We build thoughtful
software, by hand
A software studio in Ho Chi Minh City. We ship Solana payments, AI agents that take real orders, and the odd 4am hackathon win.

Six recent things
On the desk
Repos we’re in
- landing
- viettel-race-2026
- var2026-final-h200
- zillexa-shorts
- license-control-plane
- wham-pay
- ipbms
- haau-agent
- ange-coffee-agent
Sneak peek

Tools we made
Stack, stamped
Receipts


1st, Best of Polkadot Challenge, with Wham Pay
A win with Chord Agents, verifiable trading agents on Solana
Promising Award, one of twelve teams in the final
What we do
Why work with us?
Clear specs before any code
We turn business requirements into an SRS, user stories and concrete acceptance criteria, so everyone agrees on the scope and the result up front.
Tests built on real rules
Test cases follow the actual business rules, covering valid cases, exceptions and the situations where errors tend to creep in.
Accuracy and consistency first
Requirements, processing logic and outputs are checked against each other throughout, especially in systems with complex business rules.
Built to maintain and extend
Layered architecture, strict TypeScript and a clear separation of responsibilities make the code easy to test, change and grow later.
Write to us
Dear Zillexa,







