reddit

Data Scientist, Ads

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At a Glance

Location
Canada
Work Regime
remote
Experience
3+ years
Posted
2026-02-11T11:07:37-05:00

Key Requirements

Required Skills

Data ScienceMachine LearningPyTorchPythonRSQLTensorFlow

Domain Knowledge

  • Advertising

Requirements

Advanced degree (Masters or Ph.D.) in a quantitative field such as: Statistics, Mathematics, Physics, Economics, or Operations Research

For M.S. holders: 3+ years of industry experience in applied science or data science roles

For Ph.D. holders: 2+ years of industry experience in applied science or data science roles

Strong understanding of statistical modeling, machine learning algorithms, causal inference and experimental design

Experience with large-scale data processing and analysis using tools such as Spark, Hadoop, or Hive; knowledge of BigQuery a plus

Proficiency in Python or R and experience with machine learning libraries such as scikit-learn, TensorFlow, or PyTorch

Compensation & Benefits

Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching Benefits

Comprehensive Medical Benefits & Health Care Spending Account

Registered Retirement Savings Plan with matching contributions

Responsibilities

We are looking for a highly motivated and experienced Data Scientist to join our growing Ads Data Science team. As a Data Scientist, you will play a key role in developing as well as applying cutting-edge DS models/methods to improve our understanding of the dynamics that drive the success of our advertising platform, and identify opportunities to accelerate that success. You will work closely with stakeholders across product, engineering, sales, marketing, and data to identify opportunities, define metrics, and build solutions that drive significant impact for Reddit.

Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform

Develop ML models & DS methods to for improved anomaly detection, prediction, pattern recognition

Communicate findings and recommendations to stakeholders across the organization

Collaborate with product, engineering, sales, and marketing partners to define product and program requirements and translate them into data science solutions

Stay up-to-date on the latest advancements in machine learning and data science

About the Company

The Ads Data Science team at Reddit leverages data to maximize advertiser value on Reddit through robust data foundations, metrics, and strategic insights generated through experimentation and cutting-edge DS methods.

We work on a wide range of challenging problems in the areas of ads targeting, relevance modeling, auction optimization, measurement, and user experience. We are a highly collaborative team of passionate data scientists and engineers who are constantly pushing the boundaries of what's possible with machine learning and statistical modeling.