# Principal Data Scientist, Ads

Hiring organization: [Reddit](https://career.thegoodapps.co/organizations/reddit)

Canonical page: https://career.thegoodapps.co/jobs/12f12190-26ab-4e92-a6b5-f26509d3fceb

Listed on Reddit's own careers site. Applications go to them directly.

- Seniority: Principal
- Location: Remote - United States
- Remote: yes
- Salary: 268000 – 365100 USD per year

## Summary

Reddit is hiring a Principal Data Scientist to lead the strategic direction of their ads marketplace, building foundational models for measurement, prediction, and optimization. This role suits a quantitative leader with deep expertise in statistical modeling, causal inference, or economics who can shape the future of their ads platform and mentor senior scientists.

_Our summary, not Reddit's wording._

## Skills named

A/B Testing, Machine Learning, Python, R, SQL, Statistical Analysis

## Required

- Demonstrated expertise in ads marketplace, auctioning/bidding, ads creative evaluation, or measurement and experimentation at scale
- Master's degree or Ph.D. in Economics, Statistics, Computer Science, Operations Research, or related quantitative discipline
- 12+ years industry experience in applied science, data science, or machine learning (for M.S. holders); 8+ years (for Ph.D. holders)
- Advanced proficiency in Python or R and SQL
- Experience with statistical analysis, economic modeling, machine learning, or optimization techniques
- Strong understanding of experimental design, causal inference, or A/B testing
- Exceptional problem-solving and communication skills with track record of influencing product and engineering partners
- Experience in fast-paced, ambiguous environments with cross-functional teams
- Proven experience influencing large organizations (500+ engineers/data scientists) on technical direction and machine learning best practices

Apply on Reddit's site: https://job-boards.greenhouse.io/reddit/jobs/7330347