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• Engineered and maintained backend systems and APIs for scalable AI-powered applications, integrating LLM-based functionality and MCP integrations for marketing tools into production environments with a focus on reliability, performance, and maintainability.
• Built and deployed LLM-driven workflows, retrieval-enhanced application features, and n8n-based automations, enabling intelligent automation and AI-assisted functionality across backend systems.
• Developed an automated AI content publishing pipeline using n8n, LLM-based content generation, AI image generation, HTML processing, WordPress API integration, and Supabase/Postgres for end-to-end workflow execution.
• Optimized AI workflows and n8n automations by replacing manual steps with webhook-based and API-driven processes, improving scalability, consistency, speed, and production readiness.
• Partnered with cross-functional teams to troubleshoot issues, improve existing software, and deliver new AI-enabled product features in a fast-paced startup environment, while leveraging ChatGPT and Claude to accelerate prototyping, testing, and debugging.

• Designed and implemented the complete data flow architecture for the Mercedes-AMG battery case production line, from raw material processing to end-customer traceability.

• Developed MQTT-based communication protocols for Siemens S7 PLC controllers to enable efficient real-time data exchange between machines and supervisory systems.

• Architected a local Ubuntu-based industrial server, integrating Node-RED for data collection, MySQL databases running in Docker containers, and automated data pipelines.

• Commissioned connectivity of 52 Siemens PLCs and 32 Yaskawa welding and handling robots.

• Designed and implemented HMI and visualization systems to support operator interaction and production monitoring.

• Designed a 2D digital twin of the production floor, visualizing real-time process data from 26 Siemens PLCs and 18 Yaskawa welding robots via Stromquelle interfaces.

• Implemented data collection and camera-based measurement systems for welding quality control and automated defect visualization.

• Designed and optimized MySQL database structures, including stored procedures for data processing and performance analytics.

• Built a custom AI chatbot for an e-commerce client using GPT-4 and LangChain with RAG, reducing customer support ticket volume by 45% and improving response accuracy to 92%.
• Designed and deployed an intelligent document processing system using LlamaIndex, Pinecone, and FastAPI for a FinTech startup, enabling semantic search across 100K+ financial documents.
• Developed multi-agent AI workflows using CrewAI and LangGraph for a marketing agency, automating lead research, content generation, and outreach — saving 20+ hours/week of manual work.
• Created AI-powered automation pipelines using n8n, Make, and Zapier integrated with CRMs (GoHighLevel, HubSpot), reducing manual data entry by 80% for a real estate firm.
• Delivered prompt engineering and LLM fine-tuning consulting for multiple clients, optimizing AI model outputs for customer support, content creation, and data extraction use cases.
• Built production-ready REST APIs with Python and FastAPI to serve AI models on AWS and GCP, handling 10K+ daily requests with 99.9% uptime.

• Industry: software manufacturer
• Tasks: project management; tracking and coordination of projects; stakeholder management; change management; prioritization of requirements; alignment of architecture; supplier management (internal and external); release management; monitoring defect resolution with the teams; AI-supported software development, software testing and code analysis; AI prompting, prompt engineering
• Software: Jira, Confluence, MS Project, MS Teams
• Environment: IT, software development, agile, artificial intelligence (AI)

• Introduced Agile-CCPM in an IT project agency focused on PHP-based content management systems.
• Prepared and conducted workshops to establish an agency-wide multiproject management system.
• Coordinated and supported agency partners.
• Coached the methodological framework.
• Collected, analyzed, and used organizational metrics to plan the next steps.
• Environment: OKR, CCPM, agile coaching, agile planning, agile metrics, workshopping, facilitation, change management, JIRA, Zoom, Slack, Miro.

• Supported a telematics component in the automotive sector with SELinux and open-source license management.
• Products: SELinux, iMX8, ScanCode.
• Skills: Linux, firmware development, Python.

Industrial Communication | Proof of Concept: Controller-to-Controller Communication with OPC UA FX

Proof of Concept for OPC UA FX-based controller-to-controller communication between virtual programmable logic controllers (vPLC) on an industrial edge platform. A virtual test environment was set up on Debian Linux in two phases (including VMs and vPLCs), shared-memory communication (real-time information bus) was activated, and the RIB solution was integrated into a customized product firmware (including shared memory and PROFINET support) and deployed in containerized environments (Docker). Additionally, a virtual Ethernet connection was developed to simulate the network topology. Finally, commissioning, functional tests, sample application creation, comprehensive documentation, and customer support were completed.

• Intent-driven approach to configure all models across all series automotive in all distribution markets of this car manufacturer
• Developed a customer-facing, conversation-driven integration layer to achieve 100% hallucination-free technical configurations
• Utilized Microsoft Azure AI Services: AI Foundry, Agent Service, AI Search; Prompt Shield Services; Content Security; Terraform; API Gateway; AI Gateway; Container Services; Azure Agent SDK; Agent Skills; RAG; MCP Servers and tools

• Created database schemas and liaised with geographically distributed teams using waterfall methodology
• Participated in business workshops and authored technical specification documents aligned with architectural requirements
• Developed high-quality code deliverables and reports using repository tools

• Software development
• Technical design of software architecture and design (considering functional and non-functional requirements)
• Frontend and Backend
• Refactorings
• Code reviews
• Unit tests
• Automated integration tests
• E2E tests

Global Identity Services (GIS) is the identity provider for the Digital Services Platform (DSP). GIS is responsible for authenticating and authorizing end users and other DSP services by issuing security tokens. This includes:

• Identity management (e.g., user registration, password reset and change, user profiles)
• Management of roles and permissions
• Single Sign-On (SSO) across DSP services
• Management of OAuth resources and terms and conditions

• Engineered high-performance APIs with FastAPI + MongoDB, integrating live weather data (NOAA, NWS).
• Developed an AI chatbot with OpenAI APIs — context-aware by location, profession & interests.
• Created admin dashboard APIs for real-time monitoring and zero-downtime configuration.
• Integrated Stripe Embedded Payments with secure transactions & subscription management via webhooks.

• Technical lead and development of an Ionic Angular app for iOS and Android
• Further development of a time tracking system with Angular and .NET
• Development of enterprise software with focus on TDD, Angular, .NET and Entity Framework

• Tribe Home, Product Area 4 - Customer in Life, Squad Cybertron.
• Analysis, design, development, and testing of new requirements for Optimmo, mortgage financing software.
• Analysis, design, development, and testing of the JEE application MWS kredit-baufi.
• Analysis, design, development, and testing of the Wicket Optimmo application.
• Analysis, design, development, and testing of kredit-baufi batch programs.
• Migration of kredit-baufi batches to RHEL9.
• CiL SCS consumer pacts with Finagle.
• CiL SCS touch point architecture integration.
• Team size: 10.
• Tools / Frameworks: OpenJDK Java 17, Kotlin 1.6.0, Azure, Jenkins, Stash, JEE, GitLab, JIRA, Confluence, git, Spring 6.0, Spring Cloud, Spring Data, Hibernate, JPA, JMS, Kafka, Oracle, PL/SQL, Red Hat Enterprise Linux (RHEL), Maven, REST, JBoss, IntelliJ IDEA, Wicket 9 and 10, Istio.

Work on different projects, mostly in the third-party client market:

• Building deploy and release Jenkins pipelines and developing an application with Spring Boot and Angular
• Ruby on Rails web application for a medical product
• VR biofeedback app with Unity and Flutter
• NestJS backend of a startup

Deepened my knowledge in test-driven development and the SCRUM methodology