Alexander Schulze-AI Consultant for AI Voice Bot System
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Experience
AI Consultant for AI Voice Bot System
Rudolf Hörmann GmbH & Co.KG
- Advisor for system architecture, AI agents & integration, coach for data & process logic, graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance & performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
Knowledge Graph & AI Consultant (Media)
Arbeitsgemeinschaft öffentlich-rechtliche Rundfunkanstalten der Bundesrepublik Deutschland (ARD)
- Coaching of an EBUCorePlus-based data dictionary, semantic modelling, system-to-ontology mapping strategy across heterogeneous broadcasting systems (HFDB, FESAD, ARD.CORE).
- Knowledge graph and AI-supported mapping and validation workflows for rule-based, scalable and explainable metadata transformation.
- Interactive graphics and mapping visualization and exploration.
- Enterprise and cloud architecture, quality assurance, governance and vendor-neutral operation.
- Technologies: Protégé, GraphDB, OWL, RDF/S, SPARQL, SHACL, RML/YARRRML, KeyCloak, OpenAI/Azure AI, Node.js, Three.js, D3, Sigma.js, Weaviate, ENAPSO, Sencha ExtJS/Architect.
- Ontologies: EBUCorePlus, Time, DC, SKOS, QUDT, PROV.
Knowledge Graph & AI Consultant (Media)
Nederlandse Publieke Omroep (NPO)
- Consulting, architecture, transformation of the POMS system to the EBUCorePlus ontology and its classification schemes (vocabularies) based on OWL, RDF and RML, SPARQL and SHACL.
- Mapping rules, validation, performance, quality assurance as part of the European HARMONY project.
- Technologies: Protégé, Ontotext GraphDB (VAR), OWL, RDF, SPARQL, SHACL, JSON-LD, RML, ENAPSO, ExtJS and Sencha Architect.
- Ontologies: EBUCorePlus, Time, DC, XKOS, SKOS.
Knowledge Graph & AI Consultant (Media)
Vlaamse Radio- en Televisieomroeporganisatie (VRT)
- Architecture, development and operation of a cloud and on-premise LLM-based translation system and semantic search for EBU ontologies (EBUCorePlus) as part of the funded European MOSAIC project, based on ENAPSO.
- Technologies: Protégé, GraphDB, OWL, RDF/S, SPARQL, SHACL, RML, KeyCloak, OpenAI, Azure AI, Bedrock, VRT Smart.Assistant, Node.js, Weaviate, ENAPSO, Sencha ExtJS/Architect.
- Ontologies: EBUCorePlus, QUDT, PROV, Time, DC, SKOS, CCDM.
Knowledge Graph & AI Consultant (PLM)
LEGO System A/S
- Architect for LEGO P(E)LM Knowledge Graph, semantic web modelling and AI training, SAP migration, data quality, search, transformation, enrichment, security, documentation.
- Technologies: OWL, RDF/S, LLMs, SPARQL, SHACL, JS, RML, Node.js, OpenAI, Weaviate, OpenSearch, Azure on-premise LLMs, Kafka, Ollama, Protégé, GraphDB, AWS Neptune, BPMN, SAP, Signavio, metaphactory, ENAPSO, ExtJS, Sencha Architect.
Knowledge Graph & AI Consultant (HR)
AURORA tecKnow GmbH
- Consultant for a semantic matching, recommendation, analysis, and text generation system; a combined Large Language Model (LLM) and Knowledge Graph-based assistance platform for demand/supply matching.
- AI-assisted interpretation and knowledge enrichment, fine-tuning, crawling and analysis, classification, and semantic tagging of documents and online content.
- Technologies: LLMs, Pinecone, LangChain, Python, HuggingFace, RDF/S, OWL, SPARQL, SHACL, JS, Node.js, React, NLU, ChatGPT, Aleph Alpha, Llama, Gemini, Mistral, Mixtral, Gemma, Puppeteer, Protégé, ENAPSO, GraphDB, Camunda BPMN, Azure, ADFS.
