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KW

060 m/service

Project samples

Each project is a sample drawn from the same ground. The core shows the layers of its stack; the label tells which stage it is in.

In production03

sample 01/in production

Visa Contabilidade

Migration of a WordPress corporate site to Next.js, focused on local SEO, specialist content and protected forms.

  • MDX blog and accounting glossary
  • Structured data and sitemap
  • Form with Zod, Turnstile and rate limiting

sample 03/in production

ChecklistQA

Chrome extension that keeps a quality checklist next to Google Meet calls, without reading or storing the conversation.

  • Native Chrome side panel
  • Zero data collection
  • No external dependencies

sample 05/in production

SK Agency

Corporate and operational platform for an agency: website, client portal and admin management.

  • Portal with campaigns, reports and contracts
  • Stripe, Google Ads and Resend integrations
  • Private files via expiring URLs
Case studyVisit site

Code not public

MVPs and prototypes03

sample 02/functional MVP

Simone Educação Digital

Course platform with a public site, student area and admin panel in a single monorepo.

  • Stripe payments with signed webhook
  • Videos and files served only to entitled users
  • Security test suite

sample 04/in development

Atlas

Multi-tenant platform for running small businesses: customers, bookings, cash flow, stock, losses and metrics in one panel.

  • Signed session and role-based access
  • Data always scoped to the session's company
  • In-memory demo mode
Case study

Code not public

sample 06/prototype

OrçaFácil

Prototype for building and tracking metalwork quotes, with an editable catalog and live price composition.

  • Guided item builder with waste calculation
  • Prices frozen on each quote
  • Data model ready for multiple companies
Case study

Code not public

Internal tools02

sample 07/internal use

Hub TL

Internal tool for managers to send team communications from their own mailbox.

  • Idempotent send queue
  • Role-based access

Confidential

sample 08/internal use

SellerHub

Internal tool for per-seller email management and sending, with a status pipeline and KPI dashboards.

  • Idempotent queue and role control
  • KPI dashboards

Confidential