Patrick Finkbeiner

Freelance Software Engineer – Mannheim

Frameworks come and go. What stays: understanding problems, thinking ahead and delivering solutions that hold up in production. Since 2010 I've been building software for companies and agencies — full stack, because I want to see the full picture, not because it looks good on a resume.

Architektur & Planung
Vue.js / Node.js / TypeScript
Mobile Apps (iOS & Android)
DevOps & CI/CD

Own Products

Each of these tools was born from a problem that annoyed me personally.

Recent Articles

08/05/2026

Classic tests don't work on LLM output — every answer is different. How rubrics and an LLM-as-judge turn "looks good" into an actual measurement.

Read more
07/22/2026

How to build your own MCP server in TypeScript in a single afternoon – with a runnable mini example and the lessons I already did differently on my second server.

Read more
07/08/2026

How MCP servers turn a chat partner into a colleague with real hands – and why every connected server should be a deliberate decision, not a default.

Read more

Recent Work

04/2026 – present
LLM-based Quality Evaluation for Technical Documentation
AI Engineer
10/2025 – present
Backend API Development for Global E-Commerce Platform
Backend Developer
11/2024 – 09/2025
Frontend Development for Siemens Xcelerator E-Commerce Platform
Frontend Developer