Data Engineer2021 - 2021Yedda Co. Ltd.
Technologies: PostgreSQL, Go, Software Engineering, UML Diagrams, Scrum, Visual Studio Code, Back-end
- 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 Scientist2020 - 2021Knorex Co., Ltd.
Technologies: Python 3, Pandas, TensorFlow, Plotly, Matplotlib, Data Mining, SQL, Anaconda, Data Analysis, Multiprocessing, Feast, Google Cloud, Visual Studio Code, PyMongo, Machine Learning, Neural Networks, MongoDB, Media, Back-end
- 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 Engineer2019 - 2020Viralint Co. Ltd.
Technologies: Python 3, OpenCV, Boost.Python, TensorFlow, Pandas, NumPy, PyTorch, Visual Studio Code, Machine Learning, Neural Networks, Computer Vision, Back-end
- 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 Intern2018 - 2018Younet Media Social Enterprise
Technologies: Python 3, Flask, TensorFlow, Visual Studio Code, Back-end
- 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.