Consent Management Platform Experts in Germany

Project for a leading German email and cloud service provider: As Senior Frontend Developer and Technical Web Architect, I developed an international, multi-tenant white-label consent management layer for several brands.

Main tasks:

• Architecture and implementation with Vue 3, TypeScript, and Vite
• Development of automated tests with Vitest and Playwright
• Creation of brand-specific CMP configurations, CSS themes, i18n structures, and vendor settings
• Implementation of the playout and initialization logic as well as backend integration
• technical decision support, project and code documentation

Impact: Replacement of external CMP solutions with a reusable and long-term maintainable in-house base for several international brands and rollouts.

Technologies: Vue 3, TypeScript, Vite, Vitest, Playwright, IAB TCF, Google Additional Consent, i18n, Git, CI/CD.

• Analysis of the existing reporting platform including processes and governance topics with stakeholders from sales and marketing.

• Detailed analysis and evaluation of client-defined requirements for existing reporting and new dashboards.

• Supporting stakeholders in managing sales processes and early detection of KPI trends.

• Use of Microsoft Power BI as central analysis and reporting platform.

• Developing a proposal for the necessary evolution of processes and the Power BI platform.

• Gathering current business processes and defining company-wide KPIs in coordination with stakeholders.

• Analysis and inventory of the client's Power BI platform.

• Analysis of processes and data governance.

• Recording and documenting current business processes.

• Developing recommendations for process and reporting platform improvements.

• Designing and implementing dashboards in Power BI.

• Defining company-wide KPIs and aligning them with stakeholders.

• Microsoft Power BI.

• Data analytics.

• KPI definition and reporting.

• Dashboard design and data visualization.

• Stakeholder management and requirements management.

Re-platforming an e-commerce shop to a microservice architecture

• Goal: Replace an outdated Shopware system with a scalable, future-proof solution based on microservices and a headless architecture.
• Led a full architecture consulting process and defined the microservice boundaries based on a headless architecture with commercetools as PIM/OMS and Next.js as the frontend solution.
• Developed and integrated several decentralized services (e.g. internationalization, personalization).
• Took over the configuration of central third-party systems such as Contentstack and Algolia.
• Built a stable cloud infrastructure on Google Cloud with monitoring via Grafana.

Technologies: commercetools, Next.js, Contentstack, Algolia, Google Cloud, Grafana, TypeScript, Shopware

Development of an international e-commerce platform

• Goal: Build a high-performance, user-friendly and international e-commerce platform.
• Defined a scalable, high-performance and maintainable software architecture that served as the foundation for the platform's international expansion.
• Selected a best-of-breed technology stack that enabled the development of an industry-leading shop and reduced development effort for new features by 30%.
• Ensured seamless integration of critical third-party systems (PIM, CRM, ERP) to guarantee end-to-end business processes and a consistent data foundation.
• Implemented comprehensive tracking and analytics tools for continuous performance monitoring and optimization of the customer journey.

Technologies: React.js, Next.js, commerceTools, Algolia, Salesforce, Heroku, CI/CD, PHP, Google Analytics

AI-powered personalization and customer data platform in e-commerce

• Goal: Replace static content with a dynamic, AI-based personalization strategy to increase user relevance and automate marketing processes.
• Designed and built a customer data platform to aggregate and combine customer and analytics data from distributed sources.
• Implemented automated categorization of customer profiles as the basis for delivering personalized content and product recommendations in the Shopware frontend.
• Developed a semantic similarity algorithm based on Python and OpenAI to calculate product and content similarity from user profiles.
• Built the technical connection to retail media platforms to control external ad placements along the customer journey.

Technologies: Shopware 6, Python 3, OpenAI, Elasticsearch, PHP, Symfony, Twig

Shopware tracking & consent architecture (GDPR) for 4 online shops

• Goal: Build a unified, GDPR-compliant tracking infrastructure across multiple shops with central consent management across several Shopware instances.
• Defined a comprehensive tracking guide and developed a modular architecture compatible across multiple Shopware versions.
• GDPR-compliant integration of Usercentrics and Adobe Launch through a central tag manager.
• Full tracking setup (page, order, product, user) incl. partner-specific tracking (Emarsys, Channelpilot, etc.).
• Detailed event and error tracking to proactively identify technical drop-offs.

Technologies: Shopware, Adobe Analytics, Usercentrics, Tag Manager, PHP, MySQL, GDPR

AI/LLM search engine with RAG and hybrid search (Python, Elasticsearch)

• Goal: Build an AI-powered search engine with RAG architecture and hybrid search to accurately match service providers from over 500,000 company records.
• Developed an automated data pipeline (web scraping + LLM) that continuously crawls company data and converts it into structured formats using LLMs.
• Implemented a RAG workflow incl. vectorization for semantic search to increase search accuracy and relevance.
• Configured and fine-tuned Elasticsearch for hybrid search (vector + keyword search).
• End-to-end development of backend API, frontend and deployment on live servers.

