Hackathon Experience

Experience building and shipping products under time constraints, with a focus on end-to-end delivery.

AI for Sustainability Hackathon — PlastiTrace

Role: Team Lead & ML Engineer

Highly Commended / Top Finalist
  • Built plastic-type detection system (HDPE, PET, PP, PS) using CNN transfer learning
  • Achieved >99% validation accuracy
  • Engineered ONNX export + offline mobile inference pipeline
  • Designed consumer-facing mobile UI for scanning and education
  • Produced scientific documentation (LaTeX, PGFPlots, ablations)

FinTech / Algo-Trading Mini-Hackathon — UW-Tracker Mobile

MVP completed under time constraints
  • Built IPO underwriter analytics app for Indonesian capital markets
  • Implemented on-device processing, dashboards, and filtering
  • Automated data enrichment using Airtable + Telegram + LLM
  • Published to Google Play Store within 48 hours

Data Engineering Sprint — IHSG Underwriter Scraper

Fully working ETL automation
  • Built Python scraper for Indonesian IPO underwriter data
  • Automated refresh and normalization (JSON output)
  • Integrated into UW-Tracker and personal analytics stack

Product & UX Hackathon — NutriCart

Role: Backend & ML Developer

Functional prototype + UX demo
  • Built nutrition-aware grocery optimization app
  • Designed lightweight recommendation and scoring system
  • Supported frontend with API logic and prototype data flows