Swift Experts in Germany

AI-supported document processing and inventory management integration

Design and development of an AI-supported application for the automated processing of delivery and invoice documents, connected to SelectLine ERP. Documents are analyzed using AI, matched with orders and line items, and prepared for posting goods receipts.

IMPACT:

• Automated extraction of structured order, delivery and invoice data from PDF and image documents
• Automatic and manual mapping of documents to orders and order line items
• Integration with SelectLine ERP for order import, status synchronization and goods receipt postings
• Traceable processing through separate analysis, mapping and posting processes as well as technical logging
• Development of a containerized end-to-end architecture with AI analysis, workflow automation and relational data storage

KEYWORDS: AI, document analysis, OpenAI, n8n, SelectLine ERP, FastAPI, Python, JavaScript, MariaDB, Docker, REST API, PDF, OCR, mapping, inventory management, goods receipt, workflow automation

• Led discovery phase and POC for Shopware to Shopify Plus migration across EMEA markets, evaluating platform suitability, technical architecture, and multi-brand/multi-country capabilities against business requirements.
• Designed reference architecture for Shopify Plus implementation incorporating headless front-end patterns (Vue.js, Nuxt.js), CMS integration (Magnolia), and Azure middleware (APIM, Functions, Logic Apps, Service Bus) for 11 EMEA markets.
• Defined migration strategy analyzing data mapping, cutover approach, and zero-downtime deployment patterns using Varnish caching, GitOps pipelines, and CI/CD orchestration across six vendor teams.
• Architected multi-tenant Shopify Plus governance model with centralized admin, localized storefront customization, and compliance controls (GDPR, data residency).
• Prototyped AI-driven search optimization (LLM.txt, JSON-LD) for product discoverability in Google AI results, demonstrating post-launch performance opportunities.
• Defined EMEA expansion roadmap for 15+ markets through C-level strategic workshops, identifying phased rollout, market-specific configurations, and resource requirements.
• Tech Stack: React, Nuxt.js, Vue.js, Magnolia CMS, Shopware, Shopify Plus, Azure (APIM, Functions, Logic Apps, Service Bus, Front Door), Varnish, SAP, MS Dynamics, Docker, Kubernetes, GitHub Actions, PostgreSQL, Kafka

agentic-engineer.online is my publicly testable live demo and at the same time the platform where I show my work. Originally created as a recruitment trial task, I have since continued to run it as my own demo, learning, and product project — on a Hetzner VPS behind a Cloudflare tunnel, through a multi-stage AI-orchestrated deploy pipeline with snapshot rollback. If a deploy step breaks, the system falls back to the last clean snapshot, the script is adjusted, the test repeated — empirical, test-driven, without hand tuning.

• Technically behind it: Python and FastAPI, an OpenRouter model cascade, SQLite persistence, and Cloudflare edge tuning.
• I am the developer and the strictest customer of my own AI work in one person — what started as a prototype has become a tool I use every day and against which I test my own products.

• Developed a Flutter app for eID ID card logins
• Focus: Flutter, iOS, eID, AusweisAppSDK, Mason, Keycloak, Agentic Coding, Arc42, Jenkins

• Coach international tech professionals through career transitions, helping high achievers move from reactive decision-making to clarity-driven career and life choices.
• Combined software engineering and consulting background with coaching expertise to address challenges specific to the tech industry, including career stagnation, imposter syndrome, and uncertainty around AI's impact on the field.
• Some of my client's measurable outcomes include landing multiple concurrent interview processes after a multi-year career gap, launching independent product ventures, securing technical roles that improved both financial stability and job performance, transitioning into non-tech careers.
• ~200 hours of coaching sessions. Guided clients through 1:1 and group coaching engagements, ranging from single sessions to year-long partnerships, focused on sustainable, values-aligned career growth.

• Proposed a unified advisor experience to simplify customer interaction management and helped secure buy-in for full-scale development.
• Redesigned 3 critical financial service workflows, improving usability while meeting compliance and accessibility requirements.
• Worked closely with legal, engineering, and accessibility teams to take solutions from early concepts to production-ready designs.
• Identified and fixed a major bottleneck in the request-handling flow, reducing friction for support teams by 40%.

