Hoang Tuan Duy
Data Engineer | Infrastructure Engineer | Business Intelligence
Contact Information
Email: data.duyht@gmail.com
Phone: (+84) 96 479 4208
Location: Hanoi, Vietnam
LinkedIn: duyht | Github: duyht | HackerRank: duyht
Current Role - PSI Technology (May 2025 - Present)
Vietnamese Insurance Chatbot
- Designed RAG architecture using vector search
- Implemented document ingestion pipeline with cleanup, chunking, and tokenization
- Integrated streaming STT/TTS for real-time voice interaction
- Managed CUDA and PyTorch dependencies for GPU optimization
Multi-OS Homelab Infrastructure
- Designed Proxmox-based virtualization platform for ~30 concurrent users
- Deployed Linux and Windows servers across VMs and containers
- Implemented WireGuard VPN with role-based access
- Optimized for ~100 concurrent users in production
Rackspace Singapore (June 2023 - Present)
Power BI MCP Development
- 95% reduction in DAX management time
- 80% reduction in DAX defects
- Spec-driven development framework using Kiro
- Automated Power BI semantic model generation
Tableau to Power BI Migration
- Migrated ~300 reports from Tableau to Power BI Premium
- Automated Tableau Formula to DAX transformation
- Implemented RLS and user filters for data governance
Azure Infrastructure Projects
- CSP to EA migration for ~40 Resource Groups and ~500 Azure resources
- SQL Server to Azure Synapse Analytics migration
- SAP BW to Power BI workspace migration (~100 reports)
Technical Skills
Programming
Python, SQL, PowerShell, PySpark, T-SQL
Cloud Platforms
Azure Synapse, Databricks, Microsoft Fabric
Business Intelligence
Power BI, DAX, Tabular Editor, SAP BW
Infrastructure
Proxmox VE, Docker, Linux, Windows Server
AI/ML
PyTorch, CUDA, Vector Databases, RAG
Data Engineering
Hadoop, Airflow, Minio, PostgreSQL
Education & Certifications
Education: Foreign Trade University, Hanoi - Bachelor in Business Administration
Certifications:
- Azure Fundamentals (AZ-900)
- Power BI Data Analyst Associate (PL-300)
- Data Engineer Associate (DP-203)
- Data Science in Economics and Business (Datapot)
- Python, SQL (DataCamp, HackerRank)