Freelance AI, Software & Blockchain Engineer
I work as a freelance AI, Web3, and full-stack developer for organizations worldwide. I help teams with AI agents, automation systems, smart contracts, and modern web applications.
From prototype to production — I help companies build scalable and reliable software, faster.
Trusted by startups, Web3 teams, and businesses across Europe.
Hi, I'm Henk Wim de Boer
I'm a freelance AI, software, and Web3 developer with a background in economics (PhD). I build scalable backend services, AI agents, intelligent automation flows, on-chain smart contracts, and DeFi solutions such as trading and liquidity bots — helping companies work faster and more efficiently.”
What I Do
- Software & backend development — scalable APIs, data processing, automation scripts, and integrations using Node.js, TypeScript, and Python.
- AI automation — custom AI agents, assistants, transcription bots, research bots, and workflow automation powered by LLMs.
- Web development — modern, fast, and responsive websites and dashboards built with React, Next.js, Tailwind, and Vercel.
- API integrations — connections with apps, CRM systems, payment providers, databases, and external services via reliable APIs.
- Full-stack product development — from idea and prototype to production-ready software, including architecture, development, testing, and deployment.
- Smart contract & Web3 engineering — Solidity contracts for liquidity and trading automation, DeFi protocols, and production-grade dApps.
- Automation & bots — WebSocket workers, monitoring bots, analytics tools, trading logic, and event-driven systems.
Tech Stack
Solidity
JavaScript
TypeScript
Python
Node.js
React
Next.js
OpenAI