Khoa Nguyen
Verified Expert in Engineering
Data Scientist Developer
Khoa is a data scientist who specializes in providing high-quality machine learning solutions to businesses. Specifically, he successfully helped deployed AI modules that assisted many advertising campaigns in optimizing their marketing strategies, and he also contributes several PoC projects outlining the feasibility of them to solve practical business problems. Khoa is also a well-round individual who can collaborate with many people at work, as well as work independently.
Portfolio
Experience
Availability
Preferred Environment
TensorFlow, Pandas, NumPy, SQL, Jupyter Notebook, Visual Studio Code (VS Code), Machine Learning, Python, Artificial Intelligence (AI), Data Mining
The most amazing...
...project I have developed is an automated bid landscape module of Knorex's KAIROS machine learning engine for digital advertising.
Work Experience
Data Engineer
Yedda Co. Ltd.
- Developed a module that manages data collection and database management for customers.
- Provided UML diagrams and solutions for database architecture.
- Performed research to optimize SQL queries and database performance.
Data Scientist
Knorex Co., Ltd.
- Predicted optimal bidding prices in a bid landscape model for real-time bidding display advertising with an AUC score of up to 80%.
- Implemented the first version of the audience segmentation module to identify similar user groups for the ads targeting scheme.
- Provided a comprehensive proof-of-concept (POC) of federated learning in the predicting CTR of online advertising (trade-off with a decrease of AUC score by 15-20% while ensuring data privacy).
- Provided a machine learning architecture handling training and serving sessions of bid landscape for multiple advertising campaigns.
- Provided a proof-of-concept of feature store using Feast to prepare a better data source for data scientists in extracting qualities features.
- Analyzed data to extract relevant information for customers to improve their marketing strategies.
AI Engineer
Viralint Co. Ltd.
- Analyzed metadata and lyrics of different songs to determine the user's configuration for optimal song generation.
- Built a data system for crawling and labeling data for music generation.
- Created a deep learning model for lyrics segmentation and semantic analysis.
- Designed a multiprocessing system for deep learning tasks.
- Provided a PoC of a module automatically detecting faults in the lens using OpenCV.
Data Engineer Intern
Younet Media Social Enterprise
- Supported building a database of user's social network information.
- Implemented artificial intelligence models detecting human faces and ages.
- Assisted in building modules to extract data from Facebook API.
Experience
Smart Bid Recommendation of Knorex's KAIROS Engine
Automatically Finding the Number of Clusters for Large Datasets Based on Coresets
POC of Federated Learning for CTR Prediction
Skills
Languages
C++, Python, Python 3, SQL, R, Java, Scala
Libraries/APIs
TensorFlow, Pandas, NumPy, OpenCV, PyTorch, Matplotlib, TensorFlow Deep Learning Library (TFLearn), Keras
Platforms
Visual Studio Code (VS Code), Anaconda, Jupyter Notebook
Other
Machine Learning, Data Mining, Programming, Predictive Analytics, Predictive Modeling, Boost.Python, Artificial Intelligence (AI), Deep Learning, Linear Algebra, Big Data, Data Analysis, Multiprocessing, Data Preparation, Exploratory Data Analysis, Data Visualization, Streaming, Ray, Neural Networks, Computer Vision, Statistics, Feast, Calculus, UML Diagrams, Signal Processing
Tools
Plotly, Scikit-image
Paradigms
Data Science
Storage
Google Cloud
Education
Engineer's Degree in Computer Science
Ho Chi Minh University of Technology, Vietnam National University - Vietnam
Certifications
Advanced Data Science with IBM Specialization
Coursera
Global Project-based Learning
Shibaura Institute of Technology and Ho Chi Minh University of Technology