Freelance CTO & AI Architect
Dornbirn, Vorarlberg, Austria · 20+ years Cloud & Software Engineering
Cloud & AI technology leader based in Dornbirn, Vorarlberg, with 20+ years building and operating production systems on AWS across IoT, SaaS/PaaS, and high-traffic consumer platforms.
Current focus: AI consulting and IT consulting for companies in Vorarlberg and the DACH region — Generative AI and LLM orchestration on Amazon Bedrock, plus hands-on Agentic AI (orchestrating autonomous, tool-using agents with LangChain, LangGraph, LangSmith and DeepAgents).
Deep experience designing secure, scalable cloud architectures, leading small high-output teams, and shipping resilient products end-to-end. Strong background in Elixir/Phoenix and Ruby on Rails with a pragmatic, product-driven mindset.
Multi-model LLM comparison platform on Amazon Bedrock — orchestrating 15+ models (Claude, Llama, Mistral) with document-context prompting and real-time cost tracking. Agent orchestration with LangChain / LangGraph / DeepAgents. Full-stack Elixir/Phoenix/LiveView + AWS Bedrock.
Real-time Smart City platform serving municipalities with live dashboards, sensor ingestion, alerting, and white-label PWAs. Full-stack Elixir/Phoenix/LiveView running on AWS.
Sole architect of an AWS-based PaaS offering for FME Server, enabling self-service provisioning, automated scaling, and usage-based billing.
Multi-model LLM comparison platform on Amazon Bedrock. Hands-on agent orchestration with LangChain, LangGraph, LangSmith and DeepAgents.
Building Smart City IoT platform. AWS architecture, Elixir/Phoenix development, team leadership.
Built tokenization platform for gold including smart contracts and hardened AWS infrastructure.
Performance engineering for Rails-based reverse logistics platforms on AWS.
Scalability work for high-traffic vacation rental platform.
"Christoph is a top quality lead Rails architect. His technical knowledge on Rails, AWS, databases and web services is vast and up to date. When presented with a complex problem, Christoph brings more to the table than just development skills and can quickly understand requirements and then design and deliver a rock solid solution quickly and efficiently."
"I had the opportunity to work with Christoph and found him to be a very bright and talented co-worker. He quickly identified himself as one of those few in which you invest a high degree of trust and reliance on his day-to-day implementation decisions."
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