Claude Expert in Frankfurt

• Fully on-premises LLM document-examination platform for a compliance-critical banking domain: agentic LangGraph pipeline with deterministic verification, every AI judgment structured and source-anchored; ~960 automated tests, zero data egress
• GPU throughput engineering (quantized serving, speculative decoding, prefix caching): 9.5x extraction speed-up, 500+ multi-document case files per day on a single A100
• AI-native EDI/EDIFACT integration platform (~116k LOC Java 25 / Spring Boot 4, 1,900+ tests): LLM-drafted partner mappings machine-verified before go-live (DFDL conformance, field-coverage checks, dry runs), ~99.5% byte match on real customer files — replacing weeks of manual mapping per partner

• Led business development across DACH for a PropTech platform digitising distressed real estate and NPL asset sales — unlocking liquidity for illiquid assets through structured digital bidding processes for brokers, investors and insolvency administrators.

• Developed and managed enterprise relationships with real estate agencies, banks, servicers and PropTech platforms — driving pipeline generation, commercial negotiations and partnership development across Germany and Europe.

• Replaced opaque one-to-one negotiations with transparent multi-bidder environments — supporting distressed real estate sales, NPL/REO asset disposals, portfolio sales and high-demand residential listings with speed, compliance and auditability.

• Development and optimization of the RTL+ frontend application for SmartTV and set-top box platforms with React and Next.js.
• Key role in the technical coordination of developers within the team and in coordinating implementation.
• Central interface to adjacent teams to simplify development processes and improve cross-team alignment.
• Improved frontend performance, stability, and rendering behavior on low-powered devices in a restricted runtime environment.
• Implemented a frontend testing strategy with Jest, React Testing Library, and Playwright.
• Implemented accessibility improvements according to WCAG 2.2 and WAI-ARIA.
• Integrated Didomi Consent Management as a contribution to increasing ad monetization on streaming platforms.
• Used AI-supported engineering workflows with Cursor for structured implementation, refactoring, and faster problem solving.

Technologies used: React, Next.js, TypeScript, JavaScript, GraphQL, Apollo Gateway, Zustand, Tailwind CSS, Styled Components, React Testing Library, Playwright, Jest, HTML5, CSS3, AWS Lambda, EC2, CloudFront, S3, GitLab CI/CD, NX, Cursor

I founded Nick's Advisory to make HR management, HR project delivery, and AI expertise available to companies on a temporary basis when internal capacity or experience is lacking.

Services:

• HR interim management: taking over the HR business partner or HR manager role during restructuring, growth, or a vacant leadership position, on a daily or hourly basis
• HR consulting: projects around reorganization, talent acquisition, separation processes, and building HR structures
• AI consulting for HR teams: selection, introduction, and use of AI tools in HR processes

• Conceptual design and implementation of modular AI assistants for sales and business processes in the Microsoft ecosystem (Agentic AI, Copilot extensions)
• Frontend architecture and development with React + TypeScript for embedded chat and assistant surfaces (streaming UI, hooks, React Query, OpenAPI clients)
• Enterprise-level agent development: reusable skill/agent library, MCP server, review and compliance gates
• LLM integration into the user experience: Anthropic (Claude), OpenAI, tool use, RAG pipelines, prompt engineering, guardrails
• Architecture and code review consulting as well as mentoring in the AI development team
• Integration with Microsoft Graph, Power Platform, and Azure services
• Technologies: React, TypeScript, Anthropic Claude, OpenAI, MCP, RAG, Microsoft Graph, Power Platform, Azure

Further development & digitalization of key sales and application processes in a regulated banking environment, including requirements structuring, roadmap development and AI-supported use case assessment

Responsibilities & Impact:

• Management of existing digital products to ensure stable operations (Keep the lights on) amid growing regulatory complexity
• Product vision and development of a consistent, implementable roadmap
• Strategic backlog prioritization based on business goals, dependencies and technical feasibility
• Coordination of release planning, backlog, quality assurance and go-live readiness with business departments, IT, implementation teams and management
• Identification, structuring and assessment of AI-supported use cases at the interface of business departments, IT and the regulatory environment
• Analysis, structuring and translation of complex business requirements into epics and user stories
• Facilitation of team, stakeholder & alignment formats to ensure clarity of objectives, collaboration and decision-making ability
• Transparency on capacities, dependencies, delivery status and KPI/status aspects as a basis for product & management decisions
• Compliance with transparent structures and documentation (LeanIX, application profiles, runbooks)

Contribution to results:

Stabilization and further development of key financial processes under high regulatory and technical complexity. Improved transparency, decision-making ability and implementability through structured requirements, auditable documentation and AI-supported ways of working.

