Software Consultant

• AI strategy concept and implementation roadmap for an energy consulting company.
• Use-case matrix with nine application scenarios (including funding research, chatbot, initial AI consulting, topic radar), implemented as reusable Claude Code skills.
• AI strategy, use-case analysis / Claude Code Skills / n8n.

• Setup of a comprehensive Shift Left DevOps architecture for end-to-end (E2E) system tests of 240+ applications
• Implementation of the Shift Left strategy for DevOps in the area of E2E system tests to ensure software quality at an early stage
• Development and maintenance of complex telematics solutions for real-time collection and analysis of vehicle data to systematically optimize fleet availability
• Focus on reverse engineering of existing systems, development of scalable dashboards, and integration and analysis of communication protocols (e.g. CAN, MQTT, REST)
• Design and operation of automated test systems, coordination of suppliers, and technical implementation based on functional and non-functional requirements at the interface between embedded development, data analysis, and system integration

Project – Evaluation and development of databases for a new product line for a measuring equipment manufacturer

• Current-state analysis
• Requirements analysis of the data storage layer
• Writing benchmark tests
• Design of the new database schema
• Database migrations
• Development of audit logging and Part11
• Creation of backup and recovery concepts
• Design of the persistence layer API
• Writing unit tests
• Creating requirements in Azure

Tools: C#, Visual Studio 2022, Azure DevOps, SonarQube, Git, RestSharp, WebServer, PostgreSQL, MS SQL, SQLite, MinIO, Podman, Docker, DataGrip, SQL Management Studio, HeidiDB, pgAdmin

WFC is a web-based application and allows extensions in the form of TypeScript libraries.

• Programming and scripting languages: JavaScript, TypeScript, ControlScript from WinCC OA

• Earned the Microsoft DAT207x certificate on edX.
• Completion date: 21.01.2020.

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

• Analysis of extended requirements related to existing controllers in an industrial plant
• Creating concepts for storing and visualizing sensor data
• Communication with PLCs
• Microservice architecture
• Unified architecture
• AI-based evaluations of sensor data
• Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ

• Migrate SPARC T5 systems to SPARC T8 running Solaris 11.4

• Advise B2B technology and mid-market companies on commercial strategy, sales effectiveness, operating model design, and scalable growth.
• Coach senior sales leaders and executive teams on GTM choices, leadership effectiveness, accountability, and execution.
• Support market entry and growth planning through structured assessment of customer segments, value propositions, channel options, coverage models, investment priorities, KPIs, and risks.
• Facilitate peer-level strategy sparring and translate strategic decisions into measurable commercial initiatives.
• Combine systemic coaching, sales leadership experience, and change management practice to ensure decisions are practical and adopted.

• Tech stack: Flutter/Dart, Unity3D, React, NextJS, JavaScript, TypeScript, HTML, CSS, SASS, SCSS, Tailwind, Bootstrap, Ollama, llama.cpp, LangChain, MCP, RAG, n8n, Node-Red, PlatformIO, Arduino, ESP, C, C++, Python/Django, NodeJS, C#, .NET, PostgreSQL, MySQL, MS-SQL, MongoDB, AWS, Azure, GCP, GitHub Actions, GitLab CI, Azure Pipelines, Ansible, Terraform, Docker, Postman, REST, WebSocket, Figma, Penpot, Adobe Illustrator, Adobe InDesign, VS Code, Android Studio, Visual Studio, Unity3D, Jira, Confluence, Traefik, Rclone, Authentik, pfSense, Cloudflare, Proxmox, MQTT

• Previous projects:

• n8n automation that reads incoming emails from an Office mailbox and routes them to stakeholders

• FastMCP 2 server exposing internal services via REST API to an LLM

• Terraform migration of cloud infrastructure with Azure VMs, network, blob, storage and cloud-init

• Azure Pipelines for automated testing, deployment, and artifact management

• Terraform, Ansible, Cloudflare Tunnel integration with Docker container provisioning and backups

• GitHub Actions CI/CD for Flutter app builds, testing, automated screenshots, and App Store deployment

• Flutter app with SSO, local database, backend integration, BLE synchronization

• GCP setup with Cloud DNS, App Engine, Cloud SQL

• AWS environment with EC2, S3, Route 53, ECS

• Workshops delivered on Docker, Git, Terraform, Ansible, Cloudflare, DevOps, modern software development practices

• Backend development with Python Django REST Framework, PostgreSQL, MQTT

• SSO identity provider with OIDC, OAuth, LDAP, Cloudflare Tunnels, Authentik

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

optimizing business processes

IT consulting

• ERP
• intralogistics process
• production planning process
• Sales (wholesale, online, B2B B2C)
• product information management
• business intelligence

implementation

• interfaces (SAP, EDI, Databases, ERP, ...)
• ETL processes
• BI Reports

• Analysis of the existing CAN communication between microcontrollers
• Analysis of the sensors used and the measured values collected
• Planning the CAN messages for transmitting the measured values
• Iterative adjustment of the microcontroller code to the new CAN messages
• Cross-compilation from x64 to arm64

Further development, configuration and operation of DOXiS, a document management system at a large financial services company. Development of a document interface as a REST API to integrate with third-party systems using the Java Spring Framework. Programming client scripts in Visual Basic, as well as workflow and agent scripts in Groovy.