Loom and Bloom

Python · TypeScript · n8n · Claude Code · Whisper · Gemini · Supabase · Notion · HubSpot · Digital Ocean

• Built an end-to-end content pipeline: one Loom video → marketing images, bilingual LinkedIn posts, newsletter and Help Center updates.
• n8n webhook → SSH → Claude Code session on a Digital Ocean VPS; three MCP servers (video, Notion, Supabase).
• Whisper word-level transcription, ffmpeg screenshots, Gemini UI annotation, PIL device mockups.
• Next.js upload UI plus a bilingual newsletter composer with HubSpot push.

• Taught German language and mathematics to children aged 4-16, providing homework assistance and tutoring
• Supported startups in UX, MVP development, and Lean Startup methodology
• Assisted with branding, communication, and design to strengthen market presence
• Maintained website and Venture Lab app; coordinated and ran events
• Developed presentations to support internal and external communications

• Set up an operational contract information system. This is mainly used as an order management system - for migrating existing contracts as well as for creating and providing new contract bundles.

• Sales agents can use it to order new services, modify existing ones and migrate service types, as well as provide price information to the customer.

• This supports the marketing of new services as well as the replacement of old services for existing customers.

• In addition, existing data is imported, processed (ETL) and provided via services for further use in the portal front end.

• Analysis of the business and technical use cases (workflows, involved processes/systems, communication paths, security requirements)

• Further development / creation of the front-end components (React/JavaScript)

• Design and implementation of the business logic

• Creation of the functional and technical component documentation

• Test execution / test automation (Cypress, test coverage)

• Team size: 8 people

• Technologies: React, JavaScript, Rest (JSon), Yaml, Markdown, MariaDB (SQL), Docker, Swagger, Cypress

• Tools: Webstorm, ReactDeveloperTools, VisualStudioCode, Word, DBeaver, Git/GitLab

• Work management: GitLab

• Platform: Linux

• Build management: GitLab

• Environment: AWS, Ruby on Rails, GraphQL, React Native
• Penetration test for Backend, Android-App and iOS-App

• Maintenance and enhancement of the DMS (Dealer Management System) developed by Mazda, as well as external interfaces to various third-party systems
• Management of service orders and provision of central components such as customer and vehicle management
• System design and further development/maintenance of the Delphi application using a Firebird database
• Creation and maintenance of SOAP/REST-based interfaces
• Technologies: Delphi, C#, .Net, SOAP, REST, Firebird, OAuth, Jira, DUnitX, Git

• Analysis and optimization of business processes in financial accounting
• Customizing in SAP FI (e.g. company codes, chart of accounts, payments)
• Integration with other modules such as CO, MM, SD
• Consulting on legal requirements (e.g. GoBD, UStG)
• Support with month-end and year-end closing
• Creation of test plans (system test, integration test, UAT)
• Definition of test cases (e.g. postings, payment runs, dunning runs)
• Selection of suitable test data and scenarios
• Manual testing of posting processes (e.g. customer invoice, payment run)
• Validation of automatic postings (e.g. for MM credit memo)
• Checking interfaces (e.g. to subsystems or non-SAP solutions)
• Documentation of defects in the test tool (e.g. Jira, ALM)
• Analysis and feedback to developers or the customizing team
• Retest after bug fixes
• E2E tests with SAP Solution Manager (SOLMAN)
• Use of tools such as SAP CBTA or Micro Focus UFT

• Implementation of a full-stack application with Angular as the frontend framework and Java as the backend language
• Use of the Swagger OpenAPI specification for REST communication between the frontend and backend applications
• Control of a card printer via the Nexus Card SDK framework
• Design and implementation of card management software with a web interface and a JavaFX module for printer monitoring
• Use of Cucumber tests for test automation and creation of test artifacts to test outside the development environment
• Use of Wireshark for network investigations to analyze the API of a third-party product and to monitor the REST API of the self-developed software

• Interim Product Manager for ainavio GmbH: developing AI powered E-Commerce product data annotation software with an international/cross-functional SCRUM team (agile, product discovery, user centered).
• Requirements Engineer at ZEISS: analysis and specification of requirements for process software within high-technology hardware production.
• Product Manager for PlanYou Business Process and Task Planner: transforming the product from an outdated on-premise solution to a modern, scalable cloud native SaaS application.
• Technologies: ChatGPT/OpenAI API, Azure DevOps, Confluence, Draw.io, Miro, Figma, Polarion, Scrum, JIRA