Reddit, Inc. · 4 months ago
Senior Data Scientist, Ads
United States
Full-time
Remote
Senior Level
$191K/yr - $267K/yr
5+ years expReddit is a community-driven platform that thrives on shared interests and authentic conversations, boasting over 101 million daily active users. They are seeking a Senior Data Scientist to enhance their advertising platform by developing and applying advanced data science models and methods, collaborating with cross-functional teams to drive impactful solutions.
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Responsibilities
Design, develop, and apply DS solutions to inform improvements in advertiser experience and Reddit's ad platform
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
Develop ML models & DS methods to improve anomaly detection, prediction, & pattern recognition
Communicate findings and recommendations to stakeholders across the organization
Stay up-to-date on the latest advancements in machine learning and data science
Mentor and guide junior data scientists on the team
Qualification
Required
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
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
Preferred
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
Comprehensive Healthcare Benefits and Income Replacement Programs
401k Match
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Reddit Global Days Off
Generous paid Parental Leave
Paid Volunteer time off
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
1001-5000 employees
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Leadership Team
Steve Huffman
CEO
Chris Slowe
CTO
Recent News
2026-01-22
initialized.com
2026-01-21
2026-01-16
Company data provided by crunchbase