Senior Data Scientist, Ads at Reddit
Confirmed open
Reddit is hiring a US-remote Senior Data Scientist to improve advertising measurement, campaign intelligence, advertiser growth and monetisation.
- Location
- Remote
- Work arrangement
- remote
- Technologies
- Python, SQL, PyTorch, TensorFlow
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Role overview
Reddit’s Ads Data Science team uses data foundations, metrics, experimentation and advanced methods to improve advertiser value. This Senior Data Scientist role works across ad measurement, campaign and creative management, growth, retention and monetisation.
Responsibilities
- Develop analyses and models that improve advertising measurement, campaign performance and advertiser outcomes.
- Design metrics and experiments and communicate results to product, engineering and business partners.
- Support advertiser growth, retention and monetisation through evidence-based recommendations.
- Partner with data and analytics engineers to build reliable datasets and measurement foundations.
- Translate ambiguous business problems into measurable questions and practical decisions.
- Share methods, mentor colleagues and improve the rigor of Ads Data Science.
Qualifications
- Strong experience in data science, experimentation, statistical modelling or product analytics.
- Advanced SQL and analytical programming such as Python or R.
- Experience with advertising, campaign management, growth, retention or marketplace measurement.
- Understanding of experimental design, causal inference and metric development.
- Strong communication and stakeholder-management skills in a cross-functional environment.
Technology in this role
- Python: Python SQL PyTorch .
- SQL: Python SQL PyTorch .
- PyTorch: Python SQL PyTorch .
- TensorFlow: Python SQL PyTorch .
- R: Advanced SQL and analytical programming such as Python or .
- Spark: • Experience with large-scale data processing and analysis using tools such as Spark, Hadoop, or .
- scikit-learn: • Proficiency in Python or R and experience with machine learning libraries such as scikit-learn, TensorFlow, or .
- CAN: • Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising .
- Hadoop: • Experience with large-scale data processing and analysis using tools such as Spark, Hadoop, or .
- Hive: • Experience with large-scale data processing and analysis using tools such as Spark, Hadoop, or .
- BigQuery: Listed by the employer as part of the role’s technical requirements.
Role-specific candidate guide
Preparation notes based on the employer’s stated responsibilities and qualifications.
Understanding the scope. This Senior Data Scientist, Ads position at Reddit is best assessed through the work described in the employer’s posting, rather than the title alone. The available role overview says: “Reddit’s Ads Data Science team uses data foundations, metrics, experimentation and advanced methods to improve advertiser value. This Senior Data Scientist role works across ad measurement, campaign and creative…” Read that statement together with the responsibilities below to understand the likely balance between delivery, coordination and technical decision-making. The role belongs to the AI and data area, but that label is only a guide to the work; the employer’s own requirements remain decisive. Before applying, check the original listing for reporting lines, product or team assignment, employment terms and any details that.
Benefits
- Comprehensive Healthcare Benefits and Income Replacement Programs
- Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
- Mental Health & Coaching Benefits
- Flexible Vacation & Paid Volunteer Time Off
- This job posting may span more than one career level.
- In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/ .
- To provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.
- The base salary range for this position is:
- In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.
- During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors .
- Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.
About Reddit
Reddit is a community platform. Its Ads Data Science team supports measurement, campaign and creative management, advertiser growth, retention and monetisation.
Employer websiteHow to apply
Review the original posting and apply through the employer’s careers page.
View source and applySource checked: 2026-10-17