Client projects
Having worked for startups as well as big enterprises I can help you implement your software project, setup a cloud infrastructure, form a team and define a software development process.
Scobees - FullStack development (2025)
Scobees GmbH, Cologne/Germany
scobees.com
Participation in the development of the Scobees V3 learning system: The learning system for self-directed, differentiated learning – developed with schools, tested with school practice.
Scope of work:
FullStack software development - Focus on backend (NestJS)
Technologies used:
NodeJS 20, Typescript, NestJS 10, TypeORM / Postgres, Angular 20, Git / Gitlab, Jira
Samson D41 - FullStack development (2024 - 2025)
Peak One GmbH, Hamburg, Germany
Samson AG, Frankfurt, Germany
Member of the web development team and responsible for one of the central API’s (microservice).
Scope of work:
FullStack software development
Technologies used:
NodeJS 20, Typescript, Angular, AWS Cloud (ECS / Kubernetes), MongoDB / DocumentDB, Git, Jira, Unit testing, Integration testing
iSure - Webapp and AWS API Backend (2019 - 2024)
HB Solutions Enterprises AG, Ruggell, Liechtenstein
iSure AG, Schindellegi/Switzerland
Participation in internal software development of webfrontend, iOS app and API backend in the insurance business.
Scope of work:
Software development, system architecture
Technologies used:
Angular 15, Typescript, NodeJS 18, NestJS, AWS Lambda, AWS Amplify, GraphQL, Serverless Framework, S3, DynamoDB, mySQL, MongoDB Atlas, iOS Swift 5, SwiftUI, FileMaker plugin development (C++), CodeCommit, Git, TDD, Unit testing, Integration testing
Pares - Integrated finance (2018 - 2024)
PARES Strategiepartner GmbH, Cologne/Germany
finance.pares.de
Consulting, coaching and participation in software development and system architecture of the backend and frontend application.
Scope of work:
Fullstack software development, system architecture
Technologies used:
Java 19, Spark, Hibernate, Typescript, Angular 14, AWS Amplify, mySQL, Gitlab, Git
PROFI MIS Ionic App Migration/Update (2021)
Netempire Software GmbH, Rösrath/Germany
BBM Beratung Beteiligung Management GmbH, Bonn/Germany
www.bbm-bonn.de
Update to Ionic 5 (iOS UIWebview Deprecation)
Scope of work:
Software development
Technologies used:
JavaScript, Typescript, Ionic 3, Ionic 5, Capacitor, Node 14, iOS, Git
teVidi Next - App and API Backend (2019 - 2021)
teVidi GmbH, Bochum/Germany
www.tevidi.com
Development of a cloud-based solution for the management of the teVidi router, integration of IP cameras, delivery of camera images and location data and the corresponding hybrid app.
Scope of work:
FullStack software development, system architecture
Technologies used:
JavaScript, React, Redux, iOS, Android, React Native, NodeJS, AWS Lambda, Serverless Framework, S3, DynamoDB, Git
Arena Mietmöbel Webapplication (2019 - 2021)
Arena Mietmöbel GmbH, Frechen/Germany
Development and enhancements for the existing webapp.
Scope of work:
Software development
Technologies used:
Ruby 2.1, Ruby on Rails 4.1, mySQL 5.5, Git
poesi Ionic 3 App (2019 - 2021)
Lukas Hermann, Essen/Germany
Development and enhancements for the existing app:
Poesi is a digital collection of poems.
Scope of work:
Software development
Technologies used:
Ionic 3.9, Typescript, Node 10, AngularJS Admin, REST, JSON, iOS, Android, Git
Mobile API & Backend Project (2019)
DOMENICEAU, Aachen/Germany
Participation in the software development of an app project in the fashion industry.
Development of a mobile API & a backend admin webinterface.
Scope of work:
FullStack software development
Technologies used:
Angular 7, Typescript, Javascript, Serverless (AWS Lambda / Node 8), AWS S3, AWS DynamoDB, REST, JSON, Git
myBusiness.AI (2018)
Mobile2b GmbH, Cologne/Germany
Participation in the software development of the Angular web frontend.
Scope of work:
Software development
Technologies used:
Angular 5, Typescript, Javascript, Node 8, REST, JSON, Git