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Product builds

Product-shaped systems and business experiments.

Where I explore markets, workflows, and operational problems from idea to implementation.

ProductShippedPrivate beta

Farmica

Order operations for direct-to-consumer farms — a spletna naročilnica that collects scattered channel orders into one weekly workflow.

  • Next.js
  • React
  • TypeScript
  • next-intl
  • Tailwind CSS
  • Vercel
  • Brevo
  • Google Analytics 4
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ProductShippedDemo available

Izložbica

Izložbica is a multi-tenant storefront and backoffice platform for creators who sell physical products through small catalogues, direct orders, pickup, delivery, and manual payment workflows. It gives sellers a simple public izložbica plus a private Pisarna for products, orders, stock, payments, and customer handling.

  • Next.js
  • React
  • TypeScript
  • Payload CMS
  • PostgreSQL
  • next-intl
  • TanStack Form
  • Zod
  • Radix UI
  • Stripe
  • Brevo
  • S3-compatible storage
  • Playwright
  • Vitest
  • pnpm
View buildLive demo
ProductActivePrivate

Arheko

Arheko is a document intake and processing platform for accounting workflows — upload or email documents, run OCR and AI classification, extract structured fields, and route items through a review queue before filing.

  • Next.js
  • React
  • TypeScript
  • Payload CMS
  • PostgreSQL
  • Neon
  • Vercel
  • Brevo
  • RunPod
  • GLM-OCR
  • OpenAI-compatible LLM API
  • Backblaze B2
  • PWA
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ProductShippedPrivate

Rekreacija

Rekreacija is a sports participation and organizer operations platform for recreational leagues and events. It helps players discover sessions, join games, track participation, and gives organizers a dedicated office for leagues, events, attendance, and payment visibility.

  • Next.js 16
  • React 19
  • TypeScript
  • Payload CMS 3
  • Postgres
  • Tailwind CSS
  • shadcn/ui
  • Radix UI
  • Server Actions
  • Payload Local API
  • Kotlin
  • Jetpack Compose
  • Android
  • Vitest
  • Playwright
View buildGitHub
ProductActiveClosed source

Vault

Vault is a customer-hosted, end-to-end encrypted messaging system for professional teams that need to own their communication infrastructure. It is built around a Go relay server, PostgreSQL, and a Kotlin Android client using OpenMLS for MLS-based encryption.

  • Go
  • PostgreSQL
  • Kotlin
  • Jetpack Compose
  • OpenMLS
  • Rust JNI
  • Android Keystore
  • Room
  • SQLCipher
  • OkHttp WebSocket
  • Docker Compose
  • UnifiedPush
  • ntfy
  • AES-256-GCM
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What these builds show

These builds show how I think beyond implementation: identifying a problem, forming a thesis, building the first version, and learning whether the workflow or market deserves more investment.

Build with Matija logotip

Build with Matija

Sodobne spletne strani, sistemi za vsebino in AI workflowi za dolgoročno rast.

Storitve

  • Headless CMS spletne strani
  • Next.js in Headless CMS svetovanje
  • AI sistemi in avtomatizacija
  • Audit spletne strani in vsebine

Viri

  • Študije primerov
  • Kako delam
  • Blog
  • Teme
  • CMS hub
  • E-trgovinski hub
  • B2B strategija spletnih strani
  • Nadzorna plošča

Headless CMS

  • Payload CMS razvijalec
  • CMS migracija
  • Multi-Tenant CMS
  • Payload vs Sanity
  • Payload vs WordPress
  • Payload vs Contentful

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