Ambitious, studies fast new fields, creative problem solver.Expertise in:Development of data analytics projects, end to end, from idea to productionUser behavior prediction (with different ML models)Advanced ML model evaluation and performance enhancement.Recommender systemsBuilding of BI and product analytics systemsDigital Marketing, algorithms for optimization of marketing funnelsIndustrial manufacturing processesData Analysis:EDA, advanced statistics, robust statistics, process control, time series analysis and anomalies detection, failure analysis investigations, data quality control, monitoring, visualizations prediction and prevention of future problems, data analytics methodologies and more.Expertise in model evaluation, error analysis and quality monitoring of complex ML algorithms.ML skills:Regressions, classifications, regularization, decision trees + boosting, unsupervised learning, PCA, shallow neural networks and recommenders systems, LSTMModel evaluation: cross-validation, residual analysis, partial dependence plots, parameters monitoring, process supervision for black-box models.Independent project-based experience only: reinforcement learning, CNNs, basic NLP, machine translation, transformers, LLMsSoftware development / DE:Software architecture, data modeling, OOP and design patterns, Python (incl., ML libraries), advanced SQL, AWS environment, Databricks, Spark (PySpark), Data Warehouses, Docker, Airflow, dbt, Software project management and leadership experience.Contact: ohad.horowitz@gmail.com