Warehouse Management System Experts

• Developed a browser-based platform for Kubernetes no-code deployment and cluster management
• Developed a CLI in TypeScript to deploy resources in the cluster without leaving the browser UI.
• Implemented DevSecOps pipelines: image scanning, SBOM, policy enforcement, supply-chain security, and used Kyverno. Implemented IAM integration for the command-line utility tool.
• Designed role and permission models for Keycloak, OAuth/OIDC, and social login flows.
• Used LLMs to convert user intent into diagrams.
• Worked on integration with multiple sovereign clouds like StackIT, Hetzner, CIVO, UpCloud, plus public clouds like AWS, GCP, and Azure
• The technology stack includes Java, Spring Boot, Kubernetes, OpenAI, Kubernetes multi-tenancy using vCluster, Karpenter, RBAC for CLI, Helm, React

• Creation of detailed concepts for all relevant GTS modules (compliance, pricing, customs clearance, Intrastat, preferences)
• Planning and conducting workshops, including scheduling and documentation
• Development and consulting of the organisational structure and its master data
• Setup and customisation of compliance functions: sanctions list review, embargo, legal control, US re-export
• Uploading and maintaining sanction and commodity lists
• Implementation and validation of integration tests
• Setup and customisation of the modules: pricing (including uploading of customs tariff numbers and STAWN data), customs clearance (including application for test operation with customs), Intrastat and preferences (including preference calculation and LLEs)
• Development and presentation of prototypes
• Derivation of insights for the final concept

• Project management of the legal and system-side integration of Taschenkaufhaus into the Voxa group: conversion of all contracts, accounts, and system access rights on the defined cutover date
• Migration from Microsoft Dynamics NAV 2009 to 2013: analysis of all existing interfaces, redefinition of processes, and coordinated go-live without interrupting operations
• Integration of the complaints and returns process into MS Dynamics NAV 2013; major process simplification through standardization
• Introduction of a new POS system (Shopify POS) in all stores: requirements analysis, configuration, rollout, and employee training
• Use of n8n automation workflows for data reconciliation between marketplaces and ERP; manual processes significantly reduced

• IT systems: Azure DevOps, SharePoint, Opal/Repost, JustinMind, Monday, SAP

• Analysis of requirements for branch software

• Coordination of intercultural teams

• Partly agile project organization

• Master data management / DMS

• UI/UX design and mockup creation

• Requirements documentation

• Digitalization of signatures

• Stakeholder management and workshop facilitation

• Billing/bank transfer

• Business analysis / requirements engineering

• Mendix low-code development / project management
• Managing external resources
• Customer and user management, roles
• Master data entry
• Quote preparation
• Material costing
• Workflows
• Basic CRM functions
• API interfaces (email, SMS, AI chatbot)
• PDF API (.NET development using Aspose.PDF)
• Stakeholder management (dev teams, enorin team, test client)
• Risk management (backend access & sizing, role concepts)
• Testing and staff training
• Creating epics and stories in Confluence
• Jira Scrum planning and management

This is what LocalConnect offers you

• Guaranteed 30+ new guests in just 30 days
• Specifically designed for restaurants, hotels, cafés & bars in the DACH region
• More full tables without discounts
• More regular guests who keep coming back
• More positive Google reviews
• More revenue and profit per guest
• Higher occupancy – even on slow days
• Faster recruitment of qualified staff
• Building your own guest database for follow-up offers
• Fully automated WhatsApp marketing system
• Meta ads for predictable guest acquisition
• WhatsApp newsletter for long-term guest retention
• Recruiting campaigns for new staff
• GDPR-compliant implementation
• Turnkey system – we handle the entire setup
• No tech stress and no extra work
• Measurable results through live tracking
• More predictability, security, and sustainable growth
• You focus on your guests – we'll take care of the rest

• Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
• Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
• Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.

• Supported an integration project between SAP S/4HANA and a MES / Siemens Opcenter system via Azure Middleware.
• Responsible for SAP-side analysis, mapping and provisioning of relevant data objects such as material master data, production orders and process orders using SAP standard APIs and OData services.
• SAP-side mapping for Material Master, Production Orders and Process Orders
• Usage of API_PRODUCT, API_PRODUCTION_ORDER_2_SRV and API_PROCESS_ORDER_2_SRV
• Consideration of SAP S/4HANA Advanced Available-to-Promise for order confirmation, production availability and downstream MES execution
• Support for SAP Gateway and OData service topics
• Interface coordination between SAP S/4HANA, Azure Middleware and MES / Siemens Opcenter
• Support for testing, monitoring and error analysis
• Worked with BTC Cockpit and Deloitte ASADEV Tool

The consultant's responsibilities/actions are:

• Consulting on the migration of material master & PP Master data
• Prepare Article List template for Cutover Phase
• Implementation of data cleansing measures using individual and bulk changes
• SAP all mandatory fields data extraction regarding Business needed
• SAP migration, Cutover, Testing, BAT, UAT
• Align with the multiple Stakeholders regarding Data from Legacy and SAP System
• Deployed SAP MM best practice (guided configurations, active methodologies and road map for project initiation)

SAP ERP | SAP GEMINI | SAP Fields Coordination | Documentation | SAP IDoc | SAP Integration | SAP End-to-End Process | SAP MM (Material Management) | SAP Functional Consultant | SAP Gap analysis | SAP MDM (Master Data Management) | Data Migration & Management

• Situation: Increasing demand for privacy-compliant AI solutions for clients in the KRITIS and mid-market sector that need to analyze sensitive media content (audio, video, documents) without sending data to public cloud LLMs.

