Prompt Engineering Experts in Hamburg

With Brandancy, I take on marketing leadership for companies that want to move forward strategically but cannot or do not want to fill a permanent CMO position. Two models: embedded as a Fractional CMO for several months or project-based as a specialist for performance marketing and SEA.

Responsibilities

• Development of marketing strategy and positioning, from analysis to a concrete action plan
• Building and managing funnels, campaign structures, and conversion optimization
• Responsibility for paid media budgets in Google Ads, Microsoft Advertising, Meta, and LinkedIn
• Technical foundation: tracking setup, GA4, GTM, Search Console, reporting structures that are understood outside of marketing as well
• SEO and GEO, meaning visibility in classic search and in AI-supported answer systems
• Integration of AI into existing marketing processes: content production, research, reporting, lead qualification
• Building and leading internal marketing teams, managing agencies and service providers Onboarding successors and documenting everything so structures continue after the mandate

Results

• Built a complete digital setup for a real estate company in six weeks, from tracking to campaigns to content
• As Fractional CMO, on site monthly in Madrid, built a digital team and took responsibility for funnel and UI/UX strategy
• Consolidated the LinkedIn presence of a B2B FinTech holding with seven subsidiaries and established a content strategy
• Handed over marketing onboarding and documentation for a new Head of Marketing, and operations continued without interruption

Focus areas

• Fractional CMO for mid-sized companies, growing businesses, and startups
• Performance marketing and SEA with more than 14 years of hands-on experience
• AI in marketing processes, as a way of working rather than a tool demo

Self-directed exploration of agentic AI development methods, taken from idea to a working, publicly usable application

• Built an interactive planning tool for modelling retirement withdrawals and tax strategy using an agentic AI (vibe coding) development approach – demonstrating self-directed investigation of new AI-assisted development methods
• Delivered live, tax-aware spending projections and adjustable user inputs; shipped as a free, install-free browser application built in Python, with attention to usability for non-technical users

• Development of a central platform for the digital implementation of health promotion measures in daycare centers and schools
• Responsible for project management, requirements management, and technical coordination

• Reviewing functional and technical requirements from a testing perspective
• Creating test cases and automated tests to validate requirements
• Performing manual and automated functional, end-to-end, and regression tests
• Documenting test results and tracking defects
• Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
• Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.

• Performed security assessments and penetration testing on Microsoft AI models for text, image, and video generation.
• Conducted prompt injection attacks through diverse input vectors, including crafted text, steganographic images, and manipulated visual elements (e.g., varying opacity and embedded content).

• Creation and planning of the content plan
• Editorial planning for 10 channels
• Image shoot (organization, coordination, execution)
• Selection of image, text and video content

• Founded a bootstrapped AI-native startup building digital tools for psychotherapists
• Empowered therapists to enhance therapeutic work without disrupting human connection
• Assembled founding team and reached product-market fit with LLM-powered supervision for psychotherapists
• Integrated generative AI stack, including agentic coding, evaluations, tracing, and prompt management

• Further development of a complex laboratory information system
• Development of new features including design
• Close collaboration with company leadership
• Embedded in a top team with consistently high performance under time pressure
• Agile approach, Kanban

• Translated technical style guides for corporate branding (Porsche, BMW, Health AG)
• Collaborated with copywriting teams on pitch development
• Recorded professional voice-overs for corporate branding videos

• Embraced full-time caregiving while achieving B2 German fluency
• Advanced cybersecurity skills through hands-on training at Masterschool
• Worked with AI & LLM tools: ChatGPT, Claude, Gemini, prompt engineering basics, LLMs, AI-assisted writing tools