Senior Data Scientist

Senior Data Scientist at Braintrust (for Reddit)

This is a THREE-MONTH engagement, with the possibility for an extension. Must have at least three hours of overlap with the Pacific Time Zone (PT).

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 Senior Data Scientist Role

We are looking for a highly motivated and experienced Senior Data Scientist to join our growing Ads Data Science team. As a Senior Data Scientist, you will play a key role in developing as well as applying cutting-edge DS models/methods to improve the adoption and performance of our advertising platform through data-driven insights. You will work closely with product managers, engineers, and other data scientists to identify opportunities, define metrics, and build solutions that drive significant impact for Reddit.

Main Job Duties

• Design, develop, and apply DS solutions to inform improvements in advertiser experience as well as Reddit's ad platform & marketplace performance
• Creating data assets (new tables, self-serve dashboards, etc.) to enable partners to answer their own data questions
• Creating reporting dashboards for product and engineering partners to understand topline metrics movements and deep dive into specific areas of interest
• Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform
• Collaborate with product managers and engineers to define product requirements and translate them into data science solutions
• Uncovering strategic insights and sharing them with stakeholders to shape future product directions
• Develop ML models & DS methods to improve anomaly detection, prediction, & pattern recognition
• Communicate findings and recommendations to stakeholders across the organization

Qualifications

• MS or PhD in Computer Science, Statistics, Mathematics, or a related field
• 5+ years of experience in data science, machine learning, or a related field
• 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
• Experience with SQL and relational databases
• Proficiency in Python or R and experience with machine learning libraries such as scikit-learn, TensorFlow, or PyTorch

Bonus Points

• Experience with online advertising and ad tech
• Experience with causal inference and A/B testing

Key skills/competency

• Data Science
• Machine Learning
• Statistical Modeling
• Causal Inference
• Experimental Design
• SQL
• Python
• R
• Spark
• BigQuery