DiGasss
Telkom Infrastruktur Indonesia
Field network operations platform for fibre telecom assets. One system covers assets, cable, CCTV, backbone, incidents, budget, reconciliation, and others.
100K+records in the heaviest query paths
Selected Work
Applications I have built, and what they moved
18 systems across telecom infrastructure, SaaS products, university and government work, and the small tools I build along the way.
e-Materai
Qansa
SaaS platform for electronic stamp duty (e-Materai) in Indonesia. Guests stamp without registering, quota survives a failure, and a free PDF tool suite brings in the users.
62commits as software Engineer
UINSU Smart Admission
Islamic State University of North Sumatra
University admission platform. Holds applicant records, tracks school-record (ISP) phases, scores assessments, and answers questions by chatbot and WhatsApp.
49controllers, 37 models, 115 migrations
SIMPRODI
Library Science Study Program, UINSU
The Library Science study program's own system for its academic year: exams, thesis supervision, letters, SKK, and tracer study.
34models, 66 migrations
SiKopertais
Indonesian Ministry of Religious Affairs
Lecturer workload (BKD) and promotion platform for private Islamic universities. Applications run in stages, and every verdict has to survive an audit.
312route definitions
SIMRS Mitra Medika
RS Mitra Medika Premiere
Hospital information system. My part was the API layer behind patient medical records, where the shape of the query decided everything.
+40%record access throughput
KasirQu
PT Era Cipta Digital
POS and cashier SaaS for Indonesian UMKM: quick checkout, live sales reporting, and stock management, sold in three tiers with API access and white label on the upper two.
35%faster API responses after optimization
BKMQu
Majelis Ulama Indonesia (MUI) Kota Medan
Digital management platform for mosques: administration, dakwah programmes, and congregation records. Initiated by MUI Kota Medan with the City Government of Medan.
3domains unified: mosque, dakwah, congregation
SIAPA
Team project
A map of the bureaucracy behind an Information Systems degree: which office, which form, in which order, for every procedure a student has to walk through.
144commits
RStore
PT Era Cipta Digital
E-commerce platform for a retail business: storefront, search, cart, checkout with live shipping rates, and an admin catalogue in the same codebase.
27models across catalogue and orders
SIRAPAT
Kota Binjai
Parking-levy reporting for the Ikan Paus bus terminal in Binjai. One record per vehicle, carried through to the report that reaches leadership.
1entry point instead of two
Aleysia: NLP property chatbot
Undergraduate thesis
Undergraduate thesis. A chatbot for a housing estate that takes a request in plain Indonesian, recommends units from it, handles bookings, and simulates mortgage (KPR) offers.
78commits on the backend
QR Ordering System
Team project
Self-ordering for restaurants, cafés, and fast food. The customer scans the QR on the table, orders and pays from their own phone, and the kitchen slip prints itself.
0accounts or installs required to order
Sportify
Team project
Sports-venue rental platform. Find a court, see which slots are empty, book them, and ask a retrieval-augmented chatbot that answers from the venue's own data.
122commits
Koperasi Serba Usaha
Koperasi
Multi-tenant platform for an Indonesian credit union: member savings, accounts, and a superadmin overseeing several cooperatives.
Multi-tenantscoping via one shared trait
Scribd Viewer
Personal project
A free browser tool for reading Scribd documents that are otherwise locked behind Scribd's own viewer.
Livepublicly hosted tool
siHadir
Information Systems, UINSU
Employee attendance and presence tracking. The name is the Indonesian word for 'present', which is the whole idea.
Role-basedaccess control on attendance data
youarethebluest
Personal project
A web photobooth. Capture, filter, and arrange shots in the browser, then export as an image, GIF, or video.
Image / GIF / Videoexport formats