Data Scientist and Machine Learning engineer

Heon Kim

Data Scientist Machine Learning Engineer Consultant

EMPLOYMENT HISTORY

Google LLC, New York, NY May 2024 - PRESENT

Machine Learning Engineer, Contractor Through Deloitte

● Led and built a RAG LLM model using NLP and LangChain, leading to a 20% increase in context-specific response accuracy

● Conducted EDA for 1.5TB of Google internal data and developed randomforest, regression and gradient models, leading to a 10% improvement in predictive accuracy

● Conducted A/B testing on cost data, leading to a 10% reduction in operational costs

● Developed evaluation models with ROUGE and BLEU, leading to a 25% improvement in performance measurement precision.

Deloitte LLP, New York, NY June 2024 - PRESENT

Data Scientist

● Designed LLM architecture, analyzed 1.5TB of data, developed demo RAG models, and conducted cost and domain-specific analysis with Spacy, Bert, and NLTK, leading to optimized resources and improved system performance.

● Improved SVM model accuracy by 10% through outlier detection and fine-tuning with GridSearch.

Deloitte LLP, New York, NY Jan 2024 - May 2024

Management Consulting - Project Manager

● Led 40 law firm projects, managing 2TB of data, improving ID accuracy by 15% with Relativity and Brain Space.

● Collaborated with CTO to draft 4 legal findings and 7 reports using Power BI, SQL, and Python, speeding up decisions by 20%. Columbia Univ. History Lab, New York, NY Sep 2022 - Dec 2022 Data Science Researcher

● Led a data science team of 3 at Columbia University to analyze 4,000 CIA documents using LSTM algorithms, identifying critical discrepancies and developing a logistic regression model with 92% precision. EDUCATION

University of Chicago, IL Aug 2023 - Mar 2025

● M.Sc in Applied Data Science specialized in Deep Learning Columbia University, NY Sep 2021 - Aug 2023

● B.A in Computer Science specialized in Intelligent Systems DATA SCIENCE PROJECTS

Bot Detection using AI detection Leveraging Explainable AI for Enhanced Interpretability

● Developed algorithms to distinguish bot from human content on social media using logistic regression, LSTM, and LIME, improving accuracy and reducing misinformation.

Data Science Job Market Explorer

● Employed NLP and EDA to uncover key skills and compensation trends in the data science job market.

DETAILS

White Plains, NY

213-***-****

*************@*****.**

m

https://www.linkedin.com/i

n/heonkim123/

https://github.com/heon-ki

m12/DataScience_Projects

SKILLS

Programming Tools/

Languages:

Python, VBA, R, SQL, JAVA,

Assembly Code, Linux,

SQL, C, Matlab, LangChain,

Github, Locker

Big Data & Clouds:

Spark, GCP, AWS, Hadoop

ML & DL Tools:

Scikit-learn, TensorFlow,

PyTorch, XGBoost,

LightGBM, Keras, NLTK,

spaCy, Transformers,

Gensim

Data Viz & Science Tools:

Tableau, Power BI,

statistical analysis, Pandas,

Numpy, Matplotlib,

Seaborn

LEADERSHIPS

U.S. Navy Active Duty,

2017 - 2021

Led a Navy supply chain team

of 12, managing $3.2M in

assets and conducting

financial and risk analyses.

Co-Founder (Data Scientist

& Product Manager) at

Denple, 2022 - 2023

Led full-stack development

teams at DENPLE, securing

30 dental partnerships and

delivering 4 data science

projects.

LANGUAGES

Korean English

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