From European NFT marketplaces and pharmaceutical AI systems to institutional trading bots.
Blockchain Infrastructure
Responsible for Europe’s first legal NFT marketplace. Developed at Steinova GmbH. Currently building a GxP-compliant blockchain solution for electronic signatures and audit trails in the pharmaceutical sector.
Invoice Recognition System
Visual software that automatically recognizes invoices, processes them in MinIO, and writes AI-generated metadata for further processing.
Pharma AI Data Migration
AI-powered system that performed complete data mapping between core systems for a pharmaceutical client. A human could never have accomplished this.
Trading Infrastructure
Built institutional trading systems for a hedge fund. Full Binance API integration and Interactive Brokers integration into trading bots.
Octocode
Early AI code generation software that automatically built React apps – developed when ChatGPT was still in its infancy.
Moralis.app
My own Vibe Coding Platform based on Vibe SDK – for rapid deployment of functional AI apps.
Blockchain & Smart Contracts
- Smart contracts deployed on Ethereum (ETH), Binance Smart Chain (BNB), and TON
- Blockchain Worked with Vandal deployment for smart contract security
- Launched and profitably sold NFT collections
Pharmaceutical Systems & GxP
- Requirements engineering for Big Pharma
- Compliance consulting for code validation
- Code reviews in GxP environments
- Contributed to MES for early drug discovery
- AI-based data migration between pharmaceutical core systems
- GxP-compliant blockchain solution for signatures and audit trails
AI & Automation
- Developed complete AI project management system
- Deployed RAG implementations
- Deployed on-premise AI
- Built many AI wrappers and automations
- Invoice recognition with AI metadata generation
- Autoblogs: arturmarkus.com and geheimakte.ch
- Marketing automation systems
- Octocode – early AI code generation before most tools existed
n8n & System Integration
Contributed to n8n MCP. Deployed many custom MCP servers. Built extensive n8n workflows connected to my systems via MCP.
- Core contributor to n8n MCP (Model Context Protocol)
- Developed and deployed custom MCP servers
- Automation workflows for various use cases System integrations via MCP
Development & Infrastructure
Web Development
- Developed professional websites
- Deployed many tools on Vercel
- Developed Telegram bots
- Built scrapers and data processing software
Infrastructure & DevOps
- Highly available, scalable software
- Own servers & web servers
- Railway deployments
- On-premise setups
- Docker containerization
Technologies
Languages & Frameworks: Python • JavaScript • TypeScript • Solidity • React • Next.js • Node.js • FastAPI
- AI & ML: OpenAI API • Claude API • LangChain • RAG • Vector Databases
- Blockchain: Web3.js • Ethers.js • Smart Contracts • Multi-Chain Development
- Infrastructure: Docker • Railway • Vercel • MinIO
- Automation & Integration: n8n • MCP • Telegram Bots
- Databases: PostgreSQL • MongoDB • Redis
- Trading & Finance: Binance API • Interactive Brokers API
Interested in a Project?
From blockchain to AI to regulated pharmaceutical systems – I’ve built and deployed across many domains.