Spas & SalonsBlog
Custom software · 18+ years · MX & US

Software built exactly for how you work.

We’re a software engineering team, not a template shop. We take your business — sales, operations, inventory, integrations — and turn it into a system that runs it. Then we hand it over, ready.

Real engineering

We write real code — around your rules

Not drag-and-drop that breaks at scale. Your business logic, your validations, your edge cases — coded properly, tested and maintained.

  • Your exact rules & workflows
  • Built to scale, secure by design
  • Clean, documented, maintainable
checkout.tsAPI
1// Your rules, your logic — built to fit
2export async function checkout(cart, user) {
3 const total = price(cart) // tax + discounts
4 await inventory.reserve(cart)
5 const order = await db.orders.create({ user, total })
6 await marina.confirm(user, order) // WhatsApp
7 return order
8}
How we work

A real engineering process — from idea to production

No black box. You see exactly how your system goes from a conversation to something your team uses every day.

01

Discovery

We sit with you and map how your business actually works — processes, roles, pain points and goals. Requirements, not guesswork.

02

Scope & plan

We write down exactly what we’ll build: modules, milestones and timeline. You approve a clear scope — no surprises.

03

Design & build

We build in short iterations. You see real progress in a staging environment, give feedback, and we adjust as we go.

04

QA & testing

Every flow, edge case and security check is tested before it touches production. What we ship, we’ve proven.

05

Deploy to production

Continuous deployment: staging → production, zero-downtime releases, monitored and rollback-ready.

06

Support & grow

We don’t disappear. Maintenance, new features and a support policy so your system keeps winning.

Our stack

Modern tech, chosen for reliability

We build on a proven, modern stack — and connect to the tools your business already runs on.

stack.config.ts32 deps
Languages & frameworks
TypeScriptReactNext.jsNode.jsPythonTailwind
Data & infrastructure
PostgreSQLSupabaseRedisDockerVercelVPS
AI
ClaudeGPT-4oGeminiAI SDKRAGAgents
Integrations
WhatsAppInstagramStripeMPPayPalSATDHLFedExGoogleMetaCTCVASyscom
Imagine your system

Everything your business could run on

Pick the pieces you need today — add the rest when you grow. It’s one connected system, built for you.

sales.crm

Sales & CRM

Pipeline, quotes, customers and follow-ups — nothing falls through the cracks.

AAna R.Won
LLuis M.Quote
SSofía T.New
operations

Operations

Workflows, scheduling, tasks and your team — the daily run, organized.

09:00Team standup
11:30Client call
15:00Delivery
inventory

Inventory & purchasing

Stock, warehouses, suppliers and purchase orders in real time.

AC-1042Mouse128
AC-1039Monitor12
AC-1021Cable340
pos.sales

POS & sales

Sell online and at the counter with one shared inventory and one checkout.

Mouse$24
Monitor 4K$310
Total$334
Charge · Cash / Card
billing.cfdi

Invoicing & payments

CFDI invoicing, payment gateways and reconciliation, built in.

FolioA-10428
RFCXAXX010101000
Total$1,240.00
Stamped · SAT
integrations

Connections & integrations

WhatsApp, shipping, wholesalers and any API your business depends on.

WhatsApp
Stripe
CVA
SAT
reports.bi

Reports & BI

Live dashboards and KPIs so you decide with real numbers.

$8.4kweek
+18%vs
126orders
ai.agents

AI & automation

Assistants, agents and automations that remove the busywork.

New order
AI reviews
Reply sent
The result

Systems your team actually uses

Powerful underneath, simple on top. Clean dashboards and live numbers that make the day easier for the owner and the staff alike.

  • Live operation at a glance
  • Easy for non-technical staff
  • On any device
serenityspa.com/admin
$8.4kThis week
126Bookings
+18%vs last week
MTWTFSS
Live activity
New booking · Signature FacialSat 2:00pm · Lena
Payment received$135 · Deep Tissue
Marina booked a clientvia WhatsApp
Rent or buy

Your system, your terms

Launch fast on our platform, or own the code outright. Same system — you choose how you run it.

Recommended

Buy the code — it’s yours

Own the software outright. Update it at your own pace and budget — and never depend on a single developer.

$ git clone your-system.git
  • You own the code & data
  • Update at your pace & budget
  • No vendor lock-in
  • Optional support plan with us

Rent the platform

A proven, working system tuned to your business. One setup investment, then monthly.

$ hailan deploy --managed
  • Live fast, fully managed
  • Setup investment + monthly
  • We host, update & support
FAQ

Good questions to ask

How do we start a project?

With a discovery call. We understand your business, define a clear scope with milestones, and you approve before we build a single line.

Rent or buy — which should we choose?

Rent to launch fast with everything maintained for you (monthly/annual). Buy the code to own it on your own VPS, with monthly support or a per-incident policy. You choose — we help you decide.

Can it connect to what we already use?

Yes — WhatsApp, payment gateways, CFDI/SAT, shipping, wholesalers (CVA/CT/Syscom), Google, Meta and virtually any API.

How long does it take?

Days to a few weeks depending on scope. We move fast because we’ve shipped systems like yours many times.

Let’s build your system.

Tell us what you do — we’ll show you exactly what we’d build, and how. No commitment.