© Profile
(IRL — 01)
Daffa.
Procurement manager and software engineer. I buy for the business and build the systems it runs on.
- Role
- Procurement Manager + Software Engineer
- Company
- Kyou Hobby Shop
- Based in
- Jakarta, Indonesia
- Stack
- Go · TypeScript · React · PHP
© About
(IRL — 02)
I buy anime figures and merch from suppliers in Japan, China and Hong Kong for an Indonesian hobby retailer, and I engineer the platform that whole process runs on, from purchase order to warehouse shelf.
© Experience
(IRL — 03)
Experience
Software EngineerKyou Hobby Shop · internal platform
Jun 2026 — now · Harapan Indah, Bekasi · on-site
Procurement ManagerKyou Hobby Shop
Sep 2023 — now · Harapan Indah, Bekasi · on-site
Business Development RepresentativeMango Network
Jan 2025 — Jun 2025 · full-time · remote
Radio Frequency EngineerPoktel Indonesia
Oct 2021 — Sep 2023 · freelance · remote
Freelance Graphic DesignerOrie Digital Printing
Aug 2019 — Jan 2020 · Bandar Lampung · remote
© Engineering
(IRL — 04)
Built from the
buyer's seat.
I write code for the work I do every day, so the tools match how purchasing and the warehouse actually run. Built with AI coding agents, reviewed and shipped to production by me.
1,700+
commits to production repos
11
company repositories
Jun 2026
first production commit
Go · TS · PHP
main languages
Purchasing platform
Go · React · TypeScript
Warehouse and arrivals
Go · React · MySQL
Catalog tooling
React · image processing
Ops assistant bot
Discord · Node · live data
Supplier browser extension
Chrome extension
© Skills
(IRL — 05)
Capabilities
(01)
Procurement
- Supplier sourcing
- Distributor relations
- Pricing
- Gross-margin review
- Pre-order planning
(02)
Operations
- Arrival flow
- Stock distribution
- Landed cost
- Reporting
(03)
Software
- Go
- TypeScript
- React
- Next.js
- PHP / Laravel
- MySQL
- PostgreSQL
(04)
Automation
- Discord bots
- Python scrapers
- Google Apps Script
- Chrome extensions
(05)
Tooling
- Git / GitLab / GitHub
- AWS
- Vercel
- Claude Code
- Codex
© Side projects
(IRL — 06)
Side projects
Public things I built outside work, mostly for the Ritual community.
Siggy Bot
AI companion that won Ritual's community vote and became the official Siggy Bot in its Discord.
Ritual Dashboard
Official testnet dApps and community experiments in one place.
Ritual Cards
Collectible cards for every eligible Ritual community member.
Ritual Ticket
Golden-ticket page for the Ritual testnet launch.
More on GitHub.
© Contact
(IRL — 07)
Let's talk.
© Web3 operator
(WEB3 — 01)
Decka-tan.
I show up in person, post what happened, and keep partners moving.
© Receipts
(WEB3 — 02)
Receipts
Numbers from public X posts and partner accounts, as they stood when each was added.
20.1K
X followers
@decka_tan + @decka_chan
3.1M+
X impressions
selected posts and campaigns
2.9M+
collab reach
Mango Network partner posts
15
IRL posts
meetups, cons and merch since 2025
7.4K
community built
CryptoPride followers, co-founded
1/1
Siggy Soulsmith
official Siggy Bot, Ritual
© Meetups
(WEB3 — 03)
Web3 happens
in rooms too.
15 IRL posts from meetups, cons and merch runs across Indonesia, each with the numbers still attached.
Comic Frontier 22
May 2026ICE BSD, Indonesia · Booth prep · 1,071 views
A peak week preparing a booth for the con.
Ritualist Indo meetup
Mar 2026Bandung · Community recap · 1,060 views
Ritual's Indonesian community in one room, recapped for everyone who could not make it.
Indonads Ngiring KemBALI
Aug 2025Bali · Attendee + vlog · 3,020 views
Monad's Indonesian community in Bali. Came back with merch, a thank-you post, and a trip vlog.
Indonads meetup
Jun 2025Jogja · Attendee + recap · 814 views
Nads meeting nads. The PFPs on the faces are the community's own.
Haha x Indonads
Mar 2025Indonesia · Attendee + recap · 532 views
Two communities in one meetup, cutouts included.
Siggy IRL series
Feb 2026Out and about · Merch + content · 1,156 views
Taking Ritual's mascot offline as a plush and a tote bag, one post at a time.
