Staff Data Scientist - Ads Measurement, Signals, Privacy

United StatesRemote

Responsibilities

Innovate experimental design and develop infrastructure that supports large-scale, high-velocity, low-bias testing for advertisers.
Define Ground Truth & Evaluation Frameworks: Solve the industry-wide challenge of validating identity and measurement.
Design the objective functions and truth sets used to train our models and measure the incremental impact of our identity graph.
Lead Through Cross-Functional and Technical Influence: Collaborate deeply with engineering, product, and sales to align on strategic goals, translate insights into action, and drive execution.

With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.
experience on Reddit. In this role, you'll take deep ownership of a high-impact problem space within advertising, specializing in measurement, identity, and signal quality.
Advanced degree (Master's or Ph.D.) in Statistics, Mathematics, Physics, Economics, or Operations Research
experience in applied science or data science roles
Deep understanding of the ads ecosystem
Demonstrated expertise in at least one of the following areas:
Advanced proficiency in statistical programming (Python or R) and SQL. •
Experience with machine learning or optimization techniques
Strong understanding of experimental design, causal inference, or A/B testing methodologies
Experience working in fast-paced, ambiguous environments with cross-functional teams Benefits:
Additionally, Reddit offers a wide range of
In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI).

Benefits and Income Replacement Programs
401k with Employer Match
Gender-Affirming Care
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave #LI-Remote Pay Transparency:
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.
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 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.
The base salary range for this position is: $217,000 — $303,900 USD

It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet.
Reddit’s Ads Data Science team is looking for a highly experienced Staff Data Scientist to advance the intelligence powering the advertiser
This is a high-impact, high-autonomy role where you'll influence strategic direction, set a high technical bar, and drive cross-functional initiatives across one or more critical focus areas in the Ads organization. Responsibilities:
Advance Lift Methodologies & Experimentation: Own the statistical rigor behind Reddit’s Brand and Conversion Lift products.
Maximize Signal for Predictive Performance: Define the strategy for new signal sources.
You will mathematically quantify the value of these signals and work with modeling teams to incorporate them into predictive models, directly improving bidding efficiency and ROAS.
Set a high technical bar by mentoring others and championing best practices across modeling, experimentation, and measurement.
Measurement & Experimentation at Scale (with focus on lift and attribution)
Identity Graph Creation & Resolution Methodology and Infrastructure
Exceptional problem-solving and communication skills, with a track record of influencing product and engineering partners •