Matija Stepanić

GitHub — last 12 months

Most active repositories

• domovinatv/dataset.domovina.tv26,604 commits
• domovinatv/fetch.domovina.tv368 commits
• domovinatv/ai.domovina.tv274 commits
• domovinatv/pay.domovina.ai247 commits
• stepanic/flutter_certilia110 commits
• domovinatv/domovina-api83 commits

AI-native development

Daily agentic development with Claude Code — measured from local session transcripts, not self-reported.

Updated June 12, 2026

1. Jun 2025 — Present

   DOMOVINA.tv / DOMOVINA.ai

   Founder & Lead Engineer

   Zagreb, Croatia — remote

   AI-native Croatian media platform: podcast/video archive with search, RAG and structured datasets, apps for web, mobile and TV.

   • Designed and built the full platform solo using agentic AI development: Flutter app (web, iOS, Android, TV), self-hosted Supabase backend behind Kong on Coolify, and a Cloudflare edge layer — 29,000+ GitHub contributions across the ecosystem in one year.
   • Built an automated media-ingestion and dataset pipeline (fetch.domovina.tv, dataset.domovina.tv) that continuously indexes Croatian podcasts into structured, searchable datasets — 26,000+ automated commits in the last year.
   • Implemented RAG search over the media archive (domovina-rag) and a public MCP server exposing podcast search and analytics to AI assistants.
   • Built the payment rail pay.domovina.ai (Cloudflare Workers) and supporting services: SMS gateway, elections data, interactive map of Croatia, media kit.

2. Sep 2025 — Present

   PINKA Finance

   Co-Founder & Lead Engineer

   Remote

   On-chain crowdfunding platform — bilingual landing and campaign app on Cloudflare (Workers, D1), Next.js 14, Safe smart accounts.

   • Architected and shipped the bilingual (HR/EN) marketing site and campaign/checkout app: Next.js 14 static export served by Cloudflare Workers with D1, custom i18n engine with CLDR plural rules.
   • Integrated on-chain flows with Safe (Gnosis) smart accounts and stablecoin payments; independently verified a public on-chain lottery (modric-lottery-verify) used by a fan-token community.

3. Jan 2016 — Present

   ITalk Ltd.

   Founder, CEO & Senior Software Engineer

   Zagreb, Croatia

   Boutique software consultancy. Toptal Verified Expert (since 2022), certified FlutterFlow Expert (since May 2022), 50+ FlutterFlow consulting projects, full-stack delivery for international clients.

   • Worked as a FlutterFlow expert/consultant on 50+ projects: custom Flutter features, Firebase Cloud Functions integrations, published reusable open-source FlutterFlow components.
   • Built a FlutterFlow identity-document scanning widget on top of BlinkID native SDKs, adopted by 1,119 different FlutterFlow projects.
   • Developed FirePixy — photo-booth & event photo crowdsourcing platform: Node.js serverless backend (Firebase), Angular PWA, WPF photo-booth app integrated with the Canon EOS SDK.
   • Led a team of 9 building ScanShop, a self-checkout retail platform: architecture and backend with NestJS + Parse Server, Angular PWA, native iOS/Android apps.
   • Consulted for Microblink: server-side OCR bridge with API-key management for their SaaS, and a JavaScript web component + desktop-to-mobile handoff flow for document scanning.
   • Built the backend for Tempo, an EU-funds project progress-tracking application (NestJS, Parse Server, Firebase), and a static-site platform (Angular + Scully + Flamelink CMS) powering multiple production sites since 2020.

4. Jan 2006 — Jan 2016

   Freelance

   Software Engineer

   Zagreb, Croatia

   Ten years of freelance full-stack work: 100+ commercial websites and internal tools, long-lived production systems.

   • Developed an internal CRM for membership and activities of a Croatian public organisation — in production since 2008 with ~1,500 active users.
   • Built a custom CMS and website for a Croatian business news agency; co-founded and built the backend of Mobicon, a crowd-microphone application.
   • Delivered 100+ commercial websites and internal tools (PHP, Java, Node.js, MySQL/PostgreSQL/MongoDB, AWS, Spring Boot, Yii).

More projects

• Microblink OCR Integrations

  2018 — 2020

  Consulting for Microblink (BlinkID): server-side bridge to a native OCR engine with API-key management for their SaaS, a standalone JavaScript web component for camera capture and cloud OCR, and a desktop-to-mobile handoff flow using Cloud Firestore.

  Node.js · Web Components · Angular · Firebase · OCR

• FlutterFlow Open-Source Toolkit

  2022 — Present

  A set of reusable open-source FlutterFlow components: multi-file upload to Firebase Storage with progress streams and drag-and-drop, Salsa20-based string encryption actions, and barcode/QR generation with encrypted payloads.

  FlutterFlow · Flutter · Firebase Storage · Cryptography

• $MODRIC Lottery Verification

  2026

  Independent on-chain verification of the Trendex $MODRIC fan-token lottery winners across all three draws — reproducible scripts anyone can run against chain data.

  Blockchain · EVM · JavaScript

• FlutterFlow Socket

  2023 — Present

  CLI tool extending the Flutter CLI: a local Node.js listener receives GitHub webhooks on FlutterFlow pushes, verifies commit signatures, merges changes into the working branch and hot-reloads running Flutter processes via Unix signals.

  Node.js · Bash · Flutter · GitHub Webhooks

• mobile-phone-proxy

  2026 — Present

  Native iOS and Android apps that turn a phone into an HTTP CONNECT proxy, routing traffic out over cellular while the listener sits on Wi-Fi — no third-party servers.

  Swift · Kotlin · iOS · Android · Networking

• Fire Flame Studio

  2026 — Present

  Open-source Firebase Admin GUI built with Flutter — a desktop alternative to the Firebase Console.

  Flutter · Dart · Firebase Admin

• Cravat Shopify Theme

  2026 — Present

  Open-source premium Shopify 2.0 theme — lightning-fast, conversion optimised, mobile-first, built with Croatian craftsmanship.

  Shopify · Liquid · JavaScript

• dotclaude-sync

  2026 — Present

  Daily backup of ~/.claude (Claude Code config, memory, sessions, transcripts) to a local git repo plus a private rclone remote, scheduled with macOS launchd. Scripts only — the data stays private.

  Bash · launchd · rclone · Git

• Croatian Open-Source Tools

  2025 — Present

  A collection of small open-source tools for the Croatian community: an offline ASRS v1.1 ADHD self-assessment web app, "Satnica" offline time tracking for freelancers, and a minimal native macOS WebKit browser.

  TypeScript · Swift · WebKit · PWA