More from the ground · 9 posts
Another Siggy IRL series post, this time with a handy tote bag.
Feb 12, 2026 · 339 views
Ritual joins the Helios Rap trend with multiple regional communities.
Jan 14, 2026 · 2.8K views
Short video of Decka going to an Anime Con to propagate $CHOG IRL.
Nov 18, 2025 · 1.1K views
gmonad. molandak looking good.
Nov 9, 2025 · 411 views
#chogoween low-cost cosplay with a gothic anime girls soundtrack.
Oct 27, 2025 · 1.1K views
A Monad merch arrival note after winning the MITM giveaway.
Oct 9, 2025 · 950 views
A thank-you post after the Indonads Bali meetup game prizes.
Aug 27, 2025 · 4.4K views
merchcelerate from the Indonads Monad Bali meetup.
Aug 24, 2025 · 690 views
H-0 for the Indonads Ngiring KemBALI meetup.
Aug 23, 2025 · 1.2K views
© Community
(WEB3 — 04)
Community
@CryptoPrideIDCo-founder
CryptoPride
Helped turn an OG Mango Network side community into a broader Web3 circle for builders, traders and investors, with its own Discord, content rhythm and a free-mint NFT launch on Base.
- 7.4KX followers
- 1,111NFT supply
- Hubown Discord
1/1 SoulsmithRitual · AI agent quest
Official Siggy Bot
Built Siggy Multiversal Cat Girl for Ritual's community AI agent quest. It won the vote and became the official Siggy Bot in the Ritual Foundation Discord.
- #1community vote
- Livein Ritual Discord
- 1/1unique role
Ritual · Indonesian community
Ritualist Indo
Meetups, recaps and community tools for Ritual's Indonesian members, from collectible cards to a community dashboard and role trackers.
- Bandungmeetup
- Cardsfor members
- Statsdashboard
Decka-tan, through other people · 13 community versions
© Collab
(WEB3 — 05)
21 partner posts,
2.9M+ reach.
Business development at Mango Network: find the right people, start the chat, keep the follow-up alive, and make sure the campaign shows up on partner accounts.
01Mango x Zealy
730K@zealy_io
02Mango x CycleX
421K@CycleXTeam
03Mango x Domin Network
297K@Domin_Network
04Mango x Argo Workflow
284K@Argo_workflow
05Mango x GlueX
149K@GluexProtocol
06Mango x MemeFun
130K@memefunicp
07Mango x FuFuture
119K@fufuture_io
08Mango x Dmail
118K@Dmailofficial
09Mango x Bitget
104K@bitget
10Mango x VetMe
82K@VetmeToken
11Mango x Yeeha Games
79K@YeehaGames
12Mango x Gate
64K@Gate
13Mango x Daren Market
63K@Daren_Market
14Mango x Blazpay
61K@blazpaylabs
15Mango x DeAgentAI
54K@DeAgentAI
16Mango x Soleer
41K@soleerlabs
17Mango x PublicAI
30K@PublicAI_
18Mango x ZNS Connect
27K@ZNSConnect
19Mango x Ayanna Research
27K@Ayanna_Research
20Last Odyssey x Mango
3.8K@LastOdyssey_io
21Mango x BASCAN
2.4K@BASCAN_io
© Archive
(WEB3 — 06)
Signal archive
Every featured post with its X numbers still attached, most-seen first. Filter by format.
#1 most seenDecka-chan @decka_chan · Apr 20, 2026
Wave 1 of Ritual Cards is now live. All Ritual community members are now eligible.
#2 most seenDecka-chan @decka_chan · Jun 12, 2026
Introducing Ritual Community Stats, a hub to track and analyze Ritual Discord members.
#3 most seenDecka-chan @decka_chan · Jun 28, 2026
Introducing Genesis 1000 Holder Tracker. Check if you hold the role before snapshot.
11K viewschat is this real.
@decka_tan · Oct 17, 2025
10K viewsRitual Testnet is near. Have you positioned your seat yet? Grab your golden ticket.
@decka_chan · Apr 24, 2026
9.1K viewsA native web deployer for Agents, built with help from Siggy Anime Girl.
@decka_chan · Jun 26, 2026
5.5K viewsCheck if your role got upgraded on the last nomination batch.
@decka_chan · Jun 2, 2026
4.4K viewsA thank-you post after the Indonads Bali meetup game prizes.
@decka_tan · Aug 27, 2025
3.7K viewsA personal note on being recognized by Monad after months of community work.
@decka_tan · Oct 14, 2025
3.0K viewsA short vlog about the trip to the Bali Indonads meetup.
