← All jobs in United States

Remote · Data Scientist

Senior Data Scientist - Ads

Reddit · Remote - United States · United States

Remote USD 191k–267k / year Posted Open until 18 Oct 2026
  • Remote We're completely remote friendly and will continue to be after the pandemic. — job description

The job, in the employer's words

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and 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 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com.

Location: US remote-friendly

Reddit has a flexible first workforce. At Reddit we continue to grow our teams with the best talent. We're completely remote friendly and will continue to be after the pandemic.

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 and platform measurement, campaign and creative management, advertiser growth and retention, monetization, and the intersection of brand and community engagement. 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:

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.

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

Qualifications:

  • Advanced degree (Masters or Ph.D.) in a quantitative field such as: Statistics, Mathematics, Physics, Economics, or Operations Research
  • For M.S. holders: 5+ years of industry experience in applied science or data science roles
  • For Ph.D. holders: 4+ years of industry experience in applied science or data science roles
  • Platform experience and a deep understanding of the ads ecosystem
  • 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:

  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k with Employer Match
  • 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
  • Flexible Vacation & Paid Volunteer Time Off
  • Generous Paid Parental Leave  

 

#LI-Remote

Pay Transparency:

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:
$190,800—$267,100 USD

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.

Benefits mentioned

  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k with Employer Match
  • 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
  • Flexible Vacation & Paid Volunteer Time Off
  • Generous Paid Parental Leave
  • #LI-Remote

Requirements mentioned

  • Advanced degree (Masters or Ph.D.) in a quantitative field such as: Statistics, Mathematics, Physics, Economics, or Operations Research
  • For M.S. holders: 5+ years of industry experience in applied science or data science roles
  • For Ph.D. holders: 4+ years of industry experience in applied science or data science roles
  • Platform experience and a deep understanding of the ads ecosystem
  • 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

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

More remote jobs in United States

Pinterest · San Francisco · yesterday

Staff Machine Learning Engineer

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lif…

Remote
Imagine Pediatrics · United States (Remote) · yesterday

Senior Data Scientist

Who We Are Imagine Pediatrics is a tech enabled, pediatrician led medical group reimagining care for children with special health care needs. We deliver 24/7 virtual firs…

RemoteUSD 145k–180k / year
Smartsheet · -REMOTE, USA- · yesterday

Sr. Data Scientist II - Product Analytics

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human team…

RemoteUSD 155k–185k / year
Chime Financial, Inc · Chicago · 2 days ago

Lead Data Scientist - Credit Risk

About the Role We are looking for an experienced Credit Risk Data Scientist who is data-driven, has strong analytical and technical skills, and operates with a high degre…

RemoteUSD 152k–210k / year
Stellar Cyber · United States · 3 days ago

Security Machine Learning Engineer/ Researcher

Join a fast-growing global leader in cybersecurity, trusted by some of the biggest names in the industry. In addition to some of the world’s largest enterprises and gover…

RemoteUSD 150k–215k / year

22,719 live roles · See all →

Other roles at Reddit

Reddit · Remote - United States · yesterday

Senior Machine Learning Systems Engineer - ML Platform

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

RemoteUSD 217k–303k / year
Reddit · Remote - United States · yesterday

Analytics Engineer

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

RemoteUSD 164k–230k / year
Reddit · Remote - United States · yesterday

Staff Software Engineer - Android Design System

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

RemoteUSD 217k–304k / year
Reddit · Remote - The Netherlands · 2 days ago

Community Manager - Dutch Speaking - Contract

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

Remote
Reddit · Remote - United States · 3 days ago

Staff Android Engineer - Android Platform

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

RemoteUSD 217k–304k / year
Reddit · Remote - United States · 8 days ago

Staff Technical Program Manager - Infrastructure

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every …

RemoteUSD 195k–272k / year

113 live roles · See all →

Remote share — Data Scientist jobs in United States

85% are remote

378 of 443 jobs we have listed

How long they stay open — Data Scientist jobs in United States

107 days median time open before the listing ended

Based on 33 ended listings

Advertised pay — Data Scientist jobs in United States

USD 195k median advertised pay / year

Middle half: USD 166k – USD 230k

From 314 listings that state pay