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Reddit // online content platform
San Francisco, New York City, Remote    Posted: Thursday, September 23, 2021
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The front page of the internet," Reddit brings millions & millions of people together each month through their common interests, inviting them to share, vote, comment, & create across thousands of communities. 

We are looking for a Data Science Manager to lead our Data Science horizontal on Experimentation & to partner with our Engineering team to drive & implement the vision of Experimentation at Reddit.

Our Experimentation Platform has been used by our Product & Engineering teams to run thousands of experiments in order to ensure that we fully understand our users & create the best possible experiences, as well as to roll out thousands of features in a safe, appropriate way. In 2021, we have rapidly scaled our Experimentation team & are quickly turning the platform into a world-class framework, capable of even greater scale & effectiveness. 

As the Data Science Manager for Experimentation you will lead a small but growing team & will be pivotal in driving company-wide innovation & rigor, shaping our metrics strategy, & building a strong experimentation culture. The opportunity for impact will be great as you enhance the success & understanding of our products across our diverse & growing user base.

How Youll Have Impact:

Reddits mission is to bring community & belonging to everyone in the world, & you will be pivotal in making that happen. As the 6th largest site on the internet Reddit has a dramatic scale but at 1000+ employees you wont be stuck making small incremental gains on enterprise systems. You will create organization-wide capabilities to run more advanced experiments & create publication quality research, leverage complex testing & optimization algorithms to grow revenue, & produce more robust results faster to help teams increase their velocity & effectiveness.

What Youll Learn:

You will partner closely with a world-class org of Engineering, ML, Search, Data Science, Data Engineering, & Analytics practitioners who work together to create a variety of capabilities for Reddit to be more successful in its decision-making & product creation. In particular, youll be exposed to & drive adoption of a variety of new techniques in modeling, experimentation, statistical frameworks, & causal inference.

What Youll Do:

  • Be the main point of contact for Data Science / statistics of experimentation, creating & implementing the roadmap for the stats engine of Reddits Experimentation Platform, providing guidance on experiment design, analysis, & metrics 
  • Apply modeling (advanced statistical methods, machine learning) to improve the accuracy of our experimental results (e.g. variance reduction techniques such as CUPED)
  • Be responsible for platform-wide Data Science process & analyses, defining company-wide experiment processes (delegation of authority when certain metrics are impacted, etc.), communicating good experimentation best practices & setting the standard for experiment design for the entire organization
  • Ensure high-quality & trustworthy experiment results & ensure that experimental designs lead to action
  • Collaborate with multiple engineers/product teams across the whole company to find technical solutions to complex experiment design challenges
  • Develop & adopt statistical methods that help Reddit teams better measure their feature areas
  • Perform meta-analysis on experiments to understand macro trends in our product ecosystem & to understand the health of experiments for the company as a whole

Who You Might Be:

  • 5+ years of experience in quantitative or data science roles, preferably for a consumer-facing service/app
  • 1+ years of experience focused on experiment design and/or A/B testing
  • Demonstrated application of the statistical underpinnings of experimentation: hypothesis testing, p-values, causal inference, etc.
  • Familiarity with statistical analysis & programming languages (e.g., R / Python)
  • Proficiency with querying relational databases (e.g., SQL)
  • Results-oriented with a strong customer & business focus
  • Entrepreneurial & self-directed, demonstrated ability to innovate & bias toward action in fast-paced environments
  • Ability to communicate & discuss complex topics with technical & non-technical audiences
  • Ability to tackle ambiguous & undefined problems

Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities & disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at

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