.

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