Machine Learning, AI, LLMs, NLP, Data Engineering

A I E N G I N E E R I N T E R N

DANG DANG KHOI

Innovative AI/ML Engineer with a proven track record of developing and deploying NLP systems and recommendation engines that drive real-world impact. Expertise in leveraging advanced models to solve complex problems, from data preparation to final deployment. Seeking an opportunity to contribute to cutting-edge AI initiatives and further expand my expertise in a challenging environment.

C O N T A C T S U M A R Y

IELTS 6.5 (2022)

S K I L L S

P R O J E C T S

E D U C A T I O N

C E R T I F I C A T I O N

Bachelor of Science

in Computer Science

International University - HCMIU

2022–2026

Description: Completed data preparation for a Vietnamese university Q&A chatbot by extracting text from scanned documents using PyTesseract OCR and scraping academic content. Built a structured dataset and fine-tuned PhoGPT on a domain-specific Q&A corpus. Applied document chunking for integration with a Retrieval-Augmented Generation pipeline. Technologies: Transformer, Pytorch, HuggingFace, PyTesseract OCR, BeautifulSoup, MongoDB.

Description: Applied data mining techniques to predict user review sentiments and uncover association rules between game features and user preferences. Built a recommendation chatbot using reflection-based Retrieval-Augmented Generation (RAG), integrating semantic search via Sentence Transformers and MongoDB, GeminiAPI for function calling and LLMs response. Technologies: BeautifulSoup, Pandas, MongoDB, GeminiAPI, Streamlit, SentenceTransformers, Weka.

Description: Engineered and deployed AI/ML models

(Collaborative Filtering, Content-based Filtering, Association Rules) to significantly enhance online shopping functionality and user experience, including personalized recommendations, improved search, and smart cart suggestions. Successfully deployed these models on a high-performance platform using FastAPI and Docker.

Technologies: Pandas, Scikit-learn, Mlextend, FastAPI, Docker. HCMIU Q&A Bot

Steam Game Data Mining & Chatbot

AI Shopping System

April 2025 - Present

March 2025 - Present

Sep 2024 - Jan 2025

Can Gio District, HCMC

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linkedin.com/in/dang-dang-khoi-

5b4a8a302/

AI/ML: Machine Learning, LLMs, RAG,

LLMs Agent, Chatbot.

Data Engineering: Data Mining, Web

Scrapping, Big Data Technology.

Programming: Python, Pytorch,

TensorFlow, Pandas, Scikit-learn,

Langchain, FastAPI.

Data & Infrastructure: Github, Docker,

FastAPI, MongoDB, MySQL, Spark.

Soft skills: Troubleshooting, Teamwork,

Critical Thinking.

Machine Learning Specialization -

Stanford University &

DeepLearning.AI (2024)

Relevant Course: Data Mining, Big Data

Technology, Artificial Intelligence, NLP.

GPA: 3.04/4

Deep Learning: Natural Language

Processing, CNN, LSTM, Transformers.

https://github.com/KhoiDang1209

NLP Foundation - ProtonX (2025)

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