@decka_tan · Sep 9, 2025
2.9K viewsgritual. meet siggy, my interactive AI companion built for @ritualnet.
@decka_chan · Mar 11, 2026
2.8K viewsRitual joins the Helios Rap trend with multiple regional communities.
@decka_chan · Jan 14, 2026
2.3K viewsA first Lambline karaoke event with Celine and Flowmy.
@decka_tan · Jul 22, 2025
2.2K viewsA parallax videographic introducing FogoChain.
@decka_tan · Mar 28, 2025
2.1K viewsA directory of Base regional X accounts to follow for local updates.
@decka_tan · Nov 15, 2025
2.1K viewsRitual trivia about the community team and the people keeping the community growing.
@decka_chan · Jan 27, 2026
1.7K viewsA gmonad gpipeline win after a better spin result.
@decka_tan · Aug 14, 2025
1.7K viewsA videographic explainer for FOGO Flames.
@decka_tan · Apr 3, 2025
1.7K viewsA Monad Breaking News story about earning Nads role through a like challenge.
@decka_tan · Jul 14, 2025
1.4K viewsA second Monad Lambline karaoke session with live animated GIF rewards.
@decka_tan · Jul 29, 2025
1.4K viewsA Genesis Card celebration post for Ritualists and their Genesis journey.
@decka_chan · Jul 1, 2026
1.3K viewsfake it till you make it. gmonad stakeholders.
@decka_tan · Oct 30, 2025
1.2K viewssneak peak of my next build on Ritual testnet, featuring Friscovsky and Intuition.
@decka_chan · May 27, 2026
1.2K viewsH-0 for the Indonads Ngiring KemBALI meetup.
@decka_tan · Aug 23, 2025
1.2K viewsAnother IRL Siggy, this time as a big plush.
@decka_chan · Feb 3, 2026
1.2K viewsA Monad community poll about staying active and bullish after an airdrop.
@decka_tan · Nov 7, 2025
1.2K viewsA clip with Jusup, Pipeline, and Monad.
@decka_tan · Aug 9, 2025
1.1K views#chogoween low-cost cosplay with a gothic anime girls soundtrack.
@decka_tan · Oct 27, 2025
1.1K viewsShort video of Decka going to an Anime Con to propagate $CHOG IRL.
@decka_tan · Nov 18, 2025
1.1K viewsBack from a peak week preparing a booth at Comic Frontier 22 in ICE BSD Indonesia.
@decka_chan · May 20, 2026
1.1K viewsA Bandung meetup recap with the Ritualist Indo community.
@decka_chan · Mar 9, 2026
950 viewsA Monad merch arrival note after winning the MITM giveaway.
@decka_tan · Oct 9, 2025
861 viewsA Monad role story: from Full Access to Running Hot in a single day.
@decka_tan · Jul 28, 2025
842 viewsLooking back at the Ritual Cards Collection and teasing what comes next on-chain.
@decka_chan · May 11, 2026
814 viewsNads meet nads at the Indonads Jogja meetup.
@decka_tan · Jun 16, 2025
747 viewsA feature in Celine's low cortisol GIF art series.
@decka_chan · Apr 27, 2026
690 viewsmerchcelerate from the Indonads Monad Bali meetup.
@decka_tan · Aug 24, 2025
668 viewsIntroducing Ritual Dashboard, official testnet dApps and community pre-testnet experiments in one place.
@decka_chan · May 6, 2026
628 viewsA SocialFi dApp demo on Monad for minting and listening to music NFTs.
@decka_tan · Jul 20, 2025
532 viewsA late post from an Indonads meetup with Haha members.
@decka_tan · Mar 10, 2025
525 viewssneak peak of my next build on Ritual testnet, featuring El Khalil and Dezzy.
@decka_chan · Jun 20, 2026
478 viewsA long-form take on why Monad does not need a genesis NFT.
@decka_tan · Oct 5, 2025
453 viewsA Ritual-themed Eid Mubarak community post.
@decka_chan · Mar 22, 2026
411 viewsgmonad. molandak looking good.
@decka_tan · Nov 9, 2025
339 viewsAnother Siggy IRL series post, this time with a handy tote bag.
@decka_chan · Feb 12, 2026
332 viewsA daily Ritual Events schedule post for February 27.
@decka_chan · Feb 27, 2026
246 viewsMeeting Siggy Anime Girl inside a Ritual pixel game.
@decka_chan · Jun 16, 2026
© Contact
(WEB3 — 07)