I design and build systems that don’t just function — they feel alive.
Information Systems · class of 2023 · semester 7 · Digital Entrepreneurship · UKDW, Yogyakarta
(01) Status
Every line below points at a document. If I could not prove it, it is not on this page.
(02) Arena
Results exactly as announced. A track win is not rounded up to a first place, and an entry that did not place is listed as one.
Cult of the Digital Oracle · UI assets, GitBook docs and the six-minute pitch, on a team of three. One of six track winners.
Emitra · Co-presenter in the live, online English final — team MAKOSAN. One of 15 international finalist teams; three prizes awarded.
Sowan · Built the platform — team MAKOSAN. Certificate on file.
Sowan · Team MAKOSAN
Sowan
Also entered, did not place: Mantle Research Challenge (Jul 2026) · Hack-A-Agent Hackathon (Jul 2026) · 0G APAC Hackathon 2026 (May 2026) · Gadjah Mada Tourism Fair 2026 (Apr 2026)
Risk rules for a trading bot that anyone can check on-chain — the bot cannot overrule the guard.
Solo build: my own guard contract on BNB Smart Chain Testnet, a rebuilt web front end, and the demo.
My fork of a BCC UKDW seed project; the upstream core was written by others.
Not shortlisted for Demo Day
A scheduled allowance paid from a BNB vault — and refused by the contract when the position is not safe.
New in Cermin Saku: the scheduled allowance with two on-chain safety gates, and a Rupiah-first interface.
Builds on Cermin by Kiel (MIT licence, 1st place at Mezo Hackathon 2).
Top 15 of 228 · not in the final 10
Learning credentials anyone can verify in a browser — an AI agent proposes the grade, the issuer is checked on BNB Chain.
My part: the visual layer — the cinematic hero with the tilting credential card.
A team build: Hans Gunawan leads the product and contracts, with Dave Aryanda.
Invited to pitch at Demo Day(03) Selected work
Each one includes what went wrong and what is still unfinished. If a section is missing from a case, it is because I could not point at a document that proved it.
leap-2036.vercel.appHigh-school students in a three-day workshop
A decision game that compresses ten years of adult life into forty-five minutes, built for students on their own phones with bad school wifi.
youth-gkkk-ms.vercel.appVolunteers running a church youth ministry
A weekly bulletin that happens to be an admin system, for volunteers who were coordinating a ministry through spreadsheets and group chats.
sowan-app.vercel.appElderly Indonesians with knowledge and no route to income
A marketplace where elderly people are the paid experts, not the beneficiaries.
LEAP 2036Open ↗Offline-capable decision game used in a high-school workshop.Space Youth GKKKOpen ↗Weekly bulletin and admin system for a church youth ministry.SowanOpen ↗Marketplace connecting learners with elderly mentors. Five languages.
EmitraOpen ↗Carbon border compliance prototype for small exporters.
Peran GendisOpen ↗Public site with a production database for a community programme.DRIFTOpen ↗On-chain risk guard for a trading bot — hackathon build, Oct 2026.Cermin SakuOpen ↗Scheduled allowance with on-chain safety gates — hackathon build, Oct 2026.
KKN STEM HubOpen ↗Coordination site for the 59-student service programme.
GroundsToGrowOpen ↗E-commerce MVP with cart, checkout, orders and a seller dashboard.
EduFin AIOpen ↗Financial simulator with live tweakable parameters and real-time charts.(04) Path
(05) Guilds
Current roles across work, campus and community.
Sowan.id · student venture, and my thesis
Architecture, database design and the build, across the competition track and the thesis version.
Information Systems, UKDW
Faculty of Medicine, UKDW · Microsoft 365
Automatic reminders before partnership agreements (MOU/MOA) expire. Two test runs worked; still in progress.
Peran Gendis · community for women, children, gender and disability, Yogyakarta
Also taught as a volunteer in GeMar (Gendis Mengajar), the 2026 teaching programme, which has now finished.
BCC UKDW · the campus Web3 student community
My Mantle Research Challenge essay is published on the community blog.
GKKK Yogyakarta
On the Pemerhati team 2024–2026. Also plays drums and keys for services.
(06) Loadout
Core is what I write comfortably myself. Shipped with is what the live projects above are built on. Both are true; they are not the same claim.
(07) Signal
Open to internships, collaborations and hackathon teams, in Yogyakarta or remote. I am most useful where a real person has to be able to operate the thing.