- myHusky, AI project funded and awarded by SDIL/DFKI.
Knowledge Graph & Chatbot Consultant for Digital Assistants
Telekom AG
- Trainer and coach for Knowledge Graph technologies used in the digital assistant 'Frag Magenta', conversational AI, system integration, and recommendation system.
- Technologies: Phone bots, Alexa, Google Assistant, WhatsApp, Facebook, NLP, NLU, Rasa Framework, IBM Watson, Magenta Speaker, RDF, OWL, SPARQL, Protégé, Node.js.
Knowledge Graph & AI Consultant and Project Manager for Process Automation Platform
ITK Engineering GmbH, Robert Bosch GmbH
- Project manager and Scrum Master (CSM) for a semantic product engineering system, a Knowledge Graph-based process assistance platform in product development.
- AI-assisted knowledge building and smart human-machine interfaces.
- Technologies: Stardog, TopBraid EDG/CE, RDF/S, OWL, SPARQL, SHACL, JS, Nest.js, React, NLU, LLMs, ChatGPT, Aleph Alpha, Puppeteer (scraping), integration of heterogeneous ontologies.
IT Consultant for Data Orchestration Platform and Semantic Knowledge Graph
Siemens Energy
- Coach for the Siemens Energy (SE) Data Orchestration Platform (DOP), ontology modeling with the SE Domain Ontology Editor (DOE) using metaphacts metaphactory.
- Automation of quality assurance, operations, and marketing for the SE Connect & Orchestrate Semantical Information (COSI) Platform.
- Technologies: AWS Neptune, GraphDB, metaphactory, Protégé, SPARQL, SHACL, OWL, RDF, integration of heterogeneous ontologies.
Semantic Web & Knowledge Graph Consultant
T-Systems, Catena-X
- Coach for the Catena-X/IDS/Gaia-X semantic layer and software stack, architecture and technology evaluation for the management board based on the Semantic Web stack and the International Data Spaces Association (IDSA).
- Semantic integration of primary data systems (product lifecycle management).
- Technologies: IDS, Windchill, SAP, ARAS, Protégé, GraphDB, OWL, RDF, RML, SPARQL, SHACL, Java/JavaScript, OpenAPI.
Contributor Metadata Models Working Group Knowledge Graph & AI Consultant (Media)
European Broadcasting Union (EBU)
- Coach for the EBUCorePlus model based on EBU Core and EBU Class Conceptual Model (CCDM), CDK, best practices, quality assurance, interfaces (APIs), development and delivery of SDKs and demos.
- Foundation ontology integration (e.g. SKOS, Dublin Core, BBC, FOAF), stakeholder marketing, value chains.
- Technologies: Protégé, Apache Jena/Fuseki, Ontotext GraphDB, SPARQL, OWL, RDF, RML, JS, Python, REST, OpenAPI, CCDM, EBUCorePlus, Keycloak, LLM/ChatGPT-based recommendations.
Solution Architect Knowledge Graph & AI
Southwest German Broadcasting (SWR)
- Architecture of a knowledge graph-based business object model, business logic, metadata, harmonization and distribution concepts, REST API and message bus integration for graph databases.
- Coaching in semantic technologies and automation, integration with ARD, ZDF and EBU ontologies.
- Technologies: Protégé, Apache Fuseki, Ontotext GraphDB (VAR), SPARQL, OWL, RDF, Java, Tomcat, Spring, Keycloak, OpenAPI, RabbitMQ, AMQP, REST, Gradle, Git, Eclipse, GraphQL, OpenAI, ChatGPT.
- Ontologies: Dublin Core, SKOS, CCDM, EBUCorePlus.
Solution Architect DZT Knowledge Graph
German National Tourist Board, Join GmbH
- Architecture of a semantic knowledge graph. Integration of tourism offers, migration, harmonization, thesauri, quality management, internationalization, cloud operation, scaling.
- UI, search profiles and result optimization, analytics, reporting.
- Technologies: AWS, Protégé, GraphDB, Node.js, RDF, OWL, LOD, SPARQL, SHACL, schema.org, Confluence, Amadeus, Join, Onlim.
