Data Scientist, Ads
Reddit, Inc.
Job Overview
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Job Description
About Reddit
Reddit is a community of communities, built on shared interests, passion, and trust. It is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 121 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com.
The Opportunity in Ads
Advertising is Reddit’s primary revenue driver, and we have an ambitious goal to turn it into a massive business. Although several large digital ad platforms already exist, advertisers are being increasingly drawn to Reddit because of our passionate communities. We believe our community-centric platform has created the opportunity for Reddit to build a highly differentiated ads business.
About The Ads Data Science Team
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.
About The Role: Data Scientist, Ads
We are looking for a highly motivated and experienced Data Scientist to join our growing Ads Data Science team. As a Data Scientist, Ads, 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.
Responsibilities
- 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 for improved anomaly detection, prediction, and 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.
Qualifications
- 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.
- Experience with SQL and relational databases.
- Excellent communication and presentation skills.
- Passion for Reddit and the online advertising industry.
Bonus Points
- Experience with online advertising and ad tech.
- Experience with causal inference and A/B testing.
- Contributions to open-source projects or publications in relevant conferences or journals.
Benefits & Compensation
Reddit offers comprehensive healthcare benefits, income replacement programs, and a 401k with employer match. Global benefit programs cover workspace, professional development, and caregiving support, including family planning, gender-affirming care, mental health, and coaching. Employees also enjoy flexible vacation, paid volunteer time off, and generous paid parental leave. The base salary range for the Data Scientist, Ads position is $164,200—$229,900 USD, in addition to equity in the form of restricted stock units and potentially a commission.
Key skills/competency
- Data Analysis
- Machine Learning
- Statistical Modeling
- Causal Inference
- Experimental Design
- SQL
- Python
- Spark
- Ad Tech
- Anomaly Detection
How to Get Hired at Reddit, Inc.
- Research Reddit's Ads Strategy: Study their mission, values, recent news, and employee testimonials on LinkedIn and Glassdoor to understand their unique community-centric approach to advertising.
- Tailor Your Resume: Highlight experience with large-scale data processing, machine learning, statistical modeling, and ad tech, using keyword-rich phrases found in the Data Scientist, Ads job description.
- Showcase Data Science Projects: Prepare detailed case studies or portfolio pieces demonstrating your impact in areas like ML model development, causal inference, or experimental design relevant to advertising platforms.
- Ace Technical Interviews: Practice advanced SQL, Python/R coding skills, and be ready to discuss machine learning algorithms, statistical concepts, and experimental design principles pertinent to ads data science.
- Demonstrate Cultural Fit: Express genuine passion for Reddit's mission, online communities, and the challenges of building a highly differentiated advertising business in a collaborative environment.
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