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.

Team on stage receiving Best of Polkadot at TOKEN2049 ORIGINS
Singapore, Oct 2025 — 1st, Best of Polkadot
Est.2024HCMC
Latest Promising Award, Viettel AI Race 2026Based Ho Chi Minh City · GMT+7

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

The Zillexa team on stage at Viettel AI Race 2026
Hi, we’re Zillexa
0 clicks

Tools we made

ShortsLicenses

Stack, stamped

Next.jsReact NativeGoPythonNestJSPostgreSQLpgvectorSupabaseAWSClaude SDKGeminiYOLOSolanaPolkadot

Receipts

3
Hackathon wins
TOKEN2049 ORIGINS 2025 · TOKEN2049 ORIGINS 2026 · Viettel AI Race 2026
Team receiving Best of Polkadot Challenge at TOKEN2049 ORIGINS
1st · Best of Polkadot · US$5,000
Team on the finish stage at Viettel AI Race 2026
Viettel AI Race 2026 · Promising Award

1st, Best of Polkadot Challenge, with Wham Pay

TOKEN2049 ORIGINS · Singapore · 2025

A win with Chord Agents, verifiable trading agents on Solana

TOKEN2049 ORIGINS · 2026

Promising Award, one of twelve teams in the final

Viettel AI Race · 2026

What we do

1.DiscoverWeek 1 · goals & scope
2.DesignWeek 2 · architecture, UX
3.BuildWeekly demos
4.Ship & scaleLaunch, then tune
Also on the menu
DevelopmentConsultingResearchSecurity AuditOperationsIoT
How we bill
Sprint2 weeksOne goal, two engineers, demo and handover at the end.
Most pickedProjectFixed scopeFixed price, design + engineering, 30 days of post-launch support.
RetainerMonthlyReserved capacity, priority turnaround, cancel any time.

Why work with us?

01

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.

02

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.

03

Accuracy and consistency first

Requirements, processing logic and outputs are checked against each other throughout, especially in systems with complex business rules.

04

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,

We read everything

Or just email. We’re on GMT+7 and usually awake when you are.