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Senior Applied Scientist

The Trade Desk
Location
London
Posted
27 days ago
Department
Data Science
What they actually want (must-haves)
  • 5+ years of experience in a data-driven or applied ML role, or 3+ years with a PhD
  • Hands-on experience with Python and a deep learning framework such as PyTorch
  • Experience with Databricks, Spark, Delta Lake, and Unity Catalog
  • Strong SQL skills
  • Experience tracking experiments and models with MLflow or a similar tool
  • Experience serving models in production
Nice to have
  • Advanced degree in a quantitative field
  • Experience with routing, prompt optimization, or memory systems for agents
  • Hands-on experience with guardrail or safety systems for AI-facing products
  • Experience with orchestration or workflow tooling such as Ray, Airflow, or Dagster
What the job really is

As a Senior Applied Scientist at The Trade Desk, you will design and develop AI applications, specifically focusing on the AI Assistant. Your role involves driving the evaluation platform, optimizing prompts, maintaining safety frameworks, and mentoring other scientists and engineers. You will be responsible for turning research into practical applications while collaborating closely with engineering teams throughout the product lifecycle.

Things to weigh
  • No salary listed
  • The role requires a strong sense of data and model intuition, which may be challenging in a fast-moving environment
  • Expectations for mentoring and guiding others may require significant interpersonal skills
  • The position involves working on an agile, distributed team across multiple time zones, which may affect work-life balance
Job score3/5
Benefits1/5
Freshness4/5
Career value5/5
Role clarity5/5
Pay transparency0/5

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