Senior Data Scientist - Data Foundations & AI

Plaid · Fintech · San Francisco, CA · All Cost Centers

Senior Data Scientist focused on building and operationalizing quality measurement and evaluation frameworks for AI/ML systems within Plaid's Data Foundation & AI team. The role involves defining metrics, investigating quality issues, automating workflows, and influencing roadmap decisions to ensure reliable and high-impact AI outcomes for customers.

What you'd actually do

  1. Defining quality metrics that shape product direction
  2. Turning ambiguous customer complaints into structured investigations
  3. Building evaluation systems that scale
  4. Measuring AI system effectiveness in a principled way
  5. Automating workflows using modern AI tools
  6. Influencing roadmap decisions through data

Skills

Required

  • 5+ years of experience in data science or analytics roles
  • Experience defining evaluation and metrics frameworks
  • Strong SQL and Python skills
  • Experience investigating ambiguous problems end-to-end
  • Ability to operate independently and influence stakeholders
  • Clear communication of trade-offs and insights

Nice to have

  • Experience evaluating AI or ML systems is a plus
  • Ability to thrive in a collaborative environment, working with both technical and non-technical partners to drive measurable outcomes

What the JD emphasized

  • defining evaluation and metrics frameworks
  • evaluating AI or ML systems

Other signals

  • evaluation frameworks
  • AI system effectiveness
  • customer-facing quality issues