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darderrdur17/README.md

Hi, I'm Derren πŸ‘‹

Data Science & Analytics @ NUS Β· Full-Stack Developer Β· Product Builder

I build end-to-end products that sit at the intersection of data, engineering, and real-world impact β€” from a live cognitive health platform used by dementia caregivers to a GDPR-compliant health economics research tool deployed in active clinical interviews.


πŸš€ Featured Projects

Project Stack Description
360Cogni React 19, TypeScript, React Native/Expo, Supabase Live cognitive health platform β€” 6-domain screening, brain training, caregiver management across web & mobile
NUS Health Economics Tool React/TS, Node.js, PostgreSQL, JWT, AES-256 GDPR-compliant EQ-5D-5L TTO research platform Β· WCAG 2.1 AA Β· multi-language (EN/ES/ZH/ID)
AI Marketing Dashboard React 18, TypeScript, Supabase Edge Functions 4 autonomous AI agents Β· predictive revenue forecasting Β· A/B testing with Z-test significance
Receipt Automation Google Apps Script, Gemini 2.5 Flash, Google Sheets Form β†’ AI β†’ structured Sheet pipeline Β· extracts vendor, GST, totals from PDF/JPG receipts
Halal Food Data Pipeline Python, Pandas, BeautifulSoup 2,695+ establishments scraped from MUIS Β· 99.72% address coverage Β· reproducible Makefile pipelines
Bassline β€” SF Nightlife App React, TypeScript, Supabase, Leaflet Search/filter bars & clubs Β· interactive map Β· distance/time from location Β· save favourites with auth

πŸ› οΈ Tech Stack

Frontend React TypeScript React Native Tailwind CSS

Backend & Database Node.js Django PostgreSQL Supabase

Data & Analytics Python Pandas SQL Tableau

Deployment Vercel Render


πŸ“Š Experience Highlights

  • πŸ₯ Product Manager Intern @ Digital Health Startup β€” launched 360cogni.com from zero to MVP
  • 🎲 Web & Mobile Dev Intern @ NUS (DSFP Programme) β€” built dementia support platform for seniors & caregivers
  • πŸ”¬ Student Researcher @ NUS β€” GDPR-compliant health economics research tool for clinical TTO interviews
  • πŸ“Š eCommerce Analytics Intern @ Marina Bay Sands β€” 98% data accuracy, 15% conversion lift, 83% time saved
  • πŸ€– Software Developer @ Medisaya β€” 50,000+ records scraped, Django REST APIs, AI/ML integration
  • βœ… QA Student Assistant @ AI Singapore β€” 1,000+ files validated, 30% reduction in post-launch errors

πŸŽ“ Education

B.Sc. Data Science & Analytics β€” National University of Singapore (2022 – Present)

Relevant coursework: Machine Learning, Data Science in Practice, Regression Analysis, Mathematical Statistics, High-Dimensional Statistical Analysis, Quantitative Finance


πŸ“¬ Connect

LinkedIn Portfolio Email


Open to full-time opportunities in Software Engineering, Data Analytics, and Product β€” based in Singapore πŸ‡ΈπŸ‡¬

Pinned Loading

  1. bassline-app bassline-app Public

    TypeScript

  2. 360Cogni 360Cogni Public

    Dementia Support Platform - MindBridge MVP

    TypeScript

  3. EQ-5D-5L-TTO EQ-5D-5L-TTO Public

    TypeScript

  4. Receipt-Image Receipt-Image Public

    JavaScript

  5. sp500-sector-analysis sp500-sector-analysis Public

    Jupyter Notebook

  6. Bayesian-Optimized-Pair-Trading--S-P-500- Bayesian-Optimized-Pair-Trading--S-P-500- Public

    Jupyter Notebook