Technologies: Python, FastAPI, Elasticsearch, LLM, RAG, React, Docker, Web Scraping

AI/computer vision system (Python, ML) – object detection under difficult conditions

• Goal: Develop an AI-powered recognition system with reliable performance even in rain, fog, snow and darkness.
• Built and annotated a large training dataset incl. difficult conditions.
• Trained a YOLO-based object detection model; carried out systematic error analysis and improved data quality and preprocessing.
• Coordinated with stakeholders through regular status updates.

Technologies: Python, Machine Learning, TensorFlow, PyTorch, YOLO, OpenCV

• Launched and leading a new venture in consulting & digital transformation.
• Supporting clients in transforming their organisations, scaling growth strategies, building digital operating models, and creating future proof organisations.

• Responsible for implementing and launching a group-wide transformation program in partner management using Salesforce as the central infrastructure.

• Defined business requirements for partner management, focusing on roles and permissions, and developed a comprehensive roles and permissions concept.

• Organized and facilitated agile workshops (feature blueprinting) with stakeholders, business analysts, and architects to capture and align requirements.

• Planned, coordinated, and approved all relevant requirements for the successful rollout of partner management within the Salesforce platform.

• Prioritized epics, features, user stories, and acceptance criteria to ensure alignment with the strategic objectives of the transformation program.

• Ensured the acceptance of all necessary tests within the Salesforce infrastructure before product release.

• Collaborated extensively with international vendors and partners in agile software development, applying Scrum and Kanban principles for continuous improvement.

• Strategic rebuild and initial integration of the B2B CRM as the basis for a scalable and sustainably automated lead management process
• Building and optimizing CRM processes and CRM campaign management לאורך the entire customer lifecycle
• Developing, planning, and implementing lead generation strategies for trade fairs, roadshows, partner sites, and other relevant B2B touchpoints
• Designing and modeling differentiated customer journeys and workflows for different target groups, touchpoints, and phases of the customer lifecycle
• Designing first-touch and branding flows to systematically move new contacts into automated CRM journeys
• Building lead nurturing processes for automated qualification, activation, and further development of leads until they are ready for sales
• Designing and implementing marketing automations to reduce manual processes and scale the delivery of relevant content
• Developing and optimizing automated lifecycle campaigns based on user behavior, interactions, interests, and lead status
• Campaign management for email marketing and B2B communication, including editorial newsletters, trigger and automation emails, as well as ad hoc campaigns
• Responsibility for newsletter sign-ups as well as optimization of the underlying processes and consent journeys
• Consent management and optimization of opt-in processes as the basis for compliant and scalable CRM communication
• Planning and implementation of ad hoc campaigns including A/B testing as well as continuous optimization of content, sending logic, and conversion
• Analysis and evaluation of CRM performance and derivation of specific measures to increase engagement, lead quality, and conversion
• CRM strategy consulting and workflow modeling with a focus on automation, scalability, and a consistent customer experience
• Technical setup and structuring of data instances as well as coordination and support of data migrations
• Optimization of data and system processes as the basis for automated and target-group-specific CRM communication
• Internal and external stakeholder management as well as coordination of interfaces and external agencies
• Technical project management from strategic concept development through implementation to analysis and continuous optimization

I help marketing teams and leaders get from data to decision - understanding their business model, defining what to measure, and building the tracking and reporting infrastructure to make it happen.

• Built and optimized analytics setups for 60+ clients across D2C, E-Commerce, SaaS, LeadGen and Subscription businesses in my career - from early-stage startups to enterprises
• Core focus: GA4 & GTM tracking architecture (incl. server-side), consent-compliant measurement, marketing dashboards (Power BI) and attribution
• Trusted long-term partner: most client relationships extend well beyond the initial project into ongoing strategic and operational support (NPS > 9.4)
• Regularly act as analytical sparring partner for marketing leads and C-level stakeholders, bridging the gap between data, tech and business strategy

• Led IT project for building an in-house loyalty program for REWE and PENNY as a multi-tenant system to leverage IT synergies
• Executed full REWE Group implementation on cloud services
• Integrated loyalty functions into REWE and PENNY apps
• Oversaw expansion of PAYBACK and migration of customers to the new program

• Planning, steering, and monitoring the Corporate Responsibility Tech Enablement project for IT
• Concept and implementation of the EUDR (EU Deforestation Regulation)
• Concept and implementation of the Eco-Design Regulation
• Continued support of projects within the Corporate Responsibility strategy
• Definition and review of guidelines (e.g. governance, success metrics) and, if needed, analysis of issues and their solutions
• Overall project management, marketing, communication, and quality assurance for the projects
• Creation of the project plan including timeline/roadmap, budget, and resources
• Ensuring compliance with budget and deadlines
• Defining guidelines for project control, methods, and priorities
• Planning and tracking resources and effort, also together with other IT teams
• Evaluation of projects and preparation of results (reporting to management)
• Identification and reduction of risks
• Regular communication with stakeholders
• Steering internal and external stakeholders and service providers (Jira, Confluence, backlog management, task tracking, SharePoint, MS 365 platform etc.)
• Development of standards and process automation

Label: Azure Cloud, Jira, Confluence, Power BI, SAP BW, AWS, Miro, Bee360, Draw.io, SharePoint, MS 365 platform, Trello etc.

