Things I have built, from work and teaching to side projects. Mostly Laravel and React, with whatever else the problem needed.
This site: a personal notes and project space, built on Astro and self-hosted.
Indonesian payroll system covering PPh 21 TER calculation, BPJS contributions, and a queued payslip lifecycle.
Logistics information system for POLRI.
A book CRUD application with authentication and multi-role access.
Learning management system for the Audit Board of Indonesia.
Certification platform with a digitized e-certificate workflow and online signing, held to a two-week SLA.
Information system audit for Kementerian Ketenagakerjaan.
Software testing on a proof-of-concept land administration platform for Kementerian ATR/BPN.
National lake information portal for BRIN, centralizing authoritative datasets for conservation policy.
The reporting module inside Binmas Online System V2, for Korbinmas Baharkam Polri.
Environmental information system for KLHK, handling environmental impact assessment submissions.
Online submissions platform for KORBINMAS POLRI that cut end-to-end processing from three months to three weeks.
Lightning strike geospatial computation for BMKG, calculating strike intersections in concurrent time windows.
Full system design and specification for the next-generation social welfare information system at Kementerian Sosial.
Personnel data platform for SDM POLRI, replacing a legacy system with centralized, searchable records.
Application for the teacher performance and accountability programme, for TNP2K and Kemendikbud.
Enterprise architecture implementation at PT PJB head office.