Experience
Career Timeline
Founder & Managing Director
quebi GmbH
Founded quebi GmbH to build innovative software products that deliver exceptional user experiences. Leading all aspects of product development, from strategic vision to technical implementation, with a focus on leveraging modern technologies and development practices.
Establishing a lean, efficient engineering culture centered on rapid iteration, user feedback, and cutting-edge technology stack. Building scalable serverless solutions while implementing AI-powered development tools to maximize team productivity and code quality.
Key Highlights:
- Founded and leading quebi GmbH as Managing Director
- Launched initial product offerings with strong user adoption
- Implemented rapid development cycles driven by user feedback
- Architected solutions using serverless and edge computing technologies
- Established AI-enhanced development workflow to accelerate delivery
- Building sustainable business while maintaining technical excellence
Software Engineer
Sunny Systems GmbH
Led engineering team through approximately 20 projects over nearly a decade, with many spanning multi-year contracts. Managed complete project lifecycles from initial requirements gathering and design to deployment and operations, working closely with clients throughout.
Drove requirements analysis, technical documentation, and user story preparation for development teams. Responsible for both on-premise and cloud-based system implementations, ensuring reliable long-term operation and continuous improvement.
Key Highlights:
- Successfully delivered ~20 projects with multi-year client relationships
- End-to-end project ownership: requirements, architecture, development, and operations
- Led and mentored engineering teams across diverse technology stacks
- Implemented scalable solutions for both cloud and on-premise environments
- Automated development workflows to improve team efficiency
- Maintained strong client collaboration throughout project lifecycles
Internship Software Engineer
Sunny Systems GmbH
Developed a fully functional prototype for a real estate application featuring a complex, intuitive drag-and-drop interface. The system enabled potential buyers to manage preference lists with extensive configuration options, combining modern frontend technologies with comprehensive testing practices.
Implemented end-to-end development workflow including UI design, automated testing, and continuous integration. Conducted additional research on matching algorithm optimization in C#.
Key Highlights:
- Delivered complete prototype from UI design through implementation
- Built intuitive drag-and-drop interface for complex preference management
- Established automated testing suite with unit and browser tests
- Configured CI pipeline for automated testing and code quality checks
- Researched and proposed efficient matching algorithm solutions in C#
- Applied modern frontend development practices with Angular 2
B.Sc. Computer Science
Hochschule München
Completed Bachelor of Science degree in Computer Science with a focus on software engineering, algorithms, and programming language theory. Gained comprehensive knowledge in software development, data structures, computer architecture, and software testing methodologies.
Bachelor thesis explored advanced software testing techniques, specifically implementing modified Boundary Interior Path Coverage for JVM-based languages, demonstrating deep understanding of code coverage analysis and automated testing frameworks.
Key Highlights:
- Bachelor thesis: "Fundamentals of implementing the modified Boundary Interior Path Coverage for JVM Languages" (Grade: 1.0)
- Strong foundation in software engineering principles and practices
- Practical experience with JVM languages and testing frameworks
- Concurrent industry experience through internship and part-time work
Projects
Selected Work
Cellestial
Coming SoonIntelligent point-of-sale system designed specifically for mobile phone retail operations. The platform provides smart recommendations for phone plans and hardware based on customer needs, while helping store owners optimize deal-making and achieve sales targets through smart analytics and goal tracking.
Built entirely on Cloudflare's edge infrastructure using Workers and Durable Objects, ensuring global availability with minimal latency. The serverless architecture delivers exceptional cost efficiency by automatically scaling to near-zero during off-hours and weekends.
Key Highlights:
- Intelligent recommendation engine matching customer needs to optimal plans and devices
- Sales goal tracking and deal optimization for store owners
- Global edge deployment using Cloudflare Workers for low-latency access
- Durable Objects for stateful operations and real-time data consistency
- Highly cost-efficient serverless architecture scaling to near-zero during off-hours
- Modern React frontend built with Vite for fast, responsive user experience
- Real-time inventory tracking and management
- Customer history and preference tracking for personalized service
- Analytics dashboard for sales performance and target monitoring
Kompetenzcheck Next
Comprehensive competency assessment platform designed to evaluate individual skills and abilities across multiple dimensions. The system supports diverse question types including knowledge assessments, cognitive tests, and speed-based evaluations, with automated scoring and professional PDF report generation.
Built entirely on AWS serverless architecture, delivering dramatic cost savings and operational efficiency improvements over the previous solution. Seamlessly integrates with Checkidy platform via REST API for end-to-end seminar management.
Key Highlights:
- Fully serverless architecture leveraging AWS Lambda, Step Functions, and DynamoDB
- Multiple assessment types: knowledge tests, cognitive evaluations, and timed assessments
- Automated scoring and professional PDF report generation
- REST API integration with Checkidy platform
- Dramatic cost reduction compared to previous monolithic solution
- Near-zero maintenance requirements through serverless infrastructure
- Highly scalable architecture handling variable load automatically
- Infrastructure as Code using CloudFormation for reproducible deployments
quebi.de
Modern portfolio website for quebi software development agency. Features an immersive 3D background experience built with Three.js and React Three Fiber, showcasing technical expertise through interactive visual elements.
Key Highlights:
- Interactive 3D background with floating geometric shapes and energy sphere effects
- Built with React Router v7 for seamless navigation and optimal performance
- Deployed on Cloudflare Workers for global edge distribution
- Markdown-based content management with build-time processing
- Fully responsive design with Tailwind CSS
- Contact form integration with Turnstile spam protection
- Dynamic CV generation with PDF export capabilities
Skills
Technical Expertise