Highlights of my freelance projects over the years

I have worked on various projects over the years. Here are some highlights from my freelance work. Together with Gary Großgarten, we deliver software solutions for our clients and maintain Open Source libraries.

immoapp GmbH
2022
BGH Judgments App
Development of a mobile app for searching, downloading and sharing BGH judgments.
App Development, CMS
Angular
Ionic
Tailwind CSS
Capacitor
Android
iOS
immoapp.de/bgh

Skymatic GmbH
2016 - 2018
Cryptomator Android App
Architecture design and development of the Cryptomator Android native app.
Android App Development
Java
Kotlin
Android
Cloud Storage APIs
play.google.com/store/apps/details?id=org.cryptomator

CyBike GmbH
2017 - 2019
CyBike App and Portal
Development of a white-label mobile app and web dashboard for the digitalisation of bicycle services.
Web / App Development
Angular
Ionic
Cordova
Android
iOS

Domoforce GmbH
Jan. 2023 - Jul. 2023
AI-generated real estate exposé - domoAI
Development of a platform for apartment/house owner leveraging AI to generate real estate exposé.
Full Stack development - Web / API, Managing infrastructure
Angular
Tailwind CSS
NestJS
Prisma
Keycloak
OpenAI
Docker
domoai.domoforce.de

Domoforce GmbH
Sep. 2023 - now
AI assistant for apartment hunting on the web and WhatsApp
Further development of a platform for an AI-based housing market and assistant for searching for apartments on the web and WhatsApp.
Full Stack development - Web / API / Database, Managing infrastructure
Angular
Tailwind CSS
NestJS
Prisma
Keycloak
OpenAI
Docker
domoai.domoforce.de

medentis medical GmbH
2022 - 2023
Development of a Shopware-based mobile app - ICX-Shop App
Development and integration of Shopware API for dental implants and accessories shop mobile app.
App Development
Angular
Ionic
Tailwind CSS
Capacitor
Android
iOS
NestJS
Prisma
Docker
medentis.com/icx-app

immoapp GmbH
2019 - now
immocheck-app
Managing the infrastructure and developing the immocheck app to organize and simplify property management tasks.
Full Stack development - Web / API / Database, Managing infrastructure
Angular
Ionic
Tailwind CSS
Capacitor
Android
iOS
NestJS
Prisma
Docker
immocheckapp.de

inteligy GmbH
2018 - 2020
Meter reading App
Development of a mobile app for automated reading of gas and electricity meters and provision of data for energy billing.
App / API Development
Angular
Ionic
Cordova
Android
iOS

coac GmbH
2018
My M Safety App
Development of a mobile app for Merck KGaA to provide chemical safety information and for printing safety labels.
App Development
Angular
Ionic
Cordova
Android
iOS
play.google.com/store/apps/details?id=de.merck.merckproductsafety.googleplay

Inside Service GmbH
2019 - 2020
White Label Banking App
Consulting developers and development of a white-label mobile banking app using the KOBIL SDK for Bank Verlag. Managed migration of the app to newer tech stack.
App Development, Consulting
Angular
Ionic
Cordova
Android
iOS
one-inside.com