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skoelle/README.md

Hey, I'm Stefan Kölle 👋

Senior Software Developer & Software Architect based in Munich, with 20+ years of experience building and running microservices and IT architectures. Current focus: .NET 10, Kubernetes, and AI-driven software development (Claude Code).

🚀 What I do

  • Architecture & Backend: .NET 10 (Dockerized), Clean Architecture, Microservices
  • Infrastructure: Kubernetes, Terraform, Azure (WebApps, Tables, Blobs), AWS, Docker
  • AI-assisted development: Claude Code at work for end-to-end delivery — from concept through documentation (Confluence, Jira) to production. Privately, I run OpenCode with models like MiMo V2.5, Laguna S 2.1, GLM 5.2, DeepSeek V4 Flash and North Mini Code
  • Observability & Ops: Sentry, Loki/Grafana, Uptrends, Quartz.NET
  • Search & Data: Solr, vector search, MariaDB, InfluxDB, MongoDB

Currently at TENHIL GmbH & Co. KG, where I migrated all microservices to self-hosted Kubernetes on AWS, built an MCP server for a ChatGPT integration, and established a production-ready AI development workflow for the team.

🔭 More about me

🔗 Links

CV  Personal Hub  LinkedIn

📌 Pinned

A selection of projects. Full catalog: code.moonweb.org

Pinned Loading

  1. icloud-contacts-sync icloud-contacts-sync Public

    Automated iCloud contacts sync to MariaDB via CardDAV delta sync, with a multi-user account mapping, birthday email digest, and an internal read-only API/web view behind Authelia.

    Python

  2. kctl-tui kctl-tui Public

    A small terminal entry point (Go + Bubble Tea) for everyday Kubernetes work: guided context/team/namespace selection, a 3-pane k9s status view, guided rollout restarts, and an AWS Secrets Manager <…

    Go

  3. wt32sc01-dashboard wt32sc01-dashboard Public

    Touch dashboard for the WT32-SC01 Plus (ESP32-S3, 3.5" display) showing weather, calendar events and MVG departures from local APIs. Built with PlatformIO, LovyanGFX and LVGL.

    C++

  4. mvg-departures mvg-departures Public

    Compact MVG/S‑Bahn departure monitor (FastAPI) with configurable stations, direction filters, and a mobile‑friendly HTML and JSON view

    Python

  5. dos-tcm-intros dos-tcm-intros Public

    These demos often showcased advanced graphics, sound, and programming techniques using Turbo Pascal and assembler.

    Pascal 3

  6. turbopascal-xlib-unit turbopascal-xlib-unit Public

    This Pascal unit, xlibunit, is a graphics library designed for use in Turbo Pascal programs. It provides various procedures for initializing and manipulating VGA graphics modes, handling color pale…

    Pascal 5