• Strategic consulting on marketing funds (WKZ) and retail media, focusing on monetization opportunities and data-driven business models
• Conducting a portfolio analysis of existing WKZ measures to assess the revenue and ROI impact of WKZ investments on supplier performance
• Potential analysis of digital WKZ products and initiatives to identify growth and efficiency levers
• Preparing and presenting the results to management and deriving a strategic move-forward plan
• Designing and facilitating several executive workshops to develop a holistic retail media vision and transformation roadmap
• Defining and prioritizing retail media business cases for data-driven evaluation of investment options
• Developing a technical target architecture considering heterogeneous ERP infrastructures and designing an integrated loyalty program
• Designing change management, including impact analysis on organizational structures and processes
• Creating and presenting C-level decision templates
• Establishing a clear retail media governance structure and technical foundation for data-driven marketing
• Developing a roadmap for implementation in 2026

• Always looking for solutions to problems and finding ways to tackle business challenges
• Leading and managing large multi-disciplinary teams (product development, project management, engineering, operations, QA, solution management, customer success)
• Developing and executing innovation and digitalization strategies for complex transformation projects
• Acting as Information Security Officer, planning, conducting, and successfully completing all ISO 27001:2022 standard audits and continuously ensuring compliance
• Leading and coaching managers across the organization
• Representing the company at industry events and coordinating external partnerships
• Providing technical support to the Aparavi sales team
• Working with account managers to lead and grow enterprise customers
• Collaborating with technical and non-technical customer departments to manage and meet expectations (e.g., C-level, finance, IT services, data security and works council)
• Leading technical integration and coordinating seamless solution implementation
• Hands-on development and management of cloud, AI, and SaaS solutions to meet demanding customer expectations
• Promoting agile, DevOps-based methods and organizational structures for innovation and sustainable growth
• Continuously analyzing and solving technical and business challenges to boost company success

• Stack: SAP Commerce 2011 (B2C).
• Migrating the data from Stibo system to SAP Commerce Cloud.
• Mapping the data from Stibo system to SAP Commerce Cloud.
• Integrating hot folders to support multiple countries and languages.
• Integrating validation tools for migrated data and generating validation reports.

• As a freelancer, I help companies build and use online marketing and analytics strategically.

• Together, we develop a sustainable strategy to reach your target audience, use data sensibly and in compliance with data protection, and set up your website optimally.

• I rely on close, long-term collaboration – transparent, pragmatic, and without unnecessary jargon.

• My goal is to make your company strong digitally and give you the tools to make informed decisions.

• I work at a senior level in my role.

• Skills:

• Digital (Web) Analytics

• Marketing Technology

• Web Data Protection (GDPR & TDDDSG)

• Cookies & Cookie Banners

• Data Strategy

• Google Analytics

• Google Tag Manager

• Google Ads

• Digital Project Management

As a bridge between Legal, IT, and Marketing, my responsibilities include conducting technical due diligence, documentation, and designing privacy-compliant IT functions across multiple B2P Telefónica Germany brands as part of the RAITT digitalization program. Focused on aligning web and app services with GDPR, TDDDG, and Privacy by Design & Default principles.

Core responsibilities included analysing and visualising data flows across customer journeys, validating tracking and martech integrations, and supporting IT teams in designing privacy-compliant digital architectures. Delivered documentation for internal legal assessments and maintained OneTrust governance and cookie-banner accuracy.

Services and technologies involved:

• Identity & Authentication: CIAM (OAuth2, OIDC), login and session handling, customer account services
• Analytics & Measurement: Google Analytics (GA4), Google Tag Manager (Server-side Tagging & Data Stream Design), event tracking and tagging
• Advertising & Attribution: Google Ads, Google DoubleClick / Campaign Manager, Meta Pixel, affiliate partner integrations
• Experience & Personalisation: Adobe Experience Manager (AEM), Adobe Target, Adobe Experience Platform (AEP), Adobe Edge Network
• Security & Delivery: Cloudflare (CDN), PayPal FraudNet
• Compliance & Governance: OneTrust CMP, consent categories, cookie governance, TDDDG-compliant banner logic
• General web/app services: partner APIs, data transfers, tracking schemas, consent-dependent data activation