CSS Experts in Nuremberg

• Spearheaded the integration of a custom Transformer-based encoder into the AFFGANwriting pipeline, replacing the legacy VGG19 architecture to capture richer, high-fidelity writer-style representations.
• Boosted user-study pick-rates by 40%, demonstrating a significant leap in the perceptual quality and realism of the generated handwriting compared to the baseline model.
• Enhanced OCR performance by 20% by implementing a teacher-student framework that leveraged a TrOCR benchmark model for auxiliary training alignment

• Independently managed the POS tender for in-store catering.
• Structured requirements gathering (functional and technical).
• Created a management-ready specification to guide decisions for leadership and IT.
• Market overview of relevant POS providers.
• Close coordination with Galeria's IT and business departments.

• Designing and developing responsive, accessible web applications for SMEs and private clients with React.js, Tailwind CSS, JavaScript, and HTML5.
• Building reusable UI component libraries to improve maintainability and reduce development time.
• Integrating REST APIs and implementing dynamic features (landing pages, portfolios, dashboards) based on Figma/Adobe XD designs.
• Independently managing the full project cycle (analysis, development, testing, deployment on Netlify/Vercel) while following mobile-first and cross-browser standards.

• 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.

• Collected, analysed, and interpreted HR data from multiple systems
• Conducted ad-hoc people data analyses for stakeholders
• Supported Employee Listening and ensured actionable survey insights
• Built intuitive dashboards and visualizations in SuccessFactors, PowerBI, and Qualtrics
• Produced regular reports and dashboards on key HR metrics
• Contributed to people analytics projects as a junior team member
• Collaborated with HR Tech and Data teams to improve data quality
• Ensured ethical and governed data use with Legal, Data Privacy, Labour Relations and Works Council

• Thorough process analysis to identify weaknesses and assess optimization potential

• Precise modeling of business processes using BPMN 2.0

• Creation of detailed requirements and functional specifications to document use cases

• Comprehensive gathering of existing company processes

• In-depth process analyses to uncover potentials

• Moderation and facilitation of workshops with subject matter experts and executives

• Taking on project management for selecting and implementing a new ETRM system environment

• 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

• Technology update
• Microsoft Azure certification

• 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

• 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.

• Developed a RAG system to automate student queries with 96% accuracy, built using FastAPI and LangChain and deployed on the university server with Docker.
• Evaluated performance using RAGAS, comparing LLMs (Llama3.3, Llama3.1, GPT-4o-mini), vector embeddings, and various retrieval techniques within the RAG pipeline.
• Technical Skills: Python, FastAPI, Docker, AWS, LangChain, LangSmith, NLP, HTML, CSS

• Realized trade fair appearances of Rittal at SPS23, Hannover Messe 24 and SPS24 as main project manager for Phocus Brand Contact and consulted on digital exhibits and solutions.

• Served as external consultant for Clicksolutions on their 3D portfolio, supporting technical feasibility and solution finding, and aligning 3D web technology for the future.