Role: Quantitative Research Analyst (Data Modeling & Imputation) Location: Chicago, IL or Boston, MA Required Experience 2-5 years of experience in quantitative research, data science, or financial data engineeringStrong expertise in data wrangling and transformation at scale (this is the core skill)Proven experience with missing data techniques and imputation methods (e.g., cross-sectional inference, time-series interpolation, model-based approaches)Advanced Python skills (pandas, numpy); stron