Full-Stack Developer with 15+ years in enterprise e-commerce, Java backends, and modern frontend frameworks. Specialized in marketplace platforms (SAP Hybris, Intershop ICM), microservices with Spring Boot and Quarkus, product data pipelines, and cloud-native services. I integrate AI tooling — including Claude — into my daily workflow to sharpen architecture decisions, accelerate delivery, and write better software.
- Developed and maintained Intershop Commerce Management (ICM) features, improving marketplace stability and functionality.
- Delivered features in the Merchant Service using Quarkus and Keycloak, enhancing authentication, authorization, and user management.
- Delivered features in the Offer Service using Quarkus and Keycloak, enabling flexible offer management.
- Created an Azure Function for automatic image resizing (small, medium, large), improving content delivery efficiency.
- Participated in business and technical workshops on Intershop Commerce Technology and ICM, supporting knowledge sharing and best practices.
- Conducted technology evaluation tests comparing Spryker, Adobe, and Magento, supporting strategic decision-making for marketplace architecture.
- Tested e-commerce technology performance, contributing to the selection of a new development partner.
- Engineered and optimized the export pipeline for 800,000+ product offers using SAP Hybris CDK, including Oracle query optimization that reduced export job runtime significantly.
- Built a Hybris automated job for Findologic integration, enabling advanced search filters across the full product catalog for end customers.
- Drove PIM performance improvements that reduced product synchronization errors and ensured reliable catalog updates across the marketplace.
- Integrated the Trusted Shops API, adding verified buyer reviews and trust badges that directly improved conversion trust signals.
- Developed dynamic, responsive dashboards with KPIs and 2D/3D charts using Highcharts.
- Implemented drill-down charts for detailed data exploration.
- Backend development using Java, JavaScript, SPRING, STRUTS, XML, IBATIS, Oracle.
- Frontend development using JQuery, AJAX, Bootstrap, Highcharts.
- Converted Kernel applications to be responsive for tablets and mobiles.
- Developed System Application using SPRING 4, Hibernate, Oracle, JPA, MySQL, AngularJS, and KENDO.
- Built business modules in Master Data Management Application with Java, JSP, JavaScript, SPRING, STRUTS, XML, IBATIS, Oracle.
- Gained expertise in Oracle analytic functions, triggers, functions, and cursors to handle complex data and parent-child hierarchies.
- Developed hierarchy queries for organizational and product hierarchies.
- Maintained and developed Item Management and Supplier Management modules, including item types, brands, identifiers, logistics, and user restrictions.
- Vue.js + Spring Boot Voting System: Built a full-stack web app with voting functionality, state management, and data persistence. Skills: Vue.js, Spring Boot, REST APIs, Database Integration.
- Flutter App for German Nouns: Developed a cross-platform mobile app to help users learn German nouns, with interactive UI/UX and efficient data handling. Skills: Flutter, Dart, Mobile App Design, State Management.
- Flutter App for 3 German Word Types (In Progress): Expanding the app to cover nouns, verbs, and adjectives with scalable architecture and complex data structures. Skills: Flutter, Dart, Advanced Data Modeling, UX Considerations.
- Additional Skills Applied: Python scripting for data generation (scraping, processing, JSON generation), full-stack development combining frontend, backend, and data handling, cross-platform mobile development (iOS & Android).
- Managed purchasing, sales, inventory, and customer service.
- Organized youth events, cultural evenings, and bistros.
- Designed advertisements and invitations.
- Led games and youth programs.
Apart from being a web developer, I enjoy most of my time traveling, hiking, swimming, cycling, and programming. 🌍⛰️🏊🚴💻
I spend a large amount of my free time exploring the latest technology advancements in frontend and backend development, as well as coding my personal projects! 🙌👨💻