Nur Wijaya
SSenior Data Scientist at Saffron Analytics | ex-Hyundai Motor
- Saffron Analytics
- Jakarta, Indonesia · WIB (UTC+7)
- 10+ years experience
- University of Auckland
- English, Bahasa Indonesia
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Overview
10 years in data science and analytics, the last 4 at Saffron Analytics, where I work on the recommendations team. Shipped a ranking change that increased conversion 2.8%. Most at home with Python and ranking. Learning Japanese, slowly.
Good reasons to reach out
- Thoughtful intros to people in my field
- Second opinions on PyTorch decisions
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- Courses and coaching offers
- Unpaid work or spec projects
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Skills
recommender systemsPythonPyTorchSparkrankingembeddings
Experience
- Senior Data ScientistJul 2022 - PresentSaffron Analytics · 4 yr 3 mo · Full-time · Jakarta, Indonesia
- Replaced 57 hand-built dashboards with one metrics layer people trust.
- Built the recommendations models now used in 10 product decisions a quarter.
- Shipped a ranking change that increased conversion 8.5%.
- Data AnalystFeb 2021 - Jun 2022Hyundai Motor · 1 yr 4 mo · Full-time · Jakarta, Indonesia
- Wrote the metric definitions the leadership team reviews every week.
- Taught SQL to 107 non-analysts.
- Data ScientistJul 2019 - Feb 2021Woolworths Group · 1 yr 7 mo · Full-time · Jakarta, Indonesia
- Wrote the metric definitions the leadership team reviews every week.
- Data ScientistAug 2017 - Jul 2019PwC · 1 yr 11 mo · Contract · Jakarta, Indonesia
- Moved the homepage from rules to a learned ranker.
- Taught SQL to 97 non-analysts.
- Data AnalystOct 2016 - Aug 2017Google · 10 mo · Full-time · Jakarta, Indonesia
- Taught SQL to 100 non-analysts.
Projects
Recommendation systems benchmark
2026Reproducible benchmarks comparing embeddings and recommender systems on real workloads.
References
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Education
- University of AucklandBSc, Economics2012 - 2016
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