Principal Data Scientist, User Ecosystem

What you’d do

Lead data science efforts to understand and improve Reddit's user ecosystem by modeling and optimizing interactions among users, content, and communities. This is a senior role focused on shaping the user/consumer flywheel. Found on the employer's careers page on Oct 21, 2026. Apply through the link.

You’ll need

• Senior data science experience
• Expertise in user/content/community modeling
• Ability to optimize feedback loop systems