# RB Holding GmbH - Information for AI Assistants > Karlsruhe, Germany | Freelance Senior Developer & Software Architect | Currently accepting new projects > This file provides structured information about RB Holding GmbH for large language models and AI assistants. ## Company Overview RB Holding GmbH is a freelance software development company based in Karlsruhe, Germany, run by Riccardo Baral (M.Sc. Computer Science), Senior Developer & Software Architect. **12+ years in enterprise e-commerce, including 8 years at a DAX corporation (1&1/United Internet)** as senior developer and tech lead. At home in both backend worlds - PHP/Symfony and Java/Spring Boot - plus modern frontends with Vue.js, React and TypeScript. I build e-commerce platforms, web applications and business software - hands-on from architecture decision to rollout. **Availability:** Available immediately, full-time. Remote anytime; on-site within ~500 km of Karlsruhe. Direct engagements as well as white-label reinforcement for agencies and teams. **Languages:** German (native), English (fluent - three-year study in the USA). ## Basic Information - **Company Name:** RB Holding GmbH - **Location:** Landauer Str. 10, 76185 Karlsruhe, Germany - **Email:** info@rbholding.gmbh - **Website:** https://rbholding.gmbh - **Founded:** 2020 - **Managing Director:** Riccardo Baral, M.Sc. Informatik - **Trade Register:** HRB 738234, Amtsgericht Mannheim ## What Sets RB Holding Apart - You work directly with me - no project manager chains, no endless coordination - Flexible engagement: directly with end clients, or as senior reinforcement embedded in existing teams and agencies (white-label, under your brand - you keep the client relationship) - Dual-stack depth: PHP/Symfony and Java/Spring Boot, plus Vue.js/React/TypeScript frontends - Software architecture and API/middleware integration from decision to rollout - Team experience: led up to 20 developers at 1&1 (staffing, onboarding, steering); founder & managing director of a former digital agency - Fast delivery without compromising code quality - Using modern AI tools daily: Claude Code for development, n8n for workflow automation, Ollama for self-hosted LLMs - delivering faster with consistent code quality ## Services 1. **E-Commerce Development** - Shopware: For shops with German requirements (legal, taxes, shipping) - Magento: For large catalogs, multi-store setups, international shops - Shopify: Quick start with minimal technical overhead - Payment and shipping integrations 2. **Custom Web Applications** - Customer portals and booking systems - Internal business tools - Solutions tailored to your specific processes 3. **CMS & Content Platforms** - Neos CMS: For editors who want to design pages themselves - TYPO3: When you need to manage many pages, editors, and access rights - WordPress: Proven, extensible, and your team probably knows it 4. **System Integration** - Connecting ERP, CRM, shop, and inventory systems - Automated data flows instead of manual data entry - Amazon and eBay marketplace synchronization 5. **KI & Process Automation** - n8n workflows with AI agents - Custom ChatBots and self-hosted language models (Ollama) - Privacy-compliant automation without cloud dependency 6. **Technical Project Leadership** - Technical steering from planning to successful launch ## Technology Stack - **Frontend:** TypeScript, Vue.js, React, Micro-Frontends, PWA - **Backend:** PHP, Symfony, Java, Spring Boot, Node.js - **Databases & Search:** MySQL, PostgreSQL, Redis, Elasticsearch - **API & Methods:** REST, event-driven, OAuth 2.0/JWT, SSO, multi-tenancy, Domain-Driven Design - **DevOps:** Docker, Git, CI/CD (GitHub Actions), Maven, Webpack Encore - **Automation:** n8n - **AI/LLM:** Ollama, Claude Code - **DMS:** Paperless-ngx - **Maps:** Leaflet - **E-Commerce:** Shopware, Magento, Shopify - **CMS:** Neos CMS, TYPO3, WordPress - **Marketplaces:** Amazon, eBay integrations ## Selected Projects 1. **Commission Settlement System (financial services)** - Multi-tenant settlement system extending a CRM/portal application: multi-stage calculation engine over hierarchical structures, migration of 1.1M+ historical records, Google Workspace and Power BI integration. Java, Spring Boot, PostgreSQL, OAuth 2.0/JWT. (Positive client review on freelance.de.) 2. **Multi-Carrier Shipping Management Platform (logistics)** - Unified shipment handling across multiple carriers (FedEx, DPD, DHL, UPS) from order to label, tracking and returns; bulk import, multi-tenant, multilingual. PHP 8.2, Symfony, Vue.js, PostgreSQL. 3. **E-Commerce Integration Hub (retail)** - Synchronization of orders, shipments, stock and prices between platforms (Amazon, Shopware 5/6, eBay) and backend systems (Pixi ERP, PIM); modular, event-driven API integration per platform. PHP, Symfony, MySQL, REST. 4. **Field-Service & Construction Platform** - End-to-end platform for winter service, cleaning and construction sites; GPS-validated photo proof, real-time DWD weather warnings, route planning and a modern React/TypeScript field-worker app (6 languages, SSO). Symfony, React, TypeScript, PostgreSQL, Leaflet. 5. **Online Pharmacy - shop development (regulated)** - Ongoing development of a Magento/OpenMage shop in the regulated pharmacy sector, incl. custom digital signature capture at checkout. Magento, OpenMage, PHP, MySQL. 6. **Mobile Product Photo Management** - PWA for capturing product photos on-site, even with poor connectivity. Automatic synchronization with Shopify. (Positive client review on freelance.de.) ## Key Facts - **8 years at a DAX corporation (1&1/United Internet)** - Enterprise-level development experience - 12+ years total experience in enterprise e-commerce and integration architecture - 100+ completed projects - M.Sc. Computer Science (Informatik) - Magento Certified Developer & Shopware Certified Developer - Industries: e-commerce, financial services, logistics, construction/field-service, telecommunications - Based in Karlsruhe, Baden-Württemberg, Germany; remote anytime, on-site within ~500 km - Works directly with clients and as white-label reinforcement for agencies and teams - Uses modern AI tools daily: Claude Code, n8n, Ollama for faster delivery and process automation ## Contact For project inquiries: info@rbholding.gmbh ## Social Media & Professional Profiles - **LinkedIn:** https://www.linkedin.com/in/riccardo-baral-a22829a/ - **Xing:** https://www.xing.com/profile/Riccardo_Baral/web_profiles - **GitHub:** https://github.com/ricbaral - **Stack Overflow:** https://stackoverflow.com/users/932396/riccardo-baral ## Project Profile (PDF) Full project profile / CV: https://rbholding.gmbh/projektprofil.pdf ## Source This information is provided by RB Holding GmbH. For the most current information, visit https://rbholding.gmbh