• Task: Design, deployment, and secure operation of a fully self-hosted AI infrastructure including a custom-built digital management platform for automated media analysis.

• Action: Architected and implemented a multi-tier platform on hardened Proxmox infrastructure with frontend (Nuxt 3, Vue 3, TypeScript, Tailwind 4), backend (Laravel 13, PHP 8.4, Sanctum), data storage (PostgreSQL 16, MongoDB 7), caching/queuing (Redis 7, Laravel Queue), AI workers (Python 3.11, Whisper, DeepFace, Librosa), scheduling (Laravel Scheduler/Cron), and local LLMs (Gemma, DeepSeek, Qwen, Mistral, LLaMA, Phi) via OpenWebUI with segmented network access, API hardening, and audit logging following BSI recommendations.

• Result: Fully GDPR-compliant, on-premises AI platform with zero data leakage to third parties.

• Task: Overall responsibility as an external Head of Cyber Security / CISO-as-a-Service for the design, implementation, and continuous improvement of ISMS according to ISO 27001, BSI IT-Grundschutz, and NIS2.

• Action: Built and managed Cyber Defense Centers (CDC) with SOC operations, integrated SIEM solutions (Splunk, Graylog), established risk-based vulnerability management (Qualys, Nessus, OpenVAS), and conducted regular infrastructure, application, and physical penetration tests.

• Result: Audit-ready ISMS for multiple clients and a 60% reduction in critical vulnerabilities within 90 days.

• Task: Design and execution of NIS2 assessments and operational roll-out plans for KRITIS operators.

• Action: Developed an online assessment tool for automated identification of individual weakness profiles, implemented ISMS optimizations, penetration testing, awareness programs, GRC suite deployment, and delivered C-level presentations.

• Result: Accelerated the consulting process by 50% and successfully prepared multiple clients for NIS2 compliance.

• Task: Incident commander for crisis response, forensics, and business recovery in ransomware attacks and APT campaigns.

• Action: Coordinated with state and federal police (LKA, BKA), performed forensic analysis (OSForensics, Wireshark, Kali Linux), executed disaster recovery and BCM strategies, and developed BTC extortion response strategies.

• Result: 100% recovery rate within defined RTO windows and sustainable post-incident security architectures.

• Action: Planned, built, and operated a hardened multi-VM infrastructure (Proxmox, 15+ VMs) with web and mail servers, Graylog, OPNsense firewalls, CRM/ERP and LLM instances, network segmentation, DDoS mitigation, automated patch management, and backup strategies.

• Result: >99.5% uptime over 20+ years and zero compromises.

• Action: Designed coordinated phishing campaigns with five levels of difficulty, developed e-trainings and webinars in a PDCA cycle, and led red and blue teams.

• Result: Phishing click rate reduced from 35% to under 5% within three campaign cycles.

• Interim leadership responsibility for realigning the entire leadership organization – away from classic target setting and solution specification toward a teal-oriented organization with clear responsibility for each individual employee.
• Stabilization of production processes and reduction of the backlog in all customer projects.
• Building up the necessary material inventory (agreed with end customers by contract) – eliminated backlogs and special runs, achieved 2 weeks of material inventory.
• From the start of the assignment, also took over overall technical responsibility for Research & Development (R&D).
• In addition to the CSO/COO role, took over responsibility for controlling and finance in the last 9 months.

• DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
• E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.

Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#

• Responsibility for all operational areas from logistics, production to supply chain, quality, planning, and improvement
• Building a new operations organization structure in response to increased demand during the COVID-19 situation
• Redefining internal processes and establishing a leadership structure for quick market response
• Setting targets and continuously tracking operational goals
• Reducing lead time in the extruder area from 28 weeks to 10 weeks within 15 months through sustainable supply chain and flexible manufacturing methods
• Cutting lead times in the lab area for analytical devices from 15 weeks to 3–4 weeks
• Increasing output in the analysis department by 35% while reducing capacity by 20%
• Implementing measures to reduce inventory and increase inventory turnover
• Improving supply chain strategy, cycle time reduction, and flow production for serial products
• Driving digitalization in production and warehouse management
• Implementing a comprehensive reporting system

Analysis of global procurement flows, as well as planning, tendering, and implementation of an import warehouse and a warehouse for stowing and unloading site containers

• Analysis of existing procurement transports from suppliers to plants, e.g. transport flows, frequencies, modes of transport, shipment sizes, Incoterms
• Development of the operational processes of a central import warehouse and a warehouse for stowing and unloading site containers
• Tendering of the import warehouse and the warehouse for site logistics (shipping and returns management)
• Negotiations with bidders as well as final selection and contract design with the chosen service provider
• Technical support and monitoring of warehouse implementation until go-live with the chosen service provider
• In parallel, analysis of warehouse handling for spare parts in own and outsourced operations as a solid basis for a make-or-buy decision