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jeayoung114/README.md

Hi there, I'm Jae Young Kim πŸ‘‹

πŸš€ Senior Data Scientist at Walmart Global Tech

I'm passionate about leveraging data science and machine learning to solve complex business problems and drive innovation in the retail technology space.

🎯 About Me

  • πŸ”­ Currently working as a Senior Data Scientist at Walmart Global Tech
  • 🌱 Specializing in machine learning, data mining, and knowledge graph applications
  • πŸ’‘ Experienced in building end-to-end ML solutions for large-scale retail operations
  • πŸŽ“ Strong academic background in Data Science with hands-on project experience

πŸ› οΈ Technical Skills

Languages & Tools:

  • Programming: English Python, SQL
  • ML/DL Frameworks: TensorFlow, PyTorch, Scikit-learn
  • Data Processing: Pandas, NumPy, Apache Spark
  • Visualization: Matplotlib, Seaborn, Plotly
  • Cloud & Big Data: AWS, Google Cloud, Hadoop ecosystem
  • Version Control: Git, GitHub

Core Competencies:

  • πŸ“Š Data Mining & Analysis: Pattern recognition, anomaly detection, predictive modeling
  • πŸ€– Machine Learning: Classification, regression, clustering, ensemble methods
  • 🧠 Deep Learning: Neural networks, CNNs, RNNs, transformers
  • πŸ“ˆ Statistical Analysis: Hypothesis testing, A/B testing, time series analysis
  • πŸ”— Knowledge Graphs: Graph databases, semantic web technologies, entity resolution

πŸ“š Featured Projects

Building a comprehensive knowledge graph for English Premier League data to enhance game prediction accuracy using advanced graph-based ML techniques.

  • Tech Stack: Julia, Graph databases, Machine Learning
  • Key Features: Entity extraction, relationship mapping, predictive modeling

Comprehensive exploration of data mining algorithms and applications including:

  • Association rule mining
  • Clustering algorithms
  • Recommendation systems
  • Large-scale data processing techniques

Implementation of various ML algorithms from scratch and practical applications:

  • Supervised learning (SVM, Random Forests, Neural Networks)
  • Unsupervised learning (K-means, DBSCAN, PCA)
  • Model evaluation and optimization techniques
  • Real-world case studies and competitions

πŸ“Š GitHub Stats

GitHub Stats

Top Languages

🌐 Connect with Me

LinkedIn GitHub

πŸ’Ό Professional Experience

Walmart Global Tech - Data Scientist / AI Engineer

  • Developing scalable ML solutions for retail optimization
  • Implementing advanced analytics for supply chain efficiency
  • Building recommendation systems for personalized customer experiences
  • Collaborating with cross-functional teams to drive data-driven decision making

🎯 Current Focus

  • πŸ” Exploring advanced NLP techniques for retail applications
  • πŸ“Š Building real-time analytics pipelines
  • πŸ§ͺ Experimenting with reinforcement learning for dynamic pricing
  • 🌟 Contributing to open-source ML projects

πŸ“ˆ Achievements

  • πŸ… Successfully deployed ML models processing millions of transactions daily
  • πŸ“š Completed advanced coursework in Data Mining and Machine Learning
  • πŸš€ Contributed to significant improvements in operational efficiency through data-driven insights

⚑ Fun fact: I enjoy combining my passion for sports analytics with machine learning, as seen in my EPL prediction project!

πŸ“« How to reach me: Feel free to connect on LinkedIn or explore my repositories to see my work in action!

Pinned Loading

  1. EPL-Knowledge-Graph-and-Game-Prediction EPL-Knowledge-Graph-and-Game-Prediction Public

    DSCI558 Building Knowledge Graph Project

    Julia

  2. Data-Mining-DSCI553 Data-Mining-DSCI553 Public

    Foundations and Applications of Data Mining(Spring 2021)

    Jupyter Notebook 1 1

  3. Machine-Learning-DSCI552 Machine-Learning-DSCI552 Public

    DSCI 552: Machine Learning for Data Science

    Jupyter Notebook 4

  4. DSCI-551-project DSCI-551-project Public

    Jupyter Notebook