Hi, I'm Allen Choong

Senior software engineer specialising in backend systems, AI integrations, and data pipelines. I build production-grade tooling that ships reliably and scales cleanly.

Featured Work

• Itinerary activities deduplication

  May 2026

  Deduplicating itinerary activities using MinHash LSH and semantic clustering

  • python
  • airtable
  • travel

• PDF extraction

  May 2026

  Extract PDFs and other documents into structured itineraries

  • rails
  • airtable
  • travel

Skills

• Ruby on Rails
• Python
• PostgreSQL
• OpenAI API
• JavaScript
• React
• Docker
• Linux
• C#
• C++