Elsa-Zhan-Portfolio

Elsa Zhan – Business Analyst Portfolio

Technical BA | 2+ years in enterprise software | HKUST MSc | IANG Visa ready
📍 Hong Kong · 📧 zhanshuqing0328@gmail.com · LinkedIn

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🧭 Quick Navigation

What you’ll find	Read more
📊 Data Science Projects – Airbnb, Credit Suisse sentiment, coupon prediction, YouTube analytics	Intro Of Data Projects.md
⚙️ ERP & Low‑Code Platform – 50+ tables, 80+ APIs, inventory module design, UAT framework	Intro For My ERP Expirement.md
📄 Full Resume – Experience, skills, education, achievements	Elsa Resume (Markdown version here)

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🚀 Project Highlights

📈 AI & Data Strategy (4 projects)

• Airbnb Superhost prediction – Logistic regression + XGBoost, AUC ~74%, actionable host recommendations
• Credit Suisse crisis sentiment labeling – 4,000+ news headlines, TextBlob rule‑based pipeline
• Coupon acceptance DNN – 73.8% test accuracy, feature engineering + L1 regularisation
• HKUST YouTube channel analysis – Power BI dashboard, content strategy recommendations

🏭 Enterprise SaaS Platform

• Designed core inventory module: 7 tables (product, warehouse, batch, stock, adjustment, transfer, loss)
• Contributed to 50+ database tables and 80+ CRUD APIs across 5 modules
• Wrote 400+ UAT test cases, tracked 30+ critical defects to closure

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💼 Professional Snapshot

• Business Analyst Trainee @ FlexSystem – ERP requirements, DB design, API definition, UAT lead
• Management Trainee @ FlexSystem – WordPress rebuild (+50% traffic), AI‑enriched customer data (1,000+ records)
• Data Product Manager Intern @ CSMAR – product demos, user stories, teaching case studies
• Technical stack: SQL, Python (pandas), Power BI, low‑code platforms, LLM prompting (Gemini, ChatGPT, DeepSeek), JavaScript, HTML, CSS

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📁 Repository Structure

MyPortfolio/
├── images/  
│   ├── ERP screenshots  
│   ├── Module flowcharts  
│   └── UAT management screenshots
│
├── MyBusinessAnalyticsProject/  
│   ├── Airbnb Actionable Factor Modeling – Turning Hosts to Superhosts  
│   ├── Credit Suisse Crisis Sentiment Analysis of International News 2023  
│   ├── Predictive Modeling for Coupon Acceptance – Business Application of DNN  
│   └── YouTube Channel – Channel Visualization Analysis and Suggestions of HKUST  
│
├── Intro For My ERP Experiment.md      # Detailed ERP system design & testing documentation  
├── Intro Of Data Projects.md           # Detailed descriptions of all data projects  
└── README.md                           # Overview of the portfolio (you are here)

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📥 How to Use This Repository

• View Markdown files – GitHub renders them automatically. Click any .md file to read.
• Download a single file – Open the file, click Raw → right‑click → Save as.
• Download everything – Click the green <> Code button → Download ZIP.

All reports, code outputs, and images are included and can be downloaded directly.

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📬 Contact

• Email: zhanshuqing0328@gmail.com
• LinkedIn: linkedin.com/in/elsazhan
• Portfolio link:
  • Google lnk.ink/elsazhan-portfolio
  • Github github.com/elsa123456789/Elsa-Zhan-Portfolio

Open to Business Analyst / Product Analyst roles in Hong Kong – full‑time, IANG visa ready.