Projects

A selection of my professional and personal projects.

Buchwerk

Featured

Personal Project · 2026

Bridge between receipt management, transaction overview and tax advisor — for freelancers who don't do their own bookkeeping but want to stay in control. Fully built using an agentic coding approach with Claude Code.

ReactTypeScriptCloudflare WorkersDrizzle ORMTailwind CSSAgentic CodingClaude Code

Hausify

Featured

Hausify GmbH · 2019

Estate administration portal with back-office and tenant app. Long-term full-stack development.

ReactTypeScriptreact-adminReduxNode.js

Live →

MeinMorgen

Personal Project · 2026

Digital breakfast ordering system for accommodations. Guests order via QR code, hosts receive orders by email — no app, no registration required. Built with agentic coding and Claude Code.

ReactRemixTypeScriptAgentic CodingClaude Code

Live →

drizzle-rest

Personal Project · 2025

A dynamic REST API adapter for Drizzle ORM with JSON-Server compatible query syntax.

TypeScriptDrizzle ORMREST APINode.js

GitHub →

Memoji

Personal Project · 2020

A fun project for my little daughter, who loves playing memory games.

TypeScriptReact

Live →GitHub →

Nopal (Siemens)

Protofy GmbH & Co. KG · 2020

Dashboard to monitor and manage battery clusters.

ReactD3.jsTypeScriptMaterial UI

Neuland Concerts (neuland-concerts.com)

Protofy GmbH & Co. KG · 2020

Presentational website for concerts and artists. Editorial content.

ContentfulReactEmotion

Live →

Jawoll and B&M

Protofy GmbH & Co. KG · 2019

Creation of a website with editorial content and focus on reusability, especially theme and layout.

ContentfulReactEmotion

Live →

Schiri Duell (DFB)

Protofy GmbH & Co. KG · 2019

Full-Stack development and maintenance of a trivia game

IonicNode.jsReactMongoDBMochaWebpack

Live →

Minigolf Score Card

Personal Project · 2019

Small web app for tracking minigolf scores. Side project.

ReactTypeScript

Live →GitHub →

Depot Shop - App

Protofy GmbH & Co. KG · 2019

Frontend development of a shop client, written in React Native and Expo.

React NativeExpoTypeScriptContentfulstyled-componentsRedux

Live →

Depot - Wedding App

Protofy GmbH & Co. KG · 2018

Development of a wedding configuration tool. Special focus on theming.

Reactstyled-componentsContentful

Live →

Phrasendrescher (Tipico)

Protofy GmbH & Co. KG · 2018

Weekly prediction game based on phrases of Oliver Kahn.

ReactEmotion

FC St. Pauli

Protofy GmbH & Co. KG · 2018

Maintenance of a football club web portal.

ReactC#

Live →

Stadtsalat (stadtsalat.de)

Protofy GmbH & Co. KG · 2017

Further development of a food delivery app.

AngularReactMongoDBNode.jsWebpackMocha

Live →

Jenkins Test Pipeline

Alemo kommunikations GmbH · 2016

Test pipeline for existing cloud platform.

DockerPHPJenkins

Immonet

Immonet GmbH · 2015

Further development of the existing cloud platform.

ReactNode.jsTypeScriptDockerJenkins

Feinschmecker Weinportal

Intosite GmbH · 2014

Wine search portal.

DjangoPythonElasticsearch

Prinz - City and Event Portal

Intosite GmbH · 2013

Full-stack development of an event portal.

DjangojQueryPostgreSQLElasticsearchPython

Trendsetter (trendsetter.eu)

Intosite GmbH · 2013

Full-stack development of a product testing platform with forum, surveys and internal credit system.

DjangojQueryPostgreSQLPythonJinja

Projekt 50+

Intosite GmbH · 2012

Full-stack development of an editorial content based web portal for job-seeking people.

DjangojQueryPostgreSQLPython

Urbanite - City and Event Portal

Intosite GmbH · 2012

Full-stack development of an event portal.

DjangojQueryPostgreSQLSolrPython

Merian

Intosite GmbH · 2011

Further development of merian.de.

PythonDjangojQuery

Interspeek configuration tool

AR International GmbH · 2009

Interactive tool to configure the product.

jQueryPHP