JSON Expert in Nuremberg

Embedded Analytics & AI-assisted BI

Design and development of an integrated analytics solution based on ASP.NET Core, Power BI Embedded, and LLM services to provide context-based business information.

Development of an AI agent with Function/Tool Calling for the secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.

Building automated BI workflows including workspace management, deployment processes, and scheduled refresh via the Power BI REST API.

Implementation of secure service-to-service communication with Microsoft Entra ID and Service Principal, and integration into existing enterprise system landscapes.

Technologies: ASP.NET Core, C#/.NET, Power BI Embedded, Power BI REST API, LLM API, AI Agents, Function/Tool Calling, Entra ID

• 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

• Development of strategies, processes and system requirements to further develop the lead and campaign streams of a Salesforce system for the subsystems Sales Cloud, Marketing Cloud and Analytics Cloud
• Gathering and creation of marketing strategy concepts for direct sales, focusing on lead generation for new and existing customers
• Analysis and optimization of existing and new contact points
• Derivation of system requirements and user tests for new developments
• Establishment of a requirements and implementation process for business needs at the interface between CRM strategy and marketing system operations
• Facilitation of ideation workshops with the project's stakeholders
• Mediation between business and technical project stakeholders
• Analysis and post-documentation of existing marketing strategies and the system functions already created for them
• Analysis of target groups and pre-system data quality as a foundation for new CRM strategies
• Consultation on content and asset strategy for marketing campaigns
• Definition of KPIs and other performance criteria for the system and CRM strategy

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

• Extension of test software for functional testing of IO modules in WPF with MVVM
• Configuration and extension of a specialized WPF control from Nevron
• Connection to Siemens PLCs via Siemens OPC UA Client and Allen-Bradley/Rockwell PLCs via Codebix OPC UA Client
• Integration of various data sources via REST API and JSON
• Development of stored procedures, views, and triggers for PostgreSQL and SQL Server with ADO.NET and Entity Framework 6

• Gathered tire images and their feature descriptions.
• Cleaned dataset of image metadata using pandas.
• Stored image feature embeddings in Chroma vector db.
• Used image augmentations to increase dataset size.
• Used sklearn to create shuffled datasets and imbalanced-learn to balance class sizes in dataset.
• Used PyTorch to train and test different neural networks.
• Validated model using custom accuracy metric based on similarity search in ChromaDB.
• Visualized accuracy predictions using matplotlib.
• Plugged trained model into DreamBooth to train stable diffusion model and generate new images of tires.
• Created custom Docker image in Amazon Elastic Container Registry for machine learning script.

• Web application for contract changes

• Micro frontend development from scratch through production with a Reactive Forms basis, Responsive Web Design, validation, multilingual support, accessibility, unit tests and component tests

• Technologies: Angular 19-20, Nx, Angular CLI, Native Federation, TypeScript, HTML, SASS, Tailwind CSS, Angular Material, Reactive Forms, RxJS, Signals, PDF-Make, ng-openapi-gen, i18n, JSON Server, REST, JWT, Jest, Playwright, IntelliJ, Git, CI/CD with GitLab, Cloud Foundry, Nginx; Scrum

• 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

• Built features using Jetpack Compose
• Improved location-based features with in-memory caching
• Developed Merchant-to-Merchant chat functionality from scratch
• Integrated FCM with deep links to enable contextual push notifications
• Performance tuning for Google Maps view using clustering for better performance in dense areas

• 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.