Senior Data Scientist

Role Overview

Join Affinity’s Data Science team as a Senior Data Scientist, where you will apply advanced analytics, machine learning, and AI techniques to solve complex business challenges using one of the industry’s richest consumer purchase datasets.

What You Will Do

In this role, you will take ownership of the existing spend-prediction models, design reproducible experiments, and rigorously distinguish genuine improvements from noise, seasonality, or selection effects.

Why It Might Be a Fit

The ideal candidate will have extensive experience with leading production ML projects end-to-end, with emphasis on quality and scalability, and a proven ability to conceptualize business problems and craft sound and practical ML solutions.

Requirements

• Extensive experience with leading production ML projects end-to-end, with emphasis on quality and scalability
• Deep knowledge of the fundamentals of Machine Learning and Statistics
• Strong experience with supervised learning on large-scale tabular and behavioral data
• Experience with time-series, panel, and forecasting problems
• Proven experience designing reproducible model evaluation and backtesting frameworks
• Comfortable diagnosing whether a model regression stems from the model itself or from an upstream data issue
• Strong software engineering and data engineering experience
• Experience working with cloud data warehouses such as Amazon Redshift, Snowflake, and data lakes such as Amazon S3
• Extensive, hands-on experience directing AI coding agents on real production codebases
• Entrepreneurial, highly self-motivated, and collaborative, with keen attention to detail, the ability to learn quickly, and the ability to effectively prioritize and execute tasks in a demanding environment
• Ability to communicate complex technical concepts and model results to management, clients, and other non-technical stakeholders

Benefits

• Generous employer contribution for medical, dental, and vision
• Company paid holidays
• Wellness time off
• Other wellness benefits
• Employee discounts
• Employer paid life insurance
• Option to enroll into an employer-matched 401K Plan
• Unlimited vacation days

Tagged as: Forecasting, Snowflake