
Contributed to the Insight-Sogang-Univ/insight-13th repository by delivering four end-to-end features focused on data-driven employee analytics, personalized recommendations, and transactional analysis. Developed machine learning workflows for employee data using Python and Jupyter Notebook, applying classification models with ensemble methods and hyperparameter tuning. Built a collaborative filtering system for personalized chicken dish recommendations and implemented association rule mining with Apriori and FP-Growth to extract actionable insights from customer transactions. Completed deep learning and NLP coursework, including a PyTorch-based MNIST classifier and text vectorization with Bag of Words and Word2Vec, demonstrating a comprehensive approach to applied data science solutions.
May 2025: Delivered four end-to-end features in Insight-Sogang-Univ/insight-13th, focusing on data-driven employee insights, personalized recommendations, and transactional analytics, with coursework-driven demonstrations of ML/NLP capabilities. Business value: enhanced hiring analytics, improved customer experience through recommendations, and data-backed sales insights. Technical achievements include end-to-end ML pipelines, collaborative filtering, association rule mining, PyTorch-based MNIST, and NLP preprocessing with BoW/TF-IDF and Word2Vec; demonstrated ensemble methods and hyperparameter tuning for robust models. No critical bugs fixed this month.
May 2025: Delivered four end-to-end features in Insight-Sogang-Univ/insight-13th, focusing on data-driven employee insights, personalized recommendations, and transactional analytics, with coursework-driven demonstrations of ML/NLP capabilities. Business value: enhanced hiring analytics, improved customer experience through recommendations, and data-backed sales insights. Technical achievements include end-to-end ML pipelines, collaborative filtering, association rule mining, PyTorch-based MNIST, and NLP preprocessing with BoW/TF-IDF and Word2Vec; demonstrated ensemble methods and hyperparameter tuning for robust models. No critical bugs fixed this month.

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