Tiktok Shop / Tokopedia Sep 2021 - Now
- Created an enhanced MA forecast for short time series reducing error by 15-20% • Developed a restocking recommender using probabilistic forecast, reducing both DOI and working capital by 10% while maintaining target availability of 95%
- Built a model selector pipeline to enable seamless model ensembling, and selection, reducing time to manually ensemble by 75 %
- Developed a hypothetical price forecast using LGBM, reducing error by 7% • Day to day discussion with stakeholders, problem formulation, managing expectations, and performing root cause analysis to come up and realize new ideas into the forecasting system smoothly
- Involved in product development, starting from ideation, exploratory data analysis, backtesting, shadow testing, live testing, A/B testing and deployment
Generali Indonesia – Data Scientist Jun 2021 – Sep 2021
- Image classification model using CNN and utilizing pre-trained models to classify dependent’s hobbies
- Web scraping from Instagram using Selenium to get all follower’s username
Supertype – Data Scientist Aug 2020 – Dec 2020
- Developed a keyword extractor, utilizing packages such as nltk, gensim, and spacy to gather key points from comments for applications on Google Play Store as feedback to app developers
- Assisted instructor as a teaching assistant on R programming