A paid, contracted e-commerce build for an Indonesian pet-care brand, live in production. Server-authoritative Midtrans payments, atomic order creation under row locks to prevent oversell, and live courier rates across 41 API endpoints.

A full-stack portfolio management and financial analytics platform for tracking holdings, ingesting broker statements, and monitoring performance across global equity markets.

A full-stack tool built to help users define, manage, and execute reusable AI-driven workflow templates in a dashboard.

An AI co-pilot for skincare formulation R&D, built in 24 hours by a team of four and picked in the top 10 of 30 finalists at UI Hackathon Incubate 2026. On real lab data it reached a formula meeting every spec in a median of 2.5 batches, versus 6 for random. I built the FastAPI backend and a local Qwen3 orchestrator whose numbers are checked against tool outputs.

Full-stack registration and digital-payment platform for a UI-hosted charity race, serving 1,000+ registered users. Built as Software Developer at Exercise FTUI.

End-to-end competition registration platform with payment gateway and secure media pipeline, serving 500+ users with 100+ successful payments. Built as Software Developer at Exercise FTUI.

An AI-powered web app that breaks down large, complex goals into highly actionable micro-steps.

A 2D sandbox factory-automation and mining game, built from scratch in Java with LibGDX on a Spring Boot backend.