Writing on everything that I get my fingers on and think it is worth to write about.

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UptimeRobot: The Monitoring Lifesaver for Side Projects

Why simple uptime monitoring beats complex enterprise solutions for side projects. A reflection on finding the right balance between monitoring sophistication and actual needs.

#monitoring#saas#tools#side-projects#uptime#devops

What makes good documentation (with and without AI Agents)

Exploring effective documentation methods in the age of AI agents: contextual code comments, minimal steps to runnable code, and decision logs for both human and AI consumption.

#documentation#ai#best-practices#software-engineering#ai-agents#living-documentation

Building a secure kindergarten website with Django

Custom Django website for a kindergarten with secure file sharing, efficient media delivery using nginx X-Accel-Redirect, and cost-effective hosting on Hetzner Cloud.

#django#references#web-development#security#nginx#hetzner#non-profit

DORA for Devs: A real RAG Use Case

Let’s explore how DORA for Devs applies Retrieval-Augmented Generation (RAG) to transform dense regulatory texts into an interactive chatbot, enabling meaningful discussions within a developer context.

#llm#ai#rag#dora#golang#chatgpt#openai#discovery-diary

Bruno: Not an underdog anymore

Bruno in the Adopt tier of the ThoughtWorks Technology Radar. The hype train has no brakes!

#api-testing#discovery-diary#tool#oss#technology-radar#postman

An underdog postman alternative: Bruno

I tried a Postman alternative and was impressed by how easily some problems could be solved when the business model doesn’t get in the way.

#api-testing#discovery-diary#tool#oss

A stable container runtime for MacOS

Having never been truly satisfied with Docker for Desktop on macOS, I came across Orbstack through a tweet and decided to give it a try.

#tool#macos#docker#container#tools#techstack#discovery-diary

Developing & Scaling Go at HUK Coburg

Over the past three years, I have enhanced Go services and mentored developers in a corporate setting. I improved performance, implemented best practices, and created blueprints for scalable development, enabling the team to deliver robust, maintainable services efficiently.

#go#references#professional#huk

"Gather" a convinsing Metaverse use case

The Metaverse is largely quite unfamiliar to me. However, Gather stands out as an exception as a communication platform. At EntwicklerHeld, we used it daily, which helped to mitigate the effects of the pandemic to some extent and made remote work more bearable.

#tool#communication#start-up#covid#metaverse#gather#events#discovery-diary

Falling in Love with Go: My First Project

I share my experience of discovering and falling in love with Go through my first project: developing a web backend for seminar management.

#go#references#professional

Consulting and Development at S-Markt und Mehrwert

Multi-faceted consulting engagement combining process analysis, DevOps training, and infrastructure implementation for S-Messenger and HaspaJoker projects, demonstrating how external expertise can drive organizational transformation.

#project#references#professional#consulting#devops#docker#kubernetes#ansible#infrastructure#training#nodejs#magnolia-cms

polylith: A Portfolio of Professional Projects

Portfolio overview showcasing the evolution from student developer to consultant and entrepreneur across diverse projects spanning backend systems, cloud infrastructure, full-stack development, and DevOps transformations.

#project#references#professional#portfolio#overview#consulting#full-stack#infrastructure#entrepreneurship

Industrial Sensor Data Visualization at Elco

Frontend development of a Grafana-like visualization system for industrial sensor data, building an Angular component library with configurable widgets and dashboards for Elco Industry Automation.

#project#references#professional#angular#typescript#frontend#visualization#industrial-automation#sensor-data#dashboard

Automated Mail System Provisioning at T-Systems MMS

Building a REST API with Django REST Framework to automate mail system provisioning through Ansible, demonstrating the power of API-driven infrastructure automation.

#project#references#professional#django#django-rest-framework#python#ansible#api#automation#infrastructure

Dynamic Configuration Reloading in Kubernetes at Kiwigrid

Consulting project analyzing and implementing proof-of-concepts for dynamic configuration reloading of Spring Boot applications in Kubernetes using ConfigMaps and Events API.

#project#references#professional#kubernetes#spring-boot#configmaps#devops#configuration-management#consulting

Distributed Groundwater Computing Infrastructure at TU Dresden

Building scalable cloud infrastructure for distributed groundwater calculations at TU Dresden using RabbitMQ, optimized worker nodes, and modern DevOps tooling.

#project#references#professional#rabbitmq#ansible#docker#distributed-computing#scientific-computing#infrastructure#traefik#consul#monitoring

EXIST Gründerstipendium: The Foundation of EntwicklerHeld

Securing €125,000 in EXIST startup funding as co-founder, learning the critical importance of market validation and structured mentorship in the transition from student to entrepreneur.

#project#references#professional#startup#entrepreneurship#funding#exist#entwicklerheld

Discovering Django through Seminar Management

My first Django project: extending a seminar management platform for Der Paritätische, discovering Django's powerful ORM and testing framework, and beginning the collaboration with my future EntwicklerHeld co-founders.

#django#python#project#references#professional#full-stack#testing#parsem

Big Data Infrastructure for persisting and analysing measurement samples

DevBoost project building terabyte-scale sensor data infrastructure with HBase, experiencing early Docker and cloud-native technologies, and learning the critical importance of NoSQL query pattern design.

#big-data#hbase#docker#project#references#professional#devboost#internship#nosql#distributed-systems#cloud-native

Natural Language UI Testing at DevBoost

DevBoost internship developing parameterizable UI tests with natural language composition, where I first explored frontend testing and met my future EntwicklerHeld co-founders.

#testing#ui-testing#project#references#professional#natural-language#devboost#internship

Wearable Devices in Automotive Production at BMW Leipzig

Year-long BMW internship as Lead Developer for a research project bringing wearable devices to production workers, learning that stakeholder communication and simplicity often matter more than technical sophistication.

#project#references#professional#bmw#android#wearables#java#spring#production#internship#real-time-systems

EHVA: Building a Seminar Management System with Go

My first Go project: building a seminar management system with Johannes Tandler, transitioning from Java to Go, and learning valuable lessons about how go works.

#go#project#references#professional#angular#pdf-generation#university#ehva

Monkey Works: Where Everything Started

My first job as a software developer at the EXIST-funded startup Monkey Works: implementing industrial control interfaces with OPC UA, experiencing Scrum for the first time, and learning the fundamentals of product thinking.

#java#project#references#professional#startup#opc-ua#industrial-automation#first-job#scrum#monkey-works