Python (Data Analytics & Data Science)
Chayaphol Lortaraprasert
Graduate Student At University Of Tokyo
4 Phibulwattana 4 Rama VI Samsennai Phayathai,Bangkok
Summary
Friendly graduate student motivated to learn, grow and contribute to team success through hard work and excellent communication skills. Real-world and academic experiences in various fields of data science/data analytic such as fraud detection, materials informatics, topological data analysis, chatbots, and quantum machine learning.
Overview
3
3
Languages
5
5
years of post-secondary education
1
1
year of professional experience
Work History
Teaching Assistant
UTokyo Data Science School Internship Course
Tokyo, Japan
2021.04 - 2021.07
- Assisted and coordinated data analysis work of six graduate students, from team management to final presentation.
- Analyzed massive dataset of travel reviews data with over 100k images and 120k text comments of travel review data.
- Performed time-series analysis on reviews data using various techniques such as DTW (Dynamic Time Warping).
- Performed image and text data analysis by employing numerous computer vision and natural language processing techniques such as topic modeling and GAN (Generative Adversarial Network).
Data Scientist Internship
GMO Payment Gateway
Tokyo, Japan
2020.10 - 2021.02
- Successfully built machine learning models such as SVM, LightGBM and CatBoost for credit card fraud detection, based on over 1.2M of transaction data which are highly imbalanced.
- Worked and communicated with six other graduate students from various backgrounds as a team, while supervised by UTokyo professors and data scientists of the company.
- Deployed numerous novel techniques such as multi-region training, two-layered models, and customized evaluation metrics.
- Presented final results to CTO and senior data scientists of the company in the end.
Education
Master of Engineering - Mechanical Engineering
University of Tokyo
Tokyo, Japan 2020.04 - Current
Bachelor of Engineering - Mechanical Engineering
University of Tokyo
Tokyo, Japan 2016.04 - 2020.03
Skills
Analytical Skill
Accomplishments
- Full Scholarship By the Japanese Government (MEXT Scholarship): Undergraduate & Master
- UTokyo Data Science School (UT-DSS): Data Science Foundations and Applied Data Science Coursework Completion
- Top 30 (out of 2400) Teams in Shopee Code League 2021 (Data Analytics, Data Science, Programming) https://www.credly.com/badges/2e916091-1272-4589-8f21-bb47ea74ee60?source=linked_in_profile
- Marketing Team member of Thai Students'
Association in Japan under the Royal Patronage 2018: Assist the marketing team of a non-profit organization for Thai students in Japan in recruiting and facilitating financial sponsors.
Software
Linux
Juila
R
C/C++
Hadoop
Apache-Spark
Tableau
SQL
MongoDB
Git
Java
Scala
Javascript/CSS/HTML
Publications
Trainable Discrete Feature Embeddings for Variational Quantum Classifier (Co-author)
- Presented at IPSJ SIGQS 2020 conference.
- Publication link: https://arxiv.org/abs/2106.09415
Projects
GMN-based Psychiatrist Chatbots
- Virtual Doctor Chatbot based on Graph Matching Network. Dialogues between doctors and patients were cleaned and used for the training of the model.
- Github link: https://github.com/Coldog2333/GMN_Chatbot
Timeline
Teaching Assistant
UTokyo Data Science School Internship Course
2021.04 - 2021.07
Data Scientist Internship
GMO Payment Gateway
2020.10 - 2021.02
Master of Engineering - Mechanical Engineering
University of Tokyo
2020.04 - Current
Bachelor of Engineering - Mechanical Engineering
University of Tokyo
2016.04 - 2020.03
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