Google Cloud Platform Experts in Hamburg

• Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
• Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
• Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.

• Defined and established the areas of responsibility
• Built a governance model for the department and its areas of responsibility
• IT strategy, project management, process management, and quality and sustainability management
• Developed a communications strategy for the group
• Created the IT strategy
• Designed templates, guidelines, and processes for consistent ways of working
• Recorded strategic guidelines and grouped ongoing projects – derived a roadmap for strategic planning
• Reviewed ongoing projects
• Prepared staffing calculations and capacity planning
• Defined job profiles

• Assumed responsibility for backend architecture and technical strategy, planning and leading the platform's evolution in close collaboration with the CTO
• Simultaneously drove the development of new features for the housing and tenant management platform, balancing high-level architectural design with hands-on implementation
• Utilized AI-assisted workflows (with tools such as Claude Code, Codex, Cursor) and worked on AI-based features (with tools such as N8N, Mastra, ElevenLabs)

Technologies: Node.js, TypeScript, React.js, Next.js, PostgreSQL, Google Cloud, Docker, Kubernetes

• Onboarded and conducted comprehensive documentation and system analysis to assess the existing data infrastructure, facilitating rapid integration and collaboration across functional data teams (modelling, processing, reporting).
• Collaboratively defined the architecture and project structure for a central data pipeline repository, including hierarchical standards, knowledge management strategies, and role-specific responsibilities, enhancing maintainability and onboarding speed.
• Evaluated and validated open-source data routing tools (Airbyte, Apache NiFi, Dragster) for ingest and sync requirements in retail analytics, including local benchmarking and error-state testing.
• Led the design and deployment of Airbyte in Kubernetes, creating customized Helm charts, securing secrets handling, and configuring Ingress with TLS and internal DNS routing, ensuring full API and UI accessibility.
• Troubleshot and resolved Ingress controller issues, iterating through multiple stages of debugging and testing, and documented setup and replication steps for scalable reuse.
• Mapped data models to ARTS standard, supporting schema alignment for ERP and reporting use cases, and coordinated review loops to align future data processing logic.
• Drafted strategic 1-pagers comparing MinIO, Pub/Sub, and routing architectures, providing technical guidance for architectural decisions and investment planning.
• Enabled secure access and authentication mechanisms, including initial evaluation for SAML integration, cluster-level configuration reviews, and service annotation improvements.

Technologies: n8n, Notion, OpenAI API, Claude, MS AI Foundry, MS CoPilot Studio, MS CoPilot, LLM, Node.js, Vercel, LangGraph, PostgreSQL, pgEdge, pgvector, Docker, LangChain, Ollama, Open WebUI

• Continuous evaluation and prioritization of internal automation needs
• ~20 AI agents in active use: research, content pipelines, document processing
• 5 n8n workflows for automated data and process control
• Architecture built on the same principles as in customer projects: state management, event-driven orchestration, API integration
• Ongoing operation and further development

Strategic technology leadership and architecture consulting.

• Fractional CTO & interim management for startups, scale-ups, and enterprises – technical strategy, team building, architecture oversight, and delivery.
• Architecture consulting on cloud-native, distributed, and event-driven systems: reviews, design partnerships, and ongoing advisory.
• Event-driven architecture training – a hands-on 2-day course for engineering teams
• Conference speaker on distributed systems

• Migration of customer data from a private cloud to AWS
• Optimizing data transformation jobs and migration from Talend to AWS Glue
• Automation of all migration steps
• Used technologies: AWS, Python, Lambda, CloudFormation, SQLServer, AWS Stepfunctions, Glue, PySpark

• Environment: AWS, Ruby on Rails, GraphQL, React Native
• Penetration test for Backend, Android-App and iOS-App

• Planning, management and monitoring of the Corporate Responsibility Tech Enablement project for IT
• Design and implementation of the EUDR (EU Deforestation Regulation)
• Design and implementation of the Eco-Design Regulation
• Continuation of projects as part of the Corporate Responsibility strategy
• Definition and review of requirements (e.g. governance, success metrics) and, where necessary, analysis and resolution of problems
• Overall management, marketing, communication and quality assurance of the projects
• Creation of the project plan including timeline/roadmap, budget and resources
• Ensuring compliance with budget and deadlines
• Defining project management guidelines, methods and priorities
• Planning and tracking resources & efforts, also in cooperation with other IT departments
• Evaluation of projects and preparation of results (reporting to management)
• Identification and reduction of risks
• Regular communication with stakeholders
• Management of internal and external stakeholders and service providers (Jira, Confluence, backlog management, task tracking, Sharepoint, MS 365 Platform etc.)
• Development of standards and automation of processes
• Technical design and documentation of the Digital Product Passport
• Selection and evaluation of potential software providers
• Training and workshops on Osapiens

Label: Azure Cloud, Jira, Confluence, Power BI, SAP BW, AWS, Miro, Bee360, Draw.io, Sharepoint, MS 365 Platform, Trello, Osapiens, Naravero etc.

• Restructuring for product-led growth in the field of digital user-centric tech product development language learning experiences
• Scaling empowered tech product teams
• Anti-fragile software engineering

Fiverr client

• Fixed consumer issues in a production Kafka environment.
• Analyzed consumer lag with Datadog.
• Added synthetic tests to detect issues early.

Stack: Kafka, Datadog, Consumer Groups

• Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
• Defined time-based and dependency-based jobs
• Deployed to managed Kubernetes clusters using Helm
• Integrated InfluxDB Cloud
• Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
• Developed dashboards and visualizations in Grafana
• Developed unit tests with mocking using pytest
• Set up a CI/CD pipeline in GitLab

Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud

• 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

• Co-founded the German chapter of the International Women's Coffee Alliance, contributing to strategic vision development and organizational structuring for international development initiatives
• Optimized internal workflows and reduced administrative overhead through systematic process analysis and documentation
• Designed and implemented governance frameworks and data governance standards to support ESG compliance and transparency requirements for NGO operations
• Developed comprehensive data strategy to enhance data quality, transparency, and reporting capabilities across international stakeholder network