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The Trade Desk Logo

Sr Data Scientist, Open Path

The Trade Desk

Salary not specified
Sep 30, 2025
Bellevue, WA, US
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TTD is looking to improve the buying strategy by developing metrics to quantify supply path efficiency and applying scalable data science modeling on large-scale datasets.

Requirements

  • Proficient in open-source languages, you have a strong passion for enhancing and expanding your technical skills. Your expertise includes hands-on development of statistical models and solutions utilizing open-source tools and cloud computing platforms. Has a deep understanding of the foundations of statistics, applied mathematics, and experimentation.
  • Hands-on experience building data science solutions at scale. A track record of owning a project end-to-end (from research to production), and partnership with a cross-functional team of data scientists, engineers, and product managers to deliver advanced analytics or models.
  • Strong background in causal inference and experimental design in production environments.
  • Proficiency in Python and Scala
  • Hands-on experience running large-scale workloads on distributed computing clusters (e.g., EMR, Databricks), leveraging Spark to process big datasets.
  • Experience in programmatic advertising and/or real-time auctions is a plus.
  • Experience with deep learning is a plus.

Responsibilities

  • Develop and apply causal inference methodologies to measure the efficiency of supply paths, leveraging techniques such as double machine learning, instrumental variables, propensity scoring, and synthetic control methods.
  • Define success criteria for causal measurement and ensure that model insights translate into tangible business improvements.
  • Design and analyze experiments (e.g., A/B tests) to validate model performance
  • Develop algorithms and models to proactively detect and interpret shifts in inventory supply paths.
  • Collaborate with product managers and engineers to integrate models into existing workflows, making outputs actionable and aligned with business objectives.
  • Mentor junior data scientists, fostering growth, technical excellence, and knowledge-sharing across the team.

Other

  • BS/MS with 6+ years of experience, or PhD with 4+ years of experience, in a data science role involving the full product lifecycle from ideation to production.
  • Excellent communication skills, with the ability to engage diverse stakeholders, make architectural recommendations, drive effective execution, and measure outcomes.
  • As an Equal Opportunity Employer, The Trade Desk is committed to making our job application process accessible to everyone and to providing reasonable accommodations for applicants with disabilities.