Satyanarayan
Senior Data Engineer
Ho Chi Minh City, Vietnam · UTC+7 · 8 years of experience
Satyanarayan focuses on dependable data products with tested transformations, lineage, and freshness controls.
Request a shortlistWhy this profile fits
Trustworthy data products
Defines contracts, tests, ownership, lineage, and freshness expectations for data used by teams and models.
Scalable processing
Chooses batch, streaming, and storage patterns around volume, latency, recovery, and operating cost.
Operable pipelines
Designs idempotent jobs, backfills, alerting, and incident procedures rather than treating a successful first run as done.
Relevant toolkit
Python
dbt
Spark
AirflowDelivery 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.
AI/ML Engineer
Jan 2026–PresentViitorCloud Technologies · Ahmedabad, Gujarat, India · On-site
- 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
Apr 2025–Jan 2026Summertown AI · Ahmedabad, Gujarat, India · On-site
- Built and productionized AI agents and RAG pipelines (recruiter AI, voice agents, browser/email agents) using Amazon Bedrock, LangChain, FAISS/Qdrant, enabling semantic search and automated workflows across.
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Skill depth
Show experience in context.
Relevant experience by skill
See the complete skill index
Languages
Frameworks
Libraries/APIs
Tools
Paradigms
Platforms
Storage
Other
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
dbt Analytics Engineering Certification
dbt Labs · 2025 · Certified
SnowPro Advanced: Data Engineer
Snowflake · 2024 · Certified
Communication
Languages
Vietnamese
Native
English
Professional
Japanese
Conversational
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