Piano
Haoran Ma
Data Scientist
Summary
Well-qualified Data Scientist experienced working with vast data sets to break down information, gather relevant points and solve advanced business problems. Skilled in predictive modeling, data mining and hypothetical testing. Offering 2 years of experience in improving business operations.
Overview
3
3
years of professional experience
2
2
years of post-secondary education
3
3
Languages
Work History
Data Scientist
NTT Communications/ NTT Resonat
Tokyo
01.2022 - Current
- Utilized advanced querying, visualization and analytics tools to analyze and process complex data sets.
- Compiled, cleaned and manipulated data for proper handling.
- Tested and validated models for accuracy of predictions in outcomes of interest.
- Presented findings orally and in writing with advanced mathematical models.
- Implemented randomized sampling techniques for optimized surveys.
- Leveraged mathematical techniques to develop engineering and scientific solutions.
- Applied statistical and algebraic techniques to interpret key points from gathered data.
- Created an attrition prediction model using machine learning on Jupyter Notebook.
- Created an attrition prediction dummy model to prepare for future projects, following these steps:Generating fictitious information, Data visualization, LightGBM-based model building, Adjustment, Evaluation, Using the SHAP formula to find important features, Outputing a list of those workers who are likely to quit, Distributing through website Github
NLP Engineer
NTT Communications/ NTT Resonant
Tokyo
04.2020 - 01.2022
- Tested troubleshooting methods and documented resolutions for inclusion in knowledge base for support team use.
- Corrected, modified and upgraded software to improve performance.
- Developed Telegram chatbots using ML and DL.
- Kept up with the state of the IT world by reading the newest papers and make presentations within the team or the company
- Attended expositions to present and sell models of chatbots made by my team.
- Taught members from companies in the group the fundamentals of artificial intelligence
Education
Master of Arts - Linguisitics
Kyoto University
Kyoto 04.2018 - 04.2020
No Degree - Data Science
Lewagon
Tokyo 04.2001 -
Skills
Python
Interests
Drawing
Timeline
Data Scientist
NTT Communications/ NTT Resonat
01.2022 - Current
NLP Engineer
NTT Communications/ NTT Resonant
04.2020 - 01.2022
Master of Arts - Linguisitics
Kyoto University
04.2018 - 04.2020
No Degree - Data Science
Lewagon
04.2001 -
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