Remote Principal Data Scientist — High-Impact Leader

reddit; United States; Remote; USD 313,000 - 365,000; Full time

Benefits offered by this job

RSUs

Medical insurance

401(k) with match

Generous vacation & parental leave

Job summary

Reddit is seeking a very senior Data Scientist to define measurement, modeling, and experimentation strategy for major consumer questions. You will partner with product, engineering, research, and community teams to turn ambiguous problems into clear scientific questions and durable analytics, guiding decisions at scale.

The role emphasizes leadership, mentorship, and the ability to influence data science direction across the organization, with a focus on long-term value and ecosystem health.

Qualifications

• Deep expertise in at least one relevant area with breadth across related domains.
• Strong ability to model and optimize systems involving users, content, communities, and feedback loops.
• Experience framing ambiguous questions and translating evidence into action.

Responsibilities

• Set the scientific direction for high-impact consumer problems (discovery, relevance, personalization).
• Build durable understanding of users, intent, needs, and behaviors.
• Develop models/frameworks representing users, content, communities, and relationships over time for production use.

Skills

Recommender systems

Causal inference

Knowledge graphs

Deep learning (PyTorch/JAX)

Tools

PyTorch

JAX

Job description

Reddit is seeking a very senior Data Scientist to define measurement, modeling, and experimentation strategy for major consumer questions. You will partner with product, engineering, research, and community teams to turn ambiguous problems into clear scientific questions and durable analytics, guiding decisions at scale.

The role emphasizes leadership, mentorship, and the ability to influence data science direction across the organization, with a focus on long-term value and ecosystem health.