R
$190,800 – $267,100
Listed on Reddit’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
Reddit is seeking a senior data scientist to lead fraud detection and enforcement across their advertising platform, working across product, engineering, and safety teams to build detection systems and investigate emerging fraud patterns. This role suits experienced data scientists with a background in fraud or abuse detection who can translate complex analyses into scalable, production systems and influence cross-functional strategy.
Our summary, not Reddit’s wording. The full posting is on their site.
Skills this role names
- Anomaly Detection
- GenAI (Generative AI)
- Machine Learning
- Natural Language Processing
- Network Analysis
- Python
- SQL
- Statistical Analysis
Log in to see which of these are already on your profile.
What they ask for
Required
- Experience building production detection and enforcement pipelines with feature engineering, rules, models, and monitoring
- Strong knowledge of fraud detection methods including label design, precision-recall tradeoffs, calibration, and threshold selection
- Proficiency in Python or similar programming language and SQL
- Advanced degree (Ph.D. in quantitative field or M.S. with 4+ years industry experience)
- Ability to partner with Product and Engineering teams to translate analysis into production systems
- Experience working on ambiguously defined problems and deconstructing them into precise, tractable components
Nice to have
- Background in ads fraud, financial fraud, account risk, Trust & Safety, or platform integrity
- Experience applying LLMs to data science workflows like threat discovery or investigation automation
- Familiarity with complex behavioral networks and large-scale activity patterns
- Track record of influencing cross-functional roadmaps and aligning stakeholders