Overview

Think about how people connect over shared passions every single day. Reddit is that exact digital campfire, bringing together millions of active visitors across hundreds of thousands of communities. Behind this massive exchange of ideas is a thriving advertising ecosystem that actually respects user privacy. We are looking for a Staff Data Scientist to join our Ads Data Science team and lead the charge in measurement, signal quality, and privacy. If you love wrestling with complex probabilistic models and shaping how brands connect with authentic communities without sacrificing user trust, this fully remote role is your chance to make a massive splash.

Key Responsibilities

Drive the future of ads identity by developing and implementing advanced probabilistic models for identity resolution and cross platform action linking.
Define the strategic roadmap for measurement and signal health while balancing robust ad attribution with cutting-edge privacy standards.
Collaborate closely with product, engineering, and cross-functional leaders to set high technical standards and execute critical ad initiatives.
Take deep ownership of ambiguous problem spaces within our advertising infrastructure and turn them into clear, scalable solutions.

Requirements

Extensive professional experience in data science with a heavy focus on advertising technology, measurement, attribution, or privacy-preserving tech.
Strong background in statistical modeling, machine learning, and probabilistic matching techniques.
Proven track record of taking complete ownership of complex technical domains and driving cross-functional strategic impact.
Ability to work autonomously in a fully remote environment while communicating effectively with global teams.

What You'll Gain

The freedom to work from anywhere in the world as part of a truly global and distributed team.
The opportunity to directly influence the architectural and strategic direction of Reddit's ads ecosystem.
Competitive compensation packages along with comprehensive benefits designed to support your well-being.