A selection of enterprise platforms, open-source projects, and high-impact applications.
Modern developer portfolio built with SvelteKit & Prisma
A high-performance personal portfolio and dynamic CMS built with SvelteKit, TypeScript, TailwindCSS, and PostgreSQL. Features dynamic multi-language switching (EN, ID, JA, AR), dark/light mode with view transitions, and an automated publishing workflow via Obsidian.
Interactive Cost-Effectiveness & Budget Impact Analysis Tool for Healthcare Decision Making
Designed and built a complete Health Technology Assessment (HTA) platform to model the cost-effectiveness of vaccination programs. Features a React/TypeScript frontend with an interactive decision tree builder and a robust R backend executing real-time Markov chain simulations via heemod.
Customer rewards & point transaction engine
A customer rewards platform serving both retail point-of-sale terminals and mobile apps, built with Laravel and MySQL. Features append-only point ledger accounting and transaction row locks to prevent double-spending across distributed channels.
Inventory & logistics tracking solution
A comprehensive warehouse and inventory tracking system built with Laravel and MySQL. Streamlines goods receipt, location picking, stock transfers, and automated threshold alerts for enterprise supply chains.
Performance evaluation system for educators
A performance evaluation and KPI scoring platform tailored for academic institutions, built with Laravel and MySQL. Digitizes teacher activity tracking, semester evaluations, and administrative approval workflows.
Automated calendar event synchronizer
An automated integration tool that synchronizes Notion database tasks with Google Calendar events via serverless webhooks, ensuring two-way scheduling consistency.
