Portfolio & Case Studies
Professional projects showcasing expertise in cross-platform development, distributed systems, and mission-critical software engineering.
Featured Projects
Mobile application for quality management and food safety compliance, used by restaurants and food service businesses globally.
Role:
Senior Software Developer
Key Responsibilities:
- Developed cross-platform mobile app for iOS and Android using Qt Framework and C++20
- Built custom Bluetooth communication framework for Testo measurement devices
- Designed and implemented data layer architecture for device connectivity
- Integrated testing frameworks and release automation
Technologies:
Achievements:
- Successfully deployed to both iOS App Store and Google Play Store
- Achieved reliable Bluetooth connectivity with measurement devices
- Implemented modular architecture for easy maintenance and scalability
Keywords: cross-platform mobile app, Qt developer, Bluetooth developer
Component ownership and development for Spectrum Scale, IBM's high-performance clustered file system (formerly General Parallel File System - GPFS).
Role:
Software Developer & Component Owner
Key Responsibilities:
- Component Owner for Clustered Configuration Repository (CCR)
- Customer escalation handling and defect analysis
- Story planning, implementation, and delivery
- Performance optimization for distributed file operations
Technologies:
Achievements:
- Successfully resolved critical customer escalations
- Improved system reliability and performance
- Maintained component stability across major releases
Keywords: distributed systems, GPFS, cluster management, C++ engineer
Full-stack development of a comprehensive web portal for exchanging security information and intelligence across the organization.
Role:
Software Developer & SCRUM Master
Key Responsibilities:
- Full-stack development of security information exchange portal
- Maintenance and development for Lotus Protector for Mail Security
- SCRUM Master for X-Force Research Team
- Containerized deployment using Kubernetes and Docker
Technologies:
Achievements:
- Delivered secure, scalable web platform for security teams
- Led agile development practices as SCRUM Master
- Successfully migrated to containerized infrastructure
Keywords: full-stack developer, security platform, enterprise software
Prototype development of a web-based Electronic Flight Bag for Air Traffic Controllers, focusing on reliable information management and user-driven design.
Role:
Application Developer (Master's Thesis Project)
Key Responsibilities:
- Developed web-based Electronic Sector Manual with database connectivity
- Evaluated automated generation through parametrization
- Conducted user research and usability testing with air traffic controllers
- Implemented responsive web interface with modern JavaScript frameworks
Technologies:
Achievements:
- Thesis grade: 1.3 (excellent)
- Successfully demonstrated prototype to air traffic controllers
- Validated user-driven approach to safety-critical information systems
Keywords: aviation software, high-integrity systems, web engineering
Desktop application with graphical user interface for configuration management of SPEED-xWDM fiber optic network systems.
Role:
Software Developer (Bachelor's Thesis Project)
Key Responsibilities:
- Designed and developed GUI application using C++ and Qt Framework
- Implemented hardware-oriented programming for glass fiber receivers
- Evaluated software solution for initializing configuration parameters
- Created intuitive interface for complex network device configuration
Technologies:
Achievements:
- Thesis grade: 1.0 (highest possible grade)
- Delivered production-ready configuration tool
- Simplified complex hardware configuration processes
Keywords: Qt GUI developer, telecom software, configuration tool
Additional Experience
NOLTE & LAUTH GmbH
Manual testing (black-box, ad hoc, stress, load, performance, regression, alpha, acceptance) for Mercedes Benz IAA presentation
Frankfurt University of Applied Sciences
Developed and conducted 14+ practical exercises for 60+ students, reviewed 180+ exams
QGroup GmbH
IT infrastructure realization and maintenance, customer support hotline