Staff Data Scientist - Ads Identity & Measurement

Reddit; Canada; Remote; CAD 150,000 - 210,000; Full time

Benefits offered by this job

Healthcare Benefits

401k with Employer Match

Global Benefit programs

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching

Flexible Vacation

Paid Volunteer Time Off

Job summary

Reddit is seeking a highly experienced Staff Data Scientist to advance the intelligence powering the advertiser experience on Reddit. You will take ownership of a high-impact problem space within advertising, specializing in measurement, identity, and signal quality.

In this role, you will lead cross-functional initiatives with engineering, product, and sales, mentor teammates, and set a high technical bar for modeling, experimentation, and evaluation.

Qualifications

• Advanced degree in Statistics, Mathematics, Physics, Economics, or Operations Research.
• For MS holders: 10+ years of industry experience in applied science or data science roles.
• For PhD holders: 6+ years of industry experience in applied science or data science roles.
• Deep understanding of the ads ecosystem.
• Expertise in Measurement & Experimentation at Scale, Identity Graph Creation & Resolution, or Predictive Modeling with Signal Loss.
• Proficiency in Python or R and SQL.
• Experience with machine learning or optimization techniques.
• Strong understanding of experimental design, causal inference, or A/B testing methodologies.
• Exceptional problem-solving and communication skills with cross-functional impact.
• Experience in fast-paced, ambiguous environments with cross-functional teams.

Responsibilities

• Design the Future of Ads Identity: develop models for identity resolution and linking on- and off-platform actions.
• Advance Lift Methodologies & Experimentation: own statistical rigor behind Lift products; design experiments at scale.
• Maximize Signal for Predictive Performance: define strategy for new signal sources and integrate into models to improve ROAS.
• Define Ground Truth & Evaluation Frameworks: create objective functions and truth sets for model training and evaluation.
• Lead Through Cross-Functional and Technical Influence: mentor others and set high technical standards across modeling, experimentation, and measurement.

Skills

Python or R

SQL

Machine Learning

Experimental design

Education

Statistics / Mathematics / Physics / Economics / OR

Tools

Python

R

SQL

Job description

Reddit is seeking a highly experienced Staff Data Scientist to advance the intelligence powering the advertiser experience on Reddit. You will take ownership of a high-impact problem space within advertising, specializing in measurement, identity, and signal quality.

In this role, you will lead cross-functional initiatives with engineering, product, and sales, mentor teammates, and set a high technical bar for modeling, experimentation, and evaluation.