Sun Weiran
Solution Architect at OpenAI
Singapore
Summary
👤
Senior🎓
Top SchoolSun Weiran is a Solution Architect based in Singapore with eight years of hands-on experience building and deploying machine learning and data-driven systems across consulting, insurance, and public-sector domains. He moved from data science roles at Munich Re and NCS into senior data science at BCG X/BCG, delivering real-time underwriting and fraud-detection models and translating technical insights into business impact. Now at OpenAI, he focuses on architecting solutions that bridge advanced ML capabilities and production requirements. Sun combines deep applied experience in imbalanced-data problems and real-time inference with practical engineering—automating point-of-sale underwriting and productionizing models for operational use. He also writes about technical topics on Medium, reflecting a penchant for explaining complex ML concepts to broader audiences. Colleagues would describe him as a practitioner who balances rigorous model diagnosis with pragmatic product delivery.
8 years of coding experience
8 years of employment as a software developer
Junior College Science Stream, Junior College Science Stream at Anderson Junior CollegeSecondary Express, Secondary Express at Anglo-Chinese School (Independent)Master of Computing Artificial Intelligence Specialization, Master of Computing Artificial Intelligence Specialization at National University of Singapore
English, Chinese, Japanese
Stackoverflow
17reputation
436reached
0answers
1question
Github Skills (12)
python6
ensemble-learning4
random-forest4
machine-learning3
data-science2
scalable2
deep-learning2
categorical2
hyperparameter-tuning2
distributed-training1
kaggle1
encoding1
Programming languages (2)
Github contributions (5)
ianforme/india-covid-ql-helper
Apr 2020 - Sep 2021
Contributions:189 pushes, 1 branch in 1 year 5 months
ianforme/wechatrobot
May 2019 - Jun 2019
Contributions:10 commits, 20 pushes, 1 branch in 1 month
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