Data Scientist

Petra Labs

• $120K — $145K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in research and data analysis
  • Proficient in Python and SQL
  • Strong background in statistical methods and experimental design
  • Experience in early-stage or ambiguous environments
  • Effective communicator with ability to influence stakeholders

Responsibilities

  • Drive in-house research on consumer LLM behavior
  • Support product and engineering teams with analysis and experimental insights
  • Design and analyze experiments to gather data
  • Develop methods for causal inference in product decisions
  • Transform research insights into actionable product enhancements

Benefits

  • Opportunity for published research
  • Work on cutting-edge consumer technology
  • Collaborative environment with product and engineering teams
  • Exposure to high-impact decision-making processes
Full Job Description
What You'll Do
  • Drive our research. Shape the direction of in-house research on how consumer LLMs search, reason, and synthesize sources. Stay on top of frontier AEO/GEO research, form hypotheses, and test them with scientific rigor. Your work will be published.
  • Set the standard for data-driven decision making. Support the product and engineering teams with the analysis and experiments behind key product decisions, from our agent evals to changes in our core analytical pipelines.
  • Run experimentation and causal inference. Design and analyze experiments, and build measurement even when clean A/B tests aren't possible.
  • Turn research into a product. A finding about model behavior is only true for the moment it was measured, and the models change constantly. Build the data pipelines and recurring measurement that keep our research live rather than a snapshot, and push the durable findings into the product.


You'll Excel in This Role If You
  • Are an expert in Python and SQL
  • Have strong statistical and experimentation foundations in experiment design, effect estimation, and evaluation metrics
  • Have built in early-stage, nebulous environments and can strike the right balance between speed and rigor
  • Communicate clearly in writing and in person, and can influence stakeholders with evidence

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