IT Consultant Web Apps, Integration, Semantics
Able Management Services GmbH, Able Group, Ferchau, M-Plan
- Solution architect for an HR calculation tool migration project from Excel to a scalable, responsive web app, semantic graph database, SAP & Salesforce integration, KPIs & reporting.
- Deployment at one of Germany's largest staffing service providers for over 1,000 sales, 26,000+ project employees and 13,000+ clients.
- SW stack: Ontotext GraphDB, MongoDB, Node.js, Sails.js, ExtJS.
IT Consultant Semantic Business Intelligence
Siemens AG
- Design and implementation of a semantic knowledge graph to create KPIs and reports for the MindSphere (IoT, Smart Factory) management board based on Atlassian Jira and customer support systems.
- Integration, harmonization, quality assurance, visualization, APIs.
- Technologies: GraphDB, Apache Jena & MQ, Java, JavaScript, Node.js, MongoDB, MySQL, ExtJS, REST, Protégé, Tableau, TAC, Jira and Excel automation.
Lead Architect, Voice Bots for Medical Practices
Cognigy GmbH, MyForce.be
- Intelligent phone/voice/chat bot for automated natural language appointment scheduling and knowledge delivery for medical practices, clinics, and medical centers.
- Transcription, GDPR compliance, app integration.
- Technologies: GraphDB, Node.js, ExtJS, GDT, Cognigy, MyForce, Amazon, Google, Nuance, Spitch, Telegra, Vodafone, Telekom.
Solution Architect
diginetmedia
- Development of a smart presentation bot for travel agencies.
- Voice/chatbot for interactive presentation of tourism products like hotels and cruise ships with natural language dialogues using Amazon Alexa and Google Assistant.
- Software stack: Ontotext GraphDB, Node.js, Alexa, Google Assistant, Sencha ExtJS & Architect.
IT Consultant for Semantic Technologies
Siemens AG
- Coach for semantic harmonization of work models for the Siemens IoT operating system MindSphere.
- Architect of a tool-independent knowledge/graph database for storing, linking, querying, and comparing process and work models.
- Documentation, training, reporting, and automation, as well as improvement of requirements and change management.
- Technologies: Ontotext GraphDB, Apache Jena, Protégé, Node.js, ExtJS & Architect, REST, RDF, OWL, SPARQL.
Head of Business Development and Product Manager, Smart Tourism Solutions
Innotrade Turismo GmbH
- Online travel portal (OTA) and internet booking engine (IBE) solutions for the tourism industry.
- Smart chat bots and intelligent natural language human-machine dialog systems, AI-based search result optimization, interactive presentation systems.
- Business analysis and development, process automation and optimization, integrations, and quality assurance.
- Technologies: Java, Spring, JavaScript, Node.js, ExtJS/SA, Apache MQ, RabbitMQ, REST, OpenAPI, WS, RDF, OWL, SWRL, SPARQL, Protégé, Ontotext GraphDB, Apache Jena/Fuseki, MongoDB.
IT Consultant for Semantic Technologies
evosoft GmbH
- Knowledge graph architect for Application Lifecycle Management (ALM).
- Reduced complexity and maintenance effort by harmonizing cross-department ALM solutions and variants.
- Efficiency improvements, metrics, KPIs and reports, similarity analyses, terminologies, synonyms, platform-independent reference model.
- Semantic technologies for predictive impact and risk analysis, as well as custom training.
- Technologies: ALM, MS TFS, ENAPSO Dash, Protégé, JavaScript, Java, Spring, OWL-API, RDF, OWL2, SPARQL, Apache Jena/Fuseki, Ontotext GraphDB, Node.js, Excel automation, ExtJS.
Lecturer, IT Consultant, Executive IT Coach
University of Informatics Sciences (UCI)
- Mentor and trainer, specifying thesis topics for 20 graduates, coding standards and quality assurance processes.
- Supervisor for the entire software lifecycle and thesis implementations.
- Coach for publications, revising and evaluating final theses.
