Alexander Schulze-AI Consultant for AI Voice Bot Systems
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Experience
AI Consultant for AI Voice Bot System
Rudolf Hörmann GmbH & Co.KG
- Consultant 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 and 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 graphic and mapping visualization and exploration.
- Enterprise and cloud architecture, quality assurance, governance and vendor-neutral operations.
- Technologies: Protégé, GraphDB, OWL, RDF/S, SPARQL, SHACL, RML/YARRRML, KeyCloak, OpenAI/AzureAI, 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, AzureAI, 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 assistant platform for demand/supply matching.
- AI-assisted interpretation and knowledge enrichment, fine-tuning, crawling and analysis, classification, semantification 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, an SDIL/DFKI funded and award-winning AI project.
Knowledge Graph & Chatbot Consultant Digital Assistants
Telekom AG
- Trainer and coach for knowledge graph technologies used in the digital assistant "Frag Magenta", conversational AI, system integration, 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 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 assistant 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 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 & Software Stack, architecture and technology evaluation for the management board based on the Semantic Web Stack and the International Dataspace 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 from EBU Core and the EBU Class Conceptual Model (CCDM), CDK, best practices, quality assurance, interfaces (APIs), development and delivery of SDKs and demos.
- Foundation ontology integration (including 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
Südwestdeutscher Rundfunk (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 for 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
Deutsche Zentrale für Tourismus, Join GmbH
- Architect of semantic knowledge graph. Integration of tourism offers, migration, harmonization, thesauri, quality management, internationalization, cloud operations, 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 migration project of HR calculation tool from Excel to a scalable, responsive web app, semantic graph database, SAP & Salesforce integration, KPIs & reporting.
- Used at one of the largest German staffing service providers for over 1,000 sales staff, 26,000+ project employees and 13,000+ customers.
- Software stack: Ontotext GraphDB, MongoDB, Node.js, Sails.js, ExtJS.
IT Consultant Semantic Business Intelligence
Siemens AG
- Design and implementation of a semantic knowledge graph for creating 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 booking and knowledge sharing for medical practices, clinics, and medical care 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 the interactive presentation of tourism products such as hotels and cruise ships with natural-language dialogs using Amazon Alexa and Google Assistant.
- Software stack: Ontotext GraphDB, Node.js, Alexa, Google Assistant, Sencha ExtJS & Architect.
IT Consultant Semantic Technologies
Siemens AG
- Coach for the semantic harmonization of work models for 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 improving requirements and change management.
- Technologies: Ontotext GraphDB, Apache Jena, Protégé, Node.js, ExtJS and 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 chatbots 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 Semantic Technologies
evosoft GmbH
- Knowledge graph architect for Application Lifecycle Management (ALM).
- Reducing complexity and maintenance effort by harmonizing ALM solutions and variants across business units.
- Efficiency improvements, metrics, KPIs and reports, similarity analysis, terminologies, synonyms, platform-independent reference model.
- Semantic technologies for predictive impact and risk analysis as well as customer-specific 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, specification of thesis topics for 20 graduates, coding standards and quality assurance processes.
- Supervisor for the entire software lifecycle and the thesis implementations.
- Coach for publications, review and evaluation of final theses.
- Responsibility 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 of over 20 million euros and people responsibility for 7 employees.
- 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: goods/material management, cost accounting, human resources, time tracking and shop floor data collection.
- Source code and data model reverse engineering, documentation of the Btrieve database, creation of backup/recovery tools in Borland Delphi.
- Administration/user documentation, remote support/maintenance, reporting, export interfaces and migration to the central SAP solution.
- Technologies: Borland Delphi, SAP.
IT Consultant and Software Developer
HEAD acoustics GmbH
- Responsible for the design and development of a remote control application for recording and playback devices based on Microsoft Pocket PC.
- Development for the "HEAD Wireless Terminal", a Windows CE-based application for web pads to automate and monitor remote connections.
- Development of 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, HuggingFace 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, POS hardware for inventory/order systems.
- Employee 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-Kostenplaner" (Baukosteninformationszentrum Deutscher Architektenkammern).
- 1998 "Zinsen & Tilgung".
- 1996-1997 "BTK" (special program "building damage" for Württembergische Versicherung).
- 1995-1996 "BTK" (cost calculation with building components).
Product Manager Fiber Distributed Data Interface (FDDI) and Sales SPARC Workstations
Dressler Computer Technologie GmbH
- Responsible for market and competitor analysis, product placement, customer acquisition, project costing, support, training, presentations, trade fairs and exhibitions.
- Documentation, press releases and ad strategies for the areas of FDDI network products, SPARC workstations and the Dressler GIGAmachine (SPARC cluster).
Apprenticeship as an Office Clerk
Profi-Partner GmbH
- Focus on data processing (software development with Turbo Pascal), banking, stock market and logistics automation, network technologies and telecommunications (Btx/ISDN).
Industrial Internship
Heinrich Annas
- Mechanical engineering and gear manufacturing.
High School Diploma/University Entrance Qualification
Gymnasium Borghorst
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Education, Construction, Media and Entertainment, and Manufacturing.
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 & accelerator for AI and digitalization initiatives: software architecture & development, technology consulting, concept & implementation, with a focus on efficiency & quality.
As an IT consultant, software architect and AI & knowledge engineer with more than 30 years of professional and leadership experience, and as a technologist with passion, I combine software engineering, semantics, knowledge graphs and artificial intelligence with practical digitalization, quality assurance and sustainable product development. For more than 10 years I have been working intensively with semantic technologies, knowledge graphs, large language models (LLMs), intelligent assistant systems and voice/chat bots. My focus is on explainable, scalable and usable AI solutions for industry, media, broadcasting, tourism and enterprise platforms. I do not focus only on technical features, but on the real value for users and customers. I support projects across the full lifecycle: listening, understanding, conceptualizing, strategic planning, agile implementation, testing, operations, support and continuous improvement. In doing so, I bring experience as a solution architect, product and project manager, Scrum Master (CSM), trainer, mentor and coach, as well as a full-stack developer with a broad technology stack. I am convinced that the success of complex AI and software projects depends more on communication, trust, willingness to learn and shared goals than on knowledge and technology alone. Teamwork, respect for the skills of others and knowledge transfer are essential to me - because successful digitalization only happens together. I prefer quality over quantity, long-term customer loyalty over short-term product placement, and responsibility over uncontrolled vibe coding. What matters to me is a shared mission: everyone pulls in the same direction - and in the same one.
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, Mac Os, Android, Ios
- Office Applications: Ms Office (Including 365), Teams, Openoffice
- Virtualization & Cloud: Docker, Kubernetes, Virtual Box, Host Europe, Heroku, Digital Ocean, 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 Modelling (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 (Excerpt): 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, Trade, Tourism, Media/Broadcasting, Mechanical Engineering, Architecture, Construction, Software Engineering, Digitalization, 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
Training as office management clerk, commercial school Aachen · Aachen, Germany
Gymnasium Borghorst
Abitur / university entrance qualification · Steinfurt, Germany
Certifications & licenses
Goal-Oriented Team Leadership
VHS Aachen
Scrum Alliance
Industrie- und Handelskammer Aachen
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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