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Data Scientist

New York, New York

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Analyze data sets of millions of customers - and uncover groundbreaking solutions that have a global impact.

"You get to work on multi-million dollar projects from day one using the latest technology, and there are many training opportunities if you want to learn something new."

Sang Han — Senior Data Scientist


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Our Story

Xandr is a technology platform powering one of the largest global Advanced TV and Video advertising marketplaces in the industry. We scale our business as WarnerMedia people who independently build the Xandr platform and brand. For more than a decade, our data insights, premium content, powerful technology, and scaled direct-to-consumer distribution have given us a competitive edge — leading us to improving advertising for all brands, publishers, and consumers.

How do we do this? With talented, passionate people like you! We bring together people from diverse backgrounds and give them an opportunity to bring their ideas to life. Join our community to Make Advertising Better!

The Job

This position supports existing capabilities and contributes to the development of new methodologies and technology for data-driven TV advertising. The role also involves database architecture, management, audience forecasting, and optimization. 

The Data Scientist will collaborate with team members (TVP Research and broader Xandr teams), both to build out specific projects and to continuously teach and learn new technology and techniques.

The successful candidate will have a proven track record of applying deep, creative, rigorous thinking to solve broad technical and/or business problems and be able to communicate findings and solutions clearly to a variety of audiences, e.g. writing clear, comprehensive specs for engineers or explaining algorithmic concepts to product managers.

You Will

Develop New Data Features and Methodologies

  • Working with Xandr teams, create systems for analyzing Xandr Audience data
  • Design alternative data methodologies to maximize audience measurement accuracy and utility
  • Analyze validity and accuracy of alternative methodologies
  • Create reports for internal and external data users, explaining methodologies and audience estimates

Audience Forecasting

  • Assess accuracy of Xandr’s TV audience and campaign forecasts
  • Identify areas for improvement and contribute to methodology enhancement
  • Brainstorm new and enhanced methodologies based on product requirements
  • Design steps for processing and cleaning of data and methodology implementation
  • Create programs that implement methodologies
  • Execute experiments and gather results
  • Generate performance statistics and deliver recommendations to the Data Science team
  • Collaborate with Engineering to deliver new methodologies in the product

Perform custom client analyses

  • Create analyses measuring performance KPIs for stages of the advertising schedule lifecycle
  • Execute experiments comparing various viewing methodologies to inform best practices for clients

You Have

Accreditation, Certification, or Licenses

  • Minimum BS degree in statistics, mathematics, computer science, or related field.

Training and Special Skills

  • Practical experience with at least one of the following programming languages/platforms:  Python, R, Go, SAS
  • Experience working with and creating production-level data architectures.
  • Familiarity with AWS services
  • Extensive experience with SQL
  • Good applied statistics skills, such as statistical testing, regression
  • Understanding of the following principles: Time Series, Feature Engineering, Data Manipulation & Cleaning
  • Experience deploying machine learning models in a production environment a big plus
  • Willingness and ability to learn new techniques
  • Passion for data exploration and a desire to deliver quality analyses
  • Strong verbal and written communication skills

Our Perks

  • Comprehensive healthcare coverage
  • Flexible time off including volunteer days, vacation, and holidays
  • Professional development resources and education reimbursement
  • Paid parental leave
  • Fitness reimbursement
  • AT&T internet/phone and HBOMax discounts
  • 401k with company match

Our Culture

Xandr strives to foster a diverse, inclusive and engaging work environment. Our inclusivity in action includes:

  • Staying connected and embracing this new normal as we work from home - we may be social distancing but we're #InsideTogether
  • Creating meaningful change for our communities and pathways for future generations of diverse talent through our employee volunteerism efforts
  • Sharing insight and stories on what it’s really like to work here
  • Partnering with organizations to support our commitment to women’s advancement in tech
  • Providing accommodations for persons with disabilities, both for interviewees and for employees. Should you require an accommodation, please let us know and we’ll make arrangements


Xandr, its products and its executives have received several prestigious awards. In 2020 alone, Cablefax's annual The Faxies awards named Xandr’s EVP and GM Innovator of the Year and the Xandr technology organization Tech Team of the Year. In the same year, seven female executives were included in the Cynopsis list of Top Women in Media, and several of its products, innovations and client partnerships were recognized by esteemed outlets globally, including AdExchanger, Digiday, The Drum, ExchangeWire and Cynopsis. Concurrently, the company’s dedication to corporate social responsibility was recognized in Fast Company’s 2020 World Changing Ideas issue. Xandr was also included on Business Insider's Hottest AdTech Companies list in 2019 and 2018. 

Xandr is an equal opportunity employer. Qualified candidates will receive consideration for employment without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.

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Job ID 2153892 Date posted 11/29/2021
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