Senior Staff Data Scientist - Consumer Experimentation
Reddit · Remote - Ontario, Canada
Posted about 3 months ago
or apply directly on Reddit's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 81 days Reddit's roles stay open a median of 81 days
- Reposted
- No
- Salary listed
- No 0% of Reddit's roles list one
- Ghost-job risk at Reddit
- high 148 stale, 3 reposted of 150 open
- Hiring momentum
- 259 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-23
Measured from postings appearing on and disappearing from Reddit's own greenhouse board since 2026-08-03. Full hiring picture for Reddit.
About this role
As a Senior Staff Data Scientist on the Consumer team at Reddit, you will lead complex experimentation challenges, focusing on causal inference and experimentation methodology. Your role involves designing frameworks, mentoring other data scientists, and influencing product strategy through rigorous experimental analysis. You will also develop self-serve tools to enhance experimentation across teams and publish methodological advancements to contribute to the broader community.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Reddit as an employer.
What you need
- Ph.D. in Statistics, Econometrics, Economics, Computer Science, or a related quantitative field with a strong focus on causal inference or experimentation methodology; or M.S. with equivalent depth of expertise
- For M.S. holders: 12+ years of industry experience in applied science, data science, or experimentation-focused roles
- For Ph.D. holders: 8+ years of industry experience in applied science, data science, or experimentation-focused roles
- Deep expertise in causal inference, including practical experience with challenges such as network interference / spillovers, two-sided experimentation, switchback designs, cluster randomization, and/or synthetic control methods
- Strong theoretical grounding in experimental design, including power analysis, variance reduction techniques, sequential testing, and multiple comparison corrections
- Experience with experimentation platforms at scale (e.g., building or significantly extending an internal experimentation platform)
Nice to have
- Published research or industry contributions in areas such as interference in experiments, network experimentation, or marketplace causal inference
- Familiarity with Bayesian experimental methods, bandit algorithms, or adaptive experimental designs
- Experience with social network or user-generated content platforms where community-level dynamics create non-trivial experimentation challenges
What you get
- 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
- Comprehensive Medical Benefits & Health Care Spending Account
- Registered Retirement Savings Plan with matching contributions
Worth weighing
- No salary listed
- Role involves tackling complex experimentation challenges which may require advanced problem-solving skills
- The position requires a high level of expertise and experience, which may limit the candidate pool
- Mentoring responsibilities suggest a leadership aspect that may not appeal to all candidates
Summarised from Reddit's posting. Read the full original.
Listed by Reddit on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.
More roles at Reddit
- Manager, Large Customer Sales - UKLondon, United Kingdom
- Principal Data Scientist, AdsRemote - United States
- Senior Machine Learning EngineerRemote - Ontario, Canada
- Senior, Business Risk & AI AutomationRemote - British Columbia, Canada
- Senior Software Engineer, Core PlatformSan Francisco, CA
- Staff Data Scientist, AdsRemote - United States
- Senior Software Engineer, AdsRemote - United States
- Senior Client Partner, Global Strategic Accounts (UK)London, United Kingdom