Yosef Winatmoko
Data Analyst
Special capital Region of Jakarta, Indonesia
Summary
👤
Senior🎓
Top SchoolYosef Winatmoko is a data analyst with nine years of hands-on experience building analytics platforms and driving data-informed decisions across startups, consultancy, FMCG, and fintech. He specializes in analytics engineering, BI stack design, and operationalizing ML/NLP solutions—having implemented OLAP on AWS, integrated Azure/Databricks/Snowflake data marts, and boosted a support bot’s accuracy from 95% to 99.5% using RAG and prompt engineering. At Traveloka he led BI roadmaps, reduced payment-failure reaction time to five minutes, and mentored a team of analysts; at Nestlé he owned end-to-end reporting and advanced analytics use cases for finance, supply chain, and marketing. He holds a joint MSc in Data Science and Entrepreneurship (cum laude) and writes regularly about his learnings on personal blogs, signaling a strong blend of technical depth and communication. Comfortable in both strategic due diligence and production data pipelines, Yosef combines startup agility with enterprise-grade governance. He’s based in Jakarta and has a long-standing interest in NLP applications, often bridging research ideas into pragmatic business impact.
9 years of coding experience
3 years of employment as a software developer
Master of Science - MS, Data Science and Entrepreneurship, Cum Laude, Master of Science - MS, Data Science and Entrepreneurship, Cum Laude at Jheronimus Academy of Data ScienceBachelor of Science - BS, Informatics, Cum Laude, Bachelor of Science - BS, Informatics, Cum Laude at Institut Teknologi Bandung (ITB)
Indonesian, English
Github Skills (16)
bilstm10
crf10
entity9
pytorch7
nlp7
sequence-labeling6
natural-language-processing6
named-entity-recognition5
relation-extraction2
python2
keras1
data-visualisation1
labeling1
data-visualization1
cargo1
Programming languages (3)
Github contributions (5)
yoseflaw/nerindo
Jul 2020 - Aug 2022
Named Entity Recognition with BiLSTM, CRF, and Attention-based models implemented in PyTorch for Indonesian News.
Contributions:9 commits, 1 PR, 7 pushes in 2 years 1 month
pytorchbahasa-indonesianlpnerentity-recognition
yoseflaw/KArgo
Mar 2020 - Jul 2020
Automatic Knowledge Acquisition for Special Cargo Domain with Unsupervised Terms and Relations Extraction
Contributions:25 pushes, 1 branch in 3 months
nlprelationsextractionnerspecial-cargo
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