Engineering studio · United Kingdom

We build the systems businesses run on.

Platforms, backends and AI that hold up in production — designed from the data model out, and shipped by one team.

PlatformsBackend systems
03How we build

Engineering that holds when it matters.

01

Built for the bad day

Fallbacks, retries and idempotent webhooks are designed before the happy path. Systems degrade; they don't fall over.

02

Decided at the source

Access, money and state are enforced server-side, below the UI. The frontend reflects the truth — it never makes it.

03

Heavy work off the request path

Media, exports and AI run async, so the product stays instant however large the job.

04

One team, whole build

Data model to admin dashboard, owned end to end. No hand-offs, no gaps between vendors.

In production with
Product
Next.jsTypeScriptShopifyLiquid
Backend
FastifyAWS LambdaVercel
Data
PostgreSQLSupabaseUpstashS3
Payments
StripeStripe Connect
AI
ClaudeGemini
Messaging
KlaviyoResend
Hardware
RFID
04Contact

Tell us what you're building.

hello@twzn.dev