William Hein, Developer in Aarhus, Denmark
William is available for hire
Hire William

William Hein

Bio

William builds software for the hard cases, including real-time trading infrastructure, multi-agent AI automation, and B2B sales-intelligence dashboards. He has spent more than five years shipping production code in TypeScript, Go, Python, and several other languages, building autonomous systems that run against unreliable real-world data. William takes a project from the first commit through production and replies fast.

Portfolio

Self-employed
Amazon Web Services (AWS), PHP, Python, TypeScript, Go, Flutter, MongoDB...
eCommerce Comparison Platform
Python, Elasticsearch, FastAPI, OpenAPI, Large Language Models (LLMs)...
CryptoIQ
AI Agents, AI Tools, AI Automation, Artificial Intelligence (AI)...

Experience

  • JavaScript - 8 years
  • Python - 7 years
  • Git - 7 years
  • TypeScript - 6 years
  • SQL - 6 years
  • Node.js - 6 years
  • PHP - 5 years
  • Go - 4 years