Snapchat Experts in Germany

• Designed and deployed enterprise Retrieval-Augmented Generation (RAG) applications using LangChain, LangGraph, vector databases, embeddings, and open-source LLMs served through vLLM on GCP GPU infrastructure.
• Built agentic AI workflows using LangGraph with planning, reasoning, tool execution, persistent memory, session management, and Human-in-the-Loop approval mechanisms.
• Developed LLM-powered automation systems integrating BigQuery, SQL pipelines, and external advertising APIs including Meta, TikTok, Amazon, Snapchat, Google, and Pinterest, reducing manual operational workflows.
• Architected multi-agent AI systems for enterprise analytics and decision-support workflows, enabling autonomous task execution and intelligent data interactions.
• Implemented retrieval optimization strategies including multi-retriever architectures, semantic search, context optimization, and query improvement techniques, improving response relevance by approximately 40%.
• Engineered structured prompting strategies, function-calling schemas, and validation workflows to improve reliability of multi-step LLM applications.
• Designed scalable AI services using Python, FastAPI, Cloud Run, Pub/Sub, BigQuery, Docker, and cloud-native deployment architectures.

• Built automated data ingestion workflows using Python, Fivetran, and Funnel, integrating Git for version control and collaborative code reviews.

• Developed monitoring solutions with SQL, reducing manual effort by 30%.

• Developed AI agents to automate manual tasks, significantly reducing human error and time.

• Performed data validation, troubleshooting, and root cause analysis using AWS Glue, S3, and Athena.

• Designed Python-based crawlers and ingestion scripts to scale multi-source data collection.

• Streamlined workflows by creating checklists and documenting processes using Jira and Confluence.

• Managed client communications in a fast-paced, zero-error environment, ensuring clarity and efficiency.

• Proficient in ETL and orchestration tools, including AWS (Glue, S3, Athena), with familiarity in DAG-based orchestration and structured data models.

• Designed and implemented data models and ELT workflows using SQL and dbt to power dashboards.

• Documented end-to-end processes and applied QA practices to ensure data accuracy and consistency.

• Proposed new metrics and segmentation logic, enhancing client reporting capabilities.

• Validated multi-platform data (Shopify, Google Ads, Meta, Microsoft Ads, Snapchat, Klaviyo) with 99% accuracy.

• Optimized Tableau dashboards and data models, reducing load times by up to 40%.

• Delivered data-driven KPI recommendations, driving a 10–15% improvement in client metrics.

• Strategic, technical and operational responsibility for the website
• Strategic, technical and operational responsibility for SEO
• Advisory role on paid media acquisition
• Responsible for collaboration with external service providers and agencies

• Lead for Paid Social campaigns (Meta, TikTok)
• Campaign strategy, UGC direction, audience scaling
• Tracking setup (Pixel, Events), coordination with dev teams
• Client consulting and team training
• Key contributor to annual ad spend growth of +500K€
• Industries: Health (7Mind), E-commerce, SaaS (awork), Tourism (Hamburg Tourismus), Real Estate (Evernest)

• Account and project management of various digital projects (social, display & influencer) including budget allocation
• Creation of media recommendations and media plans (e.g. for Magenta YOUNG & MagentaTV)
• Internal and external coordination with e.g. marketer platforms such as Facebook, TikTok, Twitter, Snapchat and Co.
• Preparation of offers, project and budget monitoring
• Creation of reports based on predefined KPIs (weekly, as well as extensive end-of-campaign reports)
• Requirements management and quality assurance

• Development and optimization of holistic full-funnel marketing strategies
• Analysis and evaluation of existing tracking and attribution models
• Development of recommendations to optimize data flow and tool integration
• Deriving insights based on performance data
• Creating management reports and deriving strategic recommendations for the C-level
• Developing an integrated, data-driven approach to manage digital marketing and communication activities

• Development, planning & implementation of performance campaigns, including media planning
• Editorial planning and content creation for various social media channels
• Ad content creation
• Creation of regular reports, derivation of learnings & optimizations
• Consulting & project management
• Agency management
• Community management
• Influencer marketing
• Website maintenance

• Design and delivery of courses in master's programs
• Teaching practical content at the intersection of strategy, brand, and management
• Supervising project work and practice-oriented case studies
• Teaching focus: Customer Experience Management; Strategic Marketing & Brand Management; Project Management; Presentation and decision preparation
• Strong practical relevance with real company examples

• The Liebherr-Electronics and Drives GmbH is a company of the Liebherr Group with locations in Lindau and Biberach. It develops and produces electronic controls, drive systems and energy storage for applications in construction, aviation and industrial engineering.
• 200 employees
• Executive management
• Monitoring, harmonizing and optimizing current HR projects/processes
• Point of contact for managers, employees and stakeholders on all personnel, collective bargaining and labor law topics
• Implementation of HR measures such as supporting the compensation round, performance reviews
• Coaching HR Business Partners
• Negotiating works agreements
• Apprenticeship recruiting
• SAP SF
• Knowledge Management System

• Built and scaled full-funnel growth and lead-gen campaigns managing €500K+ annual ad spend and improving lead-to-SQL efficiency by 30% for B2B and SaaS clients
• Developed HubSpot CRM automation including lifecycle stages, lead scoring, attribution reporting, and multi-step nurture workflows to increase pipeline velocity
• Managed conversion-focused website and landing page optimization
• Led cross-functional project teams streamlining marketing operations
• Selected clients: Usercentrics, Organon, KUKA Robotics, WeWash

• Strategic preparation of new business presentations for the European Commission in collaboration with experts across Social Media, Outreach, Public Relations, Events, Media and Web Development
• Strategic guidance of the team during the implementation of large-scale campaigns in multiple countries

Projects:

• Frankfurt Book Fair 2024: Communication campaign promoting Italy as guest of honour, implementation in Germany and Italy
• European Year of Youth 2022: 360° communication campaign to raise awareness among 15-24 year olds across 27 member states, including a digital immersive 3D voice platform
• European Union Intellectual Property: Integrated campaign to promote EUIP Office services for SMEs, planned rollout in 10 countries
• European Institute of Innovation & Technology (EIT): Communication strategy to restructure EIT communication across Europe in 2023
• European Education Area: Strategic planning of a 360° campaign to raise awareness of the European Education Area vision, planned rollout in 10 countries
• Funding Program CERV: 360° campaign to raise awareness of the Citizens, Equality, Rights and Values funding programme, planned rollout in 10 countries
• European Civil Protection (DG ECHO): 360° campaign to raise public awareness of EU disaster prevention and response activities, planned rollout in 6 countries

• Support building up a digital unit for a world renowned kitchen utensils supplier
• Coaching of (C-Level) management in agile frameworks with focus of agile leadership
• Zwilling wide agile coachings (non IT-Departments) in agile methods and best practices
• Hands on support of newly formed, cross functional scrum Teams
• Hands on coaching of new Product Owners
• Roll out of OKRs for the Digital Unit
• Introduction of Design Thinking / Sprints for the development of new hardware (connected devices in kitchens)

• Taking companies' paid social measures to the next level
• Strengthening organizations through expert consulting, efficient operational execution, comprehensive auditing, employee trainings, interactive workshops, strategic planning, and in-house support

• Developing a holistic growth strategy and data setup to scale
• Hiring and developing the whole growth team from scratch
• Responsible for the whole growth funnel (including parts of product) and all growth channels
• Leading a growth team of 16 people