• Responsible for the concept, planning, and implementation of the product development of GetMyInvoices 2.0 and the subcomponent InvoiceRails
• Independent work on all aspects of the project, including concept, specification in tickets, and coordination of developers
• Creation, management, and prioritization of tickets to ensure all tasks are completed on time and with high quality
• Carrying out and/or coordinating tests and ensuring the proper implementation of the developed features and functionalities
• Close collaboration with developers to clarify technical requirements and ensure the implementations match the specifications
• Regular reporting on project progress and documentation of key decisions, changes, and risks
• Taking on the subject matter lead for all topics around e-invoicing and Peppol, especially in relation to the InvoiceRails component
• Internal consulting and knowledge sharing on e-invoicing and Peppol for other teams and departments
• Tracking market trends and new developments in e-invoicing and Peppol to continuously adapt the product strategy
• Ensuring the long-term scalability and flexibility of the products for future technical and regulatory changes in the e-invoicing area

• Bootcamp Coach: "Digital Sales with AI" for neuefische GmbH
• Creation of curriculum and content for career changers seeking to start a career in digital sales
• Teaching of methods and tactics for an exhaustive tech stack:
• AI Agents Zapier and make.com
• AI Tools Midjourney, heygen, Text-Text LLMs (ChatGPT, Claude, Gemini etc.)
• Sales Software Stack: Fireflies, HubSpot, WIX, Talkwalker

• Operational implementation of the growth levers of growing E-Com brands: SEO, GEO, SEA, shop, conversion, and automation of recurring processes.
• Building and managing specialized AI agent systems that work as roles (SEO, content, conversion, Shopify engineering) instead of single prompts.
• Working either as done-for-you execution or as done-with-you setup, where the brand's team can continue working on its own afterward.
• Customers and projects include TeamTex and Original Veddel, Störtebekker, ConstructionX.
• AI workshops and enablement formats for specialist and leadership teams, plus the joint webinar series AI Vibe Club with Xentral.

• Platform established and running stably; deliberately reducing my involvement to refocus on an engineering mandate in the financial sector.
• Built an own SaaS learning platform from the ground up and scaled it to over 20,000 users (over 6,000 courses sold, B2C and B2B); end-to-end ownership from development through infrastructure to operations.
• Built a lab environment that provisions an isolated Linux container per user (Docker, Traefik, Go), including automatic provisioning and a dedicated subdomain per user.
• Integrated LLM features into the product and accelerated development end-to-end with AI-assisted workflows (Claude Code, Codex); CI/CD with automated tests.

Helping startups understand their users, turning ideas into products that reach PMF and are worth scaling. Partnering with agencies who need product expertise for specific projects.

• Established usability best practices that minimized design debt in early-stage product development.
• Supporting agencies as a senior product design partner for client projects.

• Design and global rollout of sensitivity labels (confidentiality labels) for automated classification and encryption of business-critical data.
• Definition and rollout of Data Loss Prevention (DLP) policies to protect IP and personal data across endpoints, Exchange, SharePoint, Teams, and non-Microsoft clouds.
• Setup of Insider Risk Management policies to detect and contain excessive data leaks and risky user behavior.
• Implementation of GDPR and retention requirements through automated retention policies and structured records management.
• Technical support for legal teams in internal and external investigations using eDiscovery (Standard/Premium) and Content Search.
• Continuous improvement of the security and compliance level by reviewing the Microsoft Compliance Manager and closing gaps (regulations such as ISO 27001, NIS-2)

• KPI dashboards for inventory and goods received quality control & testing ETL, dataset, dataflows and report development, complex DAX solutions

Data sources: Dataverse, RDB, Excel

Tools: ETL, data modeling, data flows, Power Query, M, Power BI, complex DAX

• Capacity: 25%

Created compelling visual design system for My Porsche Charging App, translating premium automotive brand DNA into digital interfaces serving 150,000+ luxury vehicle owners.