// Computer Scientist (Diplom Informatiker FH)
Curriculum Vitae
# Profile
As an agile and experienced software developer, I have a passion for innovative solutions and a proven track record in developing high-quality software. With extensive experience in agile software development and a strong background in various programming languages and technologies, I am able to solve complex problems and deliver high-quality products.
# Key Skills
Programming Languages
Frameworks & Tools
Cloud & Infrastructure
Soft Skills
# Education
# Core Areas and Frameworks
Spring / Spring Boot
- ✓ Experience with Spring and Spring Boot using Kotlin
- ✓ Scalable and efficient applications with Spring Framework
- ✓ RESTful APIs with Spring Boot and Kotlin
- ✓ Microservices architectures with Spring Cloud
- ✓ Spring Data JPA for database integration
Kotlin
- ✓ Kotlin Multiplatform (KMP) for cross-platform development
- ✓ Compose Multiplatform UI Framework
- ✓ Ktor HTTP client and server framework
- ✓ Coroutines for asynchronous programming
- ✓ Kotlin Multiplatform Mobile (KMM)
iOS / Swift / SwiftUI
- ✓ SwiftUI with Combine and Async/Await
- ✓ CoreData and RealmDB for local data persistence
- ✓ Swift Package Manager
- ✓ UIKit and Xcode development environment
- ✓ Unit testing and debugging
AWS
- ✓ AWS Lambda for serverless functions
- ✓ AWS S3 for data storage
- ✓ Complex AWS architecture design
- ✓ AWS Amplify for mobile backends
Vaadin
- ✓ Vaadin Flow (Java-based)
- ✓ Responsive and cross-platform web applications
- ✓ Integration with Spring Boot and Java EE
- ✓ Vaadin Designer and Vaadin Testbench
# Skills Overview
Programming Languages
Databases
Data Communication
Projects
Healthcare (Gene Sequencing)
November 2025 – presentSenior Software Developer / Architect
Design and development of a scalable backend system for processing genetic sequencing data. Hexagonal Architecture, Domain-Driven Design, REST APIs with Ktor and Micronaut.
AI / Machine Learning Training
October 2025 – presentSelf-directed
Implementation of a custom GPT-style ChatBot. Understanding LLM fundamentals, training with custom data, deep learning and machine learning foundations.
Kotlin Multiplatform Training
October 2025 – presentSelf-directed
Prototyping cross-platform mobile apps with KMP. Native UIs (SwiftUI, Jetpack Compose), shared backend in Kotlin, cloud integration with Firebase and AWS.
Retail / Consumer Goods (Rossmann)
June 2025 – October 2025Senior Software Developer
Redesign and theming of the master data portal. UI refactoring, CSS adjustments and Vaadin code refactoring.
Integrated Communications Agency
May 2025 – October 2025Senior Software Developer, Software Architect
Development of a multiplatform app for iOS and Android with KMM. SwiftUI and Jetpack Compose UIs, RealmDB, AWS Amplify, Python data processing.
Healthcare / Telematics Infrastructure
August 2024 – April 2025Senior Software Developer / Architect
Development of a reference implementation for "Prove of Patient Presence" (PoPP). Cryptographic methods, PKI integration, smart card connectivity (eGK).
Optical Industry
November 2023 – April 2024Senior Software Developer
Development of an automated material tracking solution for production control. IoT and OPC UA integration.
Energy Supply
June 2023 – October 2023Consultant, Software Developer
Design and development of a configurable parser for analyzing and transforming business data from a gas trading system.
Healthcare (116117 App)
July 2022 – presentQA, Architecture Consulting
Quality assurance and architecture consulting for a nationwide health app. Code reviews, best practices, pull request processing.
Retail B2B (Hardware Stores)
July 2022 – March 2023Senior Developer, Backend
Development and maintenance of various backend solutions and iOS apps in the retail B2B space.
Automotive (Porsche Digital)
September 2021 – March 2022Senior Developer
Development of an app and backend for digitalizing customer-facing sales processes. Event sourcing, analytics, microservices.
Healthcare (Electronic Health Record)
July 2021 – September 2021Senior Developer
Design and implementation of a desktop client for the electronic patient record. Smart card integration on MacOS.
Education / Finance
January 2021 – August 2021Senior Developer
Design and implementation of microservices as core elements of a monolith-to-microservices migration.
Market Research
December 2020 – January 2021Developer
Development of an iOS SDK as a CocoaPod for a market research platform.
Tourism
July 2020 – November 2020Software Developer
Design and development of a microservice for managing available accommodations as a "single source of truth".
Education (DHBW Mannheim)
September 2015 – September 2020Lecturer
Teaching mobile application development on iOS with Swift. Creating teaching materials, demos and supervising student projects.
Healthcare (iPad App)
March 2020 – June 2020Software Developer
Design and development of an iPad app for first responder CPR training and emergency measures education.
Pharmaceuticals (Digital Library)
December 2018 – March 2020Software Developer, Consultant
Co-development of an internal library system for medical article research with Kafka-based event processing.
Chemical Industry
October 2016 – December 2018Java Onsite Coordinator, Software Developer
Coordination with offshore teams in India. Development of projects in security self-service and compliance.
Automotive (Compliance)
February 2016 – September 2016Developer
Development and prototyping of a compliance web application. Integration of reporting frameworks, GUI development with Vaadin.
Sports (Nike USA)
March 2014 – April 2015Software Engineer, Consultant
Co-development of an iPad app for Nike USA. Frontend in Objective-C/iOS, backend in Java with Spring Framework and JBOSS.
Internet Startup (Berkeley, CA, USA)
2000 – 2002Architect, Developer, Co-Founder
Design and implementation of a social network platform for mapping and utilizing social networks. Middleware development with Tomcat and JBOSS.