17.10.2026 aktualisiert


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Senior AI & Full-Stack Engineer | RAG · MCP · OpenAI Codex · Python/FastAPI · PHP/Symfony
Wien, Österreich
Nur Remote
HTBLVA Spengergasse - Informationstechnologie & ProjektmanagementÜber mich
Senior AI & full-stack engineer specialising in LLM integration, RAG, MCP and grounded AI applications. I use OpenAI Codex for agentic development and build with Python/FastAPI, PHP/Symfony and React. Experienced in enterprise integration, ITIL/ITSM and digital product delivery.
Skills
LLMOpenAIJavaScriptPHPAPIsAtlassian ConfluenceAtlassian JiraLinuxDevOpsGeodatenbankenGeodäsieGis-AnwendungenSEOUi-DesignITIL
AI Engineering, LLMs & Agentic Development
Design and integration of AI-powered applications using the OpenAI API, RAG, LLM grounding, embeddings, vector/semantic search and MCP. Development of LLM workflows, tool calling and automation. Extensive use of OpenAI Codex (CLI) for agentic coding, code analysis, feature implementation, refactoring and maintenance of complex codebases.
Full-Stack Development & Cloud
Development of web applications, APIs and data pipelines using Python/FastAPI, PHP/Symfony, React/Next.js and REST/GraphQL. Experience with SQL/NoSQL databases, headless WordPress/WooCommerce, AWS/GCP, Docker, Linux, Git and CI/CD.
IT Service Management & Enterprise Integration
ITIL-based ITSM experience in the City of Vienna's IT environment: application services, IT operations (RUN), incident, problem and change management, service requests, SLAs and stakeholder coordination. Tools include BMC Helix/Remedy, Digital Workplace, Jira and Confluence. Experience with SAP NetWeaver XI and enterprise application integration (EAI).
Digital Products & Technical Project Management
End-to-end architecture, development and operation of digital products; GIS/mapping, AI content automation, AI-SEO/GEO, agile delivery and technical project management.
KEY SKILLS
AI & LLMs: OpenAI API, Generative AI, RAG, LLM Grounding, Embeddings, Vector Search, Semantic Search, Prompt Engineering, MCP, Tool Calling, AI Agents, AI Workflows, AI-SEO/GEO
Agentic Development: OpenAI Codex, Codex CLI, Agentic Coding, AI-Assisted Software Engineering
Backend & Integration: Python, FastAPI, PHP, Symfony, REST, GraphQL, Microservices, Data Pipelines, SAP NetWeaver, SAP XI, EAI
Frontend & CMS: JavaScript, React, Next.js, WordPress, WooCommerce, Headless CMS
Databases & Search: PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Elasticsearch
Cloud & DevOps: AWS, GCP, Docker, Apache, Linux, Git, CI/CD
ITSM & Delivery: ITIL, ITSM, Application Service Management, Incident/Problem/Change Management, Service Requests, SLA Management, IT Operations (RUN), Agile, Scrum, Jira, Confluence
GIS & Digital: Mapbox GL, MapToolbox, GIS, Interactive Mapping, 3D Visualisation, Digital Product Development, Technical SEO/GEO
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2016
Sprachen
DeutschMutterspracheEnglischverhandlungssicher
Projekthistorie
Aufbau eines KI-gestuetzten SaaS-Produkts fuer digitale City Guides mit Fokus auf API-Integration, Content-Automatisierung und skalierbarer Backend-Architektur. Intensiver Einsatz der OpenAI API fuer Content-Generierung, semantische Anreicherung und AI-gestuetzte SEO- & Content-Optimierung. Entwicklung und Betrieb datengetriebener Content-Systeme, Automatisierungen & Analytics sowie technische Konzeption von AI-Workflows, Microservices und Daten-Pipelines.
Kreative Leitung und strategische Entwicklung digitaler Kampagnen mit Fokus auf interaktive Medien, Social Media und Plattformen. Kunden: Sony Music DACH, Sony Electronics DE, Nestle AT, Colgate AT, Lidl AT.
Konzeption und Umsetzung digitaler Plattformen und Kampagnen. Entwicklung viraler Video- und Social-Media-Kampagnen, Mitentwicklung von UNLIKE City Guides sowie Mitautor des Fachbuchs Soziale Bewegungen und Social Media. Kunden: Knallgrau, BMW Group, Reporters sans frontieres.