- Responsible for 20 computer science students.
- Technologies: Java, Spring, Maven, JMX, JMF, AMQ, Java ME, SOA, BPM, JavaScript, Rhino, Nashorn, ExtJS, C#, PhoneGap, jQuery, Tomcat, Jetty, GlassFish, WebSocket, Jasper Reports, Arduino, Android, iOS, NFC.
IT Coach and Lead Architect
NVIDIA GmbH
- Areas: Computer Aided Design (CAD), Enterprise Resource Planning (ERP), Product Data Management (PDM), and Product Lifecycle Management (PLM).
- Data warehousing and process automation, middleware, real-time communication and online collaboration, monitoring and remote control systems.
- Project volume over 20 million euros and managing 7 staff members.
- Technologies: Oracle, MongoDB, Node.js, Sails.JS, Ext JS 4-6, Java, Apache Active MQ (JWS), RabbitMQ (AMQP), PTC Windchill PLM/PDM, Cadence Allegro PCB, NetBeans, WebStorm.
IT Consultant and Software Developer
TRUMPF GmbH & Co. KG
- Support and migration of the ERP software TRUMPF TMSA to SAP.
- Modules: inventory/material management, cost accounting, human resources, time tracking and shop floor data collection.
- Reverse engineering of source code and data model, documentation of the Btrieve database, development of backup/recovery tools in Borland Delphi.
- Administrative/user documentation, remote support/maintenance, reporting, export interfaces and migration to a central SAP solution.
- Technologies: Borland Delphi, SAP.
IT Consultant and Software Developer
HEAD acoustics GmbH
- Responsible for designing and developing a remote control application for recording and playback devices based on Microsoft Pocket PC.
- Developed the „HEAD Wireless Terminal“, a Windows CE-based application for web pads to automate and monitor remote connections.
- Developed the „Launcher“, a Windows CE-based application to ensure automatic application and service restarts.
Lead Architect, Team Lead and Product Manager Smart Solutions
Innotrade GmbH
- Knowledge/requirements management and BI solutions, artificial intelligence, cloud and portal solutions, strategy and planning systems.
- Software engineering/development, data analytics, machine learning and process improvement.
- Author, trainer and speaker at international conferences.
- Products: ENAPSO, knowledge management and marketplace, digital assistant, digital companion; jWebSocket application and messaging server.
- Technologies: Java, JS, Node.js, Sencha ExtJS/Architect, Apache MQ, Rabbit MQ, REST, OpenAPI, WebSocket, MongoDB, RPA, AST, UML, BPMN, RDF, OWL, SWRL, SPARQL, GraphDB, Stardog, Apache Fuseki, Protégé, ANTLR, Tomcat, Jetty, KeyCloak, Spring framework, OpenAI, ChatGPT, Weaviate, OpenSearch, Hugging Face models, Llama, Gemini, Claude, Phi, Codestral.
Software Architect/Developer and Sales
Casio Europe GmbH, Kassen Peters GmbH
- Responsible for the design and development of integrated POS/ERP solutions, payment systems, and POS hardware for inventory/ordering systems.
- Personnel identification/payroll and customer interaction, time tracking, customer management and reporting, APIs.
- Products: innoCash Gastro, innoCash Retail, innoStore.
- Technologies: Borland Pascal, Delphi, Interbase, PHP, MySQL, JS, HTML, CSS.
Software Architect and Developer
Schlösser & Jasper Software GmbH
- Architecture and construction software.
- Responsible for the full planning, implementation, and maintenance of various projects from concept to market readiness, supporting sales, marketing, and training.
- 1998-2001 "BKI Cost Planner" (Building Cost Information Center of the German Chambers of Architects).
- 1998 "Interest & Amortization".
- 1996-1997 "BTK" (special program "Building Damage" for Württembergische Versicherung).
- 1995-1996 "BTK" (cost calculation with components).
Product Manager for Fiber Distributed Data Interface (FDDI) and SPARC Workstation Sales
Dressler Computer Technologie GmbH
- Responsible for market and competitor analysis, product positioning, customer acquisition, project cost estimation, support, training, presentations, trade shows, and exhibitions.
