Senior Software Engineer - Targeting

3+ months agoSan Francisco, CA
Quantcast is hiring Full Stack Senior Software Engineers to join the Targeting Product Engineering team in our San Francisco office.

As the real-time pulse of the Internet, Quantcast uses machine learning to drive human learning. We’ve built one of the largest computing infrastructures in the world, collecting a constant stream of data from over 100 billion events a day, across 100+ million directly-measured destinations. In addition to this global network, Quantcast has engineered elite map-reduce and real-time processing clusters at a substantial scale, processing an average of 30+ PB of data every single day for various machine learning and data mining applications.

The targeting product engineering team develops features that enable marketers to reach the right audience for their campaigns. As a part of this, the team gets an opportunity to work with our Product Management team to shape and define the customer problem, and work across the Quantcast stack to make the right set of decisions using our real-time bidding stack to reach the audience that’s best for the marketer.

As a Senior Full Stack Software Engineer on the team, you will get an opportunity to help lead and design projects that span multiple technical challenges such as reaching multiple KPIs for marketers, targeting on multiple channels and devices, and supporting targeting when cookies go away.

In this role, you will have a major impact on how the world perceives and interacts with our products. We hope that you’ll bring your love for application development to help us build truly outstanding technology and products!


  • Work with your team to determine product direction and customer needs.
  • Work with product managers to understand and solve for customer use cases
  • Execute across the Quantcast stack to enable new marketer activation capabilities
  • Develop and improve the customer product experience
  • Share knowledge and standard methodologies with engineering teams.
  • Work with data modeling scientists to use and apply their models.
  • Participate in a team-wide on-call rotation to keep the systems ticking along.
  • Develop tool sets that enable internal teams to understand active delivery issues to our customers


  • Bachelor's or Master’s degree in Computer Science or a related field and 5+ years of software development experience
  • Expertise in programming with Java. Proficiency in another language like Python, Scala, Go etc
  • Experience with developing consumer facing web applications using ReactJS
  • Strong understanding of various web technologies and frameworks
  • 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, ElasticSearch etc
  • Curiosity for new technologies, and a desire to build the best products.
  • Object-oriented application development experience

Bonus Points:

  • Working with distributed big data systems using Hadoop MapReduce
  • Exposure to AWS technologies
  • Experience with Spark & Druid 


Quantcast is an advertising technology company and the creator of an innovative intelligent audience platform that empowers brands, agencies and publishers to know and grow their audiences online. Our solutions are leveling the playing field for our customers when it comes to effectively reaching audiences online and helping them power a thriving free and open internet for everyone. Founded in 2006 and headquartered in San Francisco, Quantcast has employees in 18 offices across 10 countries.

We are committed to building an inclusive and diverse environment where everyone can be their authentic self. We work to ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Recognizing the importance of flexible work environments, Quantcast adopted a #hybrid work model in March 2022. This model gives employees the opportunity to work from home two days a week and work in the office for team collaboration for the remainder of the time. Implementation of our hybrid model may differ based on location or team, so please consult with your hiring manager for further information. All hybrid employees can also work remotely for two weeks each year or, if eligible, apply for our fully remote work program. To ensure the safety of everyone, all U.S. and Canada employees working from a Quantcast office or who meet clients are required to be vaccinated against COVID-19. Outside of these locations, we encourage all employees to get vaccinated.
Job ID: 757aa85e-c3b8-4fe6-bb36-486c578a093e

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