About this role
Data Scientist at CapsLock. Location: Poland or United States or Europe. Role: building models, engineering features, communicating findings Requirements: 3+ years in data science/ML, strong Python (scikit-learn, XGBoost, LightGBM), SQL, feature engineering from clickstream/behavioral data, production deployment experience, statistical inference skills, and upper-intermediate English. Category: Data and Analytics Seniority: Mid Level Tools: Cursor, ClaudeCode, Antigravity, Python, scikit-learn, XGBoost, LightGBM, SQL Commitment: Full Time Workplace: Remote Languages: English