- Documentation, press releases, and advertising strategies for FDDI networking products, SPARC workstations, and the Dressler GIGAmachine (SPARC cluster).
Office Clerk Apprenticeship
Profi-Partner GmbH
- Focus on data processing (software development with Turbo Pascal), banking, stock exchange and logistics automation, network technologies, and telecommunications (Btx/ISDN).
Industrial Internship
Heinrich Annas
- Mechanical engineering and gear manufacturing.
Abitur diploma / university entrance qualification
Gymnasium Borghorst
Industry Experience
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Experienced in Information Technology, Professional Services, Education, Construction, Manufacturing, and Media and Entertainment.
Business Area Experience
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Experienced in Product Development, Information Technology, Research and Development, Business Intelligence, Project Management, and Quality Assurance.
Summary
Enabler for digitization initiatives: software architecture & development, technology consulting, design & implementation, with a focus on efficiency, quality, semantics & AI.
IT consultant and software architect with over 30 years of professional and leadership experience. Technical author and speaker at international conferences, leader of multicultural teams, product and project manager, Scrum Master (CSM) and trainer for IT specialists, mentor and IT coach, full-stack developer with various programming languages, databases, frameworks, security and middleware technologies, expertise in business intelligence, software engineering in industry and retail, broadcasting and tourism, enterprise resource planning (ERP), application lifecycle management (ALM), product data/lifecycle management (PDM/PLM).
For 10 years active in software engineering and semantic technologies, intelligent voice/chat bots, digitization and Industry 4.0, knowledge and requirements management, process modeling and improvement, multi-agent, strategy and planning systems, enterprise application integration (EAI) and quality assurance, as well as data analytics and cloud, knowledge graphs (Ontotext VAR) and AI-based assistance systems.
I offer competent consulting, collaborative design and reliable implementation for new digitization and software initiatives as well as for ongoing product, service and platform projects, with a focus on transparency, efficiency and quality. I am happy to bring my expertise in product and project management, as well as scalable development capacity and a comprehensive network of experts from various disciplines.
Skills
Technical Qualifications
- Programming: Javascript (Js/ts), Ecmascript, Java (Se/ee), Rhino, Nashorn, C, C++, C#, Pascal, Delphi, Allegro Skill (Cad), Lisp, Ids/gaia-x/catena-x, Python
- Artificial Intelligence & Knowledge Graphs: Semantic Web, Knowledge Graphs, Ontologies (Owl, Rdf/s, Owlapi, Rml), Openai, Gemini, Anthropic, Huggingface, Langchain, Embed.models, Graph-rag, Document Analysis, Prompt/context Engineering, Semantic Modelling (Protégé, Topbraid, Metaphactory, Ebucoreplus, Enapso), Sparql, Shacl, Json-ld, Knowledge Graphs (Ontotext Graphdb, Apache Fuseki, Stardog, Blazegraph, Aws Neptune), Cloud (Google Ai, Ibm Watson, Aws, Azure), Conversational Bots (Cognigy, Rasa, Alexa, Google)
- Web Development (Client): Html, Css, Javascript/es, Sencha Extjs, Architect, Themer, React, React Native, Jquery
- Web Development (Server): Node.js With Npm, Apache, Iis, Tomcat, Nginx
