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Team products, hackathon builds, research, and small tools, newest work first.

2026 · Featured

Smart Invoice Reminder AI (SIRA)

SaaS accounts-receivable platform that automatically reminds customers to pay their invoices. Team of 9 — I was Scrum Master and a full-stack developer.

  • Built a deterministic, weighted credit-risk scoring engine that rates each customer LOW / MEDIUM / HIGH, so businesses know who to follow up first.
  • Profiled a Celery background task with pyinstrument and removed an N+1 query bottleneck, then refactored it with Extract Class and dependency injection.
  • Python
  • FastAPI
  • React
  • Celery
  • PostgreSQL

Performance

121 ms to 4 ms

~97% faster · Celery task after removing an N+1 query

  • 2024

    SubmiD

    1st place · CodeFest ICP Hackathon 3.0

    Decentralized form builder and response-collection platform on the Internet Computer, built by a team of 4 in about two weeks. I owned testing and deployment for the final demo.

    • TypeScript
    • Azle
    • React
    • Internet Computer

  • Ongoing

    Speech Recognition for Stuttered Speech

    In progress

    Disfluency-aware ASR for Indonesian speech: reproducing an existing research pipeline and adapting it so Whisper handles stuttered speech better, and exploring a live streaming version.

    • Python
    • OpenAI Whisper

  • Solo

    SCeLE Deadline Bot

    Monitors SCeLE, UI's Moodle-based learning platform, and sends Discord alerts when deadlines or course content change.

    • TypeScript
    • Node.js
    • GitHub Actions
    • Vercel

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