Not code dumps — narratives on the problems, architectures, and production thinking behind each system.
Production financial system for a health-worker cooperative — double-entry accounting, automated batch processing, five user roles, and legacy Excel data migration.
End-to-end ML pipeline for 45 IDXBLUE stocks — MLflow experiment tracking, Grafana monitoring, Docker deployment, and automated retraining. The public repo is a simplified version of the production system.
Detect-then-classify architecture for high-accuracy object recognition, optimized for edge deployment with ONNX and INT8 quantization. The public repo is a simplified version of the enterprise system.
Interactive RAG chatbot answering questions about my CV. Built with LangChain LCEL, FAISS, FastEmbed (ONNX), Groq Llama 3.3, and RAGAS.
Playwright-based scraper that searches 2,500+ products across 4 Indonesian e-commerce platforms — with anti-bot evasion.
AI-driven chess variant exploring decision systems and heuristic search — Minimax with Alpha-Beta pruning for a custom rule set.