- Protocols & Web Technologies: Tcp, Ftp, Pop, Smtp, Http, Rest, Jsonp, Ajax, Xhr, Websocket, Soap, Jsp, Jsf, Rpc, Ipc, Cgi, Json, Xml, Dom
- Databases (Sql, Nosql, Graph, Vector): Mysql, Oracle (Sql, Pl/sql, Jdbc), Mongodb, Atlas, Ontotext Graphdb, Apache Fuseki, Stardog, Blazegraph, Aws Neptune, Weaviate, Pinecone, Opensearch, Mssql Server, Postgresql, Elasticsearch, Redis, Neo4j
- Project Management & Collaboration: Atlassian Jira, Confluence, Jql, Rest, Ms Teams, Redmine, Gotowebinar, Webex, Circuit, Gotomeeting, Zoom
- Integrated Development Environments: Oracle/apache Netbeans, Visual Studio, Visual Studio Code, Intellij Ide, Eclipse, Webstorm, Ms Tfs
- Version Control: Git, Github, Gitlab, Bitbucket, Subversion (Svn), Perforce (P4)
- Build Tools & Continuous Integration: Ant, Maven, Gradle, Jenkins, Bamboo
- Test Automation: Jasmine, Junit, Newman, Selenium, Imacros
- Operating Systems: Windows, Windows Server, Exchange, Macos, Android, Ios
- Office Applications: Ms Office (Incl. 365), Teams, Openoffice
- Virtualization & Cloud: Docker, Kubernetes, Virtualbox, Host Europe, Heroku, Digitalocean, Azure With Adfs, Aws With Eks, Ec2
- Computer Aided Design: Cadence Allegro (Pcb Layout)
- Erp/plm/pdm/alm/crm: Ptc Windchill/pdp, Sap, Atlassian, Salesforce, Hubspot
- Message Oriented Middleware (Mom): Confluent, Kafka, Nats, Activemq, Rabbitmq, Jms, Stomp, Amqp, Websockets
- Business Process Modeling (Bpm): Camunda, Bpmn.io, Activiti, Yaoqiang, Staruml, Visual Paradigm
- Code Parsing, Asts & Code Generation: Esprima, Acorn, Jsdom, Antlr
- High Performance Computing (Hpc): Khronos Opencl, Nvidia Cuda, Aparapi
- Security: Oauth, Ldap, Jwt, Active Directory, Auth0, Keycloak, Ssl, Openssl, Aes, Vpn, Encryption
- Logging & Monitoring: Log4j, Graylog, Watson
- Reporting & Analytics: Tableau, Jasper Reports
- Other Frameworks & Tools (Selection): Apache Commons, Spring (Ioc, Di, Boot, Security), Openapi, Swagger, Graphql, Camunda Modeler, Gojs, Threejs (Webgl, 2d/3d), Ace/ck/froala (Html Wysiwyg Editor), Rabbitmq, Apache Mq, Rpa, Uml, Bpmn
Keywords
- Knowledge Engineer, Solution Architect, Product Manager, Project Manager, Enabler, Networker, Author, Speaker, Coach, Scrum Master, Csm, Trainer, It Consultant, Innovation Catalyst
- Industry, Engineering, Retail, Tourism, Media/broadcasting, Mechanical Engineering, Architecture, Construction, Software Engineering, Digitization, Erp, Crm, Alm, Pdm, Plm, Qa, Eai, Bpm, Bpmn, Dmn, Ast
- Artificial Intelligence (Ai), Semantic Web, Ontologies, Knowledge Graphs, Ontotext, Protégé, Metaphactory, Enapso, Chat/voice Bots, Large Language Models (Llm), Openai, Chatgpt, Azure Ai, Aleph Alpha, Langchain, Weaviate, Pinecone, Opensearch
- Data Analytics, Data Science, Machine Learning (Ml), Business Analytics (Ba), Business Intelligence (Bi)
- Full-stack Development, Java, Javascript, Python, Html, Xml, Css, Amqp, Node.js, React, Sencha Extjs/architect, Gc, Aws, Git
- Sql, Nosql, Vector And Graph Databases, Linked Data (Lod), Ccdm, Ebucoreplus, Rdf, Rdfs, Owl, Sparql, Shacl, Swrl, Rml
Languages
Education
Profi-Partner GmbH
Vocational training as an office clerk, Aachen Commercial School · Aachen, Germany
Gymnasium Borghorst
High school diploma (Abitur) · Steinfurt, Germany
Certifications & licenses
Goal-oriented team leadership
VHS Aachen
Certified Scrum Master (CSM)
Scrum Alliance
Trainer certification according to AEVO
Aachen Chamber of Industry and Commerce
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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