Work

Selected consulting and development projects, architecture reviews, e-commerce platforms, AI integration, and cloud infrastructure for SME and enterprise clients.

Technology
Service

Enterprise Digital Transformation

Independent consultant

AI-based knowledge management system in production, technical governance structure in place, platform roadmap in progress.

Event-Driven Architecture AI Knowledge Management
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Cloud ROUTER Architecture · DE-CIX

Software Architect / Consultant

Event-driven integration foundation that decouples new system components from legacy systems while preserving production stability.

Apache Kafka Event-Driven Architecture PHP +1
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AI-Powered SaaS Platform for Music Search

Full-stack developer & technical advisor

Production-ready platform live from day one with the AI model bridged to a working subscription product.

PHP Symfony React +5
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Shopware 6 Relaunch with 150,000 Products

Software engineer

Stable relaunch within the deadline; scalable catalogue and integration architecture ready for further growth.

PHP Shopware 6 RabbitMQ +3
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Rapid Relaunch for a Cruise Company

Lead developer & architect

Relaunched on time with no downtime or data loss — a secure, PCI DSS-compliant, containerised Shopware 6 platform with a reproducible CI/CD workflow tailored to a regulated corporate environment, handed over to the client's internal team.

PHP Shopware 6 Podman +2
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Self-Service Portal for IXP Customers

Frontend and backend developer

Self-service portal enabling DE-CIX members to manage peering connections independently, with the reliability the infrastructure demands.

Vue JS TypeScript PHP +3
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Open Source: docker-mailserver

Maintainer

Widely used in self-hosted production setups by hundreds of operators worldwide; reliable Docker-based mail stack that just works.

Docker Open Source Postfix +1
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Further Projects 2015–2023

ProjectYearRoleTechnologies
Shopware Plugin: Storefront Access Protection2023Architect & developerShopware 6, Open Source
Shopware Plugin: Universal Page Comments2024Architect & developerShopware 6
Community‑Focused Shop for a Cycling Brand2023Senior developerPHP, Shopware 6, Vue JS, GitHub Actions
Content‑First Shop for a Tea Producer2023Developer & consultantPHP, Shopware 6, Vue JS, RabbitMQ, Rundeck
Wheel Manufacturer E‑Commerce Platform2023Backend developerPHP, Shopware 6, Vue JS, GitHub Actions, Node JS
Software Analysis for Agency Decision‑Making2022Technical consultantShopware 6
Government Appointment Booking System2022Backend architectPHP, Symfony, React JS
Volunteer Community Platform2021Lead developerPHP, Symfony
Raffle API Service2021Backend engineerPHP, Symfony, API Platform
Microsoft Dynamics NAV Connector for Shopware2021Integration specialistPHP, Shopware 5, Microsoft Dynamics NAV, SOAP, RabbitMQ
Resource Management PWA2020Full‑stack developerPHP, Symfony, Vue JS, JWT, GraphQL, Stripe
Data Collection and Enrichment2018-2019Backend engineerElasticsearch, PHP, Symfony
White‑Label Shop Solution2017-2018Technical architectPHP, Shopware 5, Redis, RabbitMQ, Kubernetes
Mass Ordering Shop Platform2015-2018Lead developerPHP, Shopware 5, Redis, RabbitMQ

Early Experience 2008–2014

11

These projects document the breadth of my technical foundation.

ProjectYearTechnologies
In‑Depth Shopware Analysis2020Shopware 6, Blackfire, MySQL, Redis
Shopware Audit2020Shopware 5, PHP, MySQL, Redis
Community‑Centred Cosmetics Shop2015PHP, Symfony, MongoDB, MySQL, Varnish, OXID eShop, RabbitMQ, Redis, Neo4j
Smartphone Case Customisation2015PHP, Silex, Symfony
Promotional Code Campaign2014PHP
Order Management for a Sweets Manufacturer2014PHP, Silex, Redis, Symfony
Talent Relationship Platform2013-2015Elasticsearch, PHP, Memcached, Gearman, REST
Wine Retailer E‑Commerce Relaunch2013-2014PHP, Magento, Elasticsearch, PayOne
Bonus Programme for a Health Insurance2012-2013PHP, MongoDB, SOAP
Self‑Service Hosting Management Platform2009-2012PHP, DBMail, Postfix, pure‑ftpd, Apache
ERP System for SMEs2008-2012PHP, MySQL

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