Tran Minh Khoa
Senior Data Scientist
Ho Chi Minh City, Vietnam · UTC+7 · 8 years of experience
Tran focuses on turning messy data into tested models and useful decisions.
Request a shortlistWhy this profile fits
Decision-first problem framing
Starts with the decision, target metric, and data limits before choosing a model or analytical method.
Validated modeling
Uses holdouts, experiment design, and error analysis to separate a useful signal from a convincing notebook.
Clear operational handoff
Documents assumptions, monitoring needs, and the path from analysis to a decision or production workflow.
Relevant toolkit
PythonSQL
scikit-learn
PyTorch
dbtDelivery evidence
Selected work
Embedding-Based Recommender Migration
Consumer e-commerce marketplaceReplaced a legacy collaborative-filtering engine with a two-tower retrieval model and pgvector approximate nearest-neighbor search feeding a gradient-boosted ranker. Add-to-cart conversion rose 23% and long-tail catalog coverage nearly doubled, validated through a staged A/B test across 12 million monthly users.
Real-Time Personalization Feature Store
Streaming and media platformDesigned a low-latency feature store and streaming pipeline so ranking models could react to in-session behavior within seconds rather than hours. Cut feature staleness from overnight to under 30 seconds and improved session watch-time by 11% on personalized rails.
Relevant experience
Career timeline
Senior Data Scientist, Personalization and Recommendations
Feb 2022–PresentRegional E-Commerce Marketplace (30M+ MAU) · Ho Chi Minh City, Vietnam (Remote)
- Led the migration from item-to-item collaborative filtering to a two-tower retrieval and learning-to-rank stack, lifting homepage add-to-cart conversion 23% across 12 million monthly users.
Data Scientist, Recommendations and Growth
Apr 2020–Jan 2022Consumer Fintech and Lifestyle Super-App · Ho Chi Minh City, Vietnam
- Built the personalized offers and content-ranking models that grew in-app feed click-through rate 17% and drove a 9% lift in cross-sell of financial products.
Data Scientist
Jul 2018–Mar 2020Digital Media and Ad-Tech Agency · Ho Chi Minh City, Vietnam
- Built content-recommendation and audience-segmentation models that increased average pages-per-session 14% across a network of publisher sites.
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Skill depth
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Relevant experience by skill
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Frameworks
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Tools
Paradigms
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Education
Formal background
Bachelor of Engineering, Computer Science
Ho Chi Minh City University of Technology (VNU-HCM) · 2014–2018 · Distinction, GPA 3.6/4.0
Master of Science, Data Science
John von Neumann Institute, VNU-HCM · 2019–2021
Credentials
Certifications
Databricks Certified Machine Learning Professional
Databricks · 2025 · Certified
SnowPro Advanced: Data Scientist
Snowflake · 2024 · Certified
Communication
Languages
Vietnamese
Native
English
Professional
Japanese
Conversational
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