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Staff Data Scientist

Leads cross-team data science initiatives architecting scalable ML systems for ad marketplace optimization, bidding strategies, and prediction at exchange scale. Requires PhD with 6+ years or MS/BS with 8+ years in ML, deep learning expertise, Python/SQL, and production ML experience.

196k – 219kNew York, NYData ScienceRemote6+ YOE

About the role

Key Responsibilities

Technical Leadership & Architecture

  • Architect robust, scalable, and maintainable ML systems for broad use across the exchange, spanning training pipelines, real-time inference, validation, and monitoring
  • Serve as a go-to expert in deep learning and related advanced data science domains, with the breadth to guide method selection across adjacent areas
  • Lead the evaluation and adoption of new AI/ML modeling techniques, frameworks, and research advancements relevant to OpenX’s marketplace problems
  • Define and evolve technical standards and best practices within their domain, influencing broader adoption across the organization

Execution & Strategy

  • Identify and lead high-impact, cross-team data science initiatives, such as improving bidding strategies, building new prediction systems, or redesigning experimentation frameworks
  • In partnership with engineering and product leadership, drive the data science roadmap for a product area or platform capability
  • Partner with product managers and commercial stakeholders to translate marketplace problems into data science solutions with measurable business outcomes
  • Solve novel, ambiguous problems requiring innovation in methodology, algorithms, or feature engineering

Mentorship & Influence

  • Mentor and develop senior data scientists, helping them grow toward broader technical leadership
  • Raise the skills, impact, and scientific rigor of teams around them through guidance, architectural patterns, and strategic direction
  • Communicate technical strategy and build consensus for complex decisions across senior leadership and cross-functional teams

Required Qualifications

  • Ph.D. in Data Science, Machine Learning, Computer Science, Physics, Mathematics, Operations Research, or related technical field with 6+ years of relevant industry experience; OR M.S./B.S. with 8+ years of relevant experience and a demonstrated track record of leading cross-team technical strategy and delivering organization-level impact
  • Deep expertise in deep learning and broad fluency across the modern ML toolkit, with strong familiarity with optimization methods; additional experience in areas such as causal inference or experimentation design is a plus
  • Proven ability to architect and deliver complex, production-grade ML systems that operate at scale
  • Strong track record of nurturing DS/ML projects to maturity with significant business impact, including supporting and improving those systems beyond initial deployment
  • Mastery of probability and statistics, especially techniques that scale to massive datasets
  • Strong Python and SQL skills; experience with ML frameworks such as TensorFlow or PyTorch
  • Strong communication and presentation skills, including proficiency in conveying complex technical concepts to both technical and non-technical audiences
  • Track record of cross-team technical leadership and mentorship of senior data scientists and technical partners

Desired Characteristics

  • Experience developing, evaluating, or optimizing bidding algorithms for RTB environments
  • Experience working with a cloud platform like GCP/AWS/Azure, with emphasis on GCP and the Vertex AI platform
  • Experience with ML pipeline and orchestration tools such as TFX, Kubeflow, or Airflow
  • Familiarity with other programming languages such as Java and Go
  • Experience working in digital media, marketing technology, or advertising technology — especially in marketplace, auction, or exchange systems
  • Track record of setting technical standards or best practices adopted beyond a single team
  • Experience representing data science capabilities or strategy in cross-functional forums

Skills

PythonSQLTensorFlowPyTorchDeep LearningMachine LearningCausal InferenceGCPAWSAzureVertex AiTfxKubeflowAirflowJava

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