My Offer
- Technical leadership for AI/GDPR projects – remote or on-site
- Custom chatbot development integrated with OpenAI
- Remote availability across Germany and Europe
- 20+ years of project experience with banks, media and industry
Expert for AI, GDPR & Web Development - Martin Siegling | Freelancer
Consulting & Development
I support companies in implementing modern, scalable software solutions with a focus on:
- AI integration (OpenAI, Azure OpenAI, DeepSeek, chatbots, NLP)
- GDPR-compliant consent management with Sourcepoint
- Fullstack web development with React, TypeScript, Prisma, and PostgreSQL
- Architecture consulting, token tracking & vector search with pgvector
Recent Projects
AI-powered intranet platform with chatbot management (2025)
Role: architecture, AI integration, development
- TypeScript, React, tailwindcss, Prisma, PostgreSQL, pgvector
- OpenAI (ChatGPT, DALL·E), Azure OpenAI, DeepSeek Reasoner
- bot management, file upload (SharePoint), vector search, token counting
- Chat UI with real-time streaming of user queries and bot responses
Consent management and web analytics with server-side tracking (>6 years)
Role: Conceptualization, Implementation
- Consentmanagement (DSGVO), Google Tag Manager (GTM), Google Analytics (GA), Cookie-Handling
- Sourcepoint, Tealium, OneTrust
- IAB, Vendorlists, Consent Management Platform (CMP): embedding and configuration
AI-assisted application development based on TypeScript, React, Node.js (>8 years)
TypeScript,
React,
Node.js (>8 Jahre)
Role: Lead software development, planning, implementation
- agile programming (Scrum)
- ChatGPT
- JavaScript, RxJS, Redux, WebRTC
- JSON, JSON Schema, YAML, Swagger (OpenAPI)
- PayPal REST-API
- PostGreSQL, MongoDB, Apache Cassandra, Elastic Search
- TRPC, Prisma, Zod, Contentful, Prismic, Apollo GraphQL
- GitHub, Github Actions, Atlassian JIRA, Vercel, Docker, Kubernetes (K8s)
- Asterisk, Twilio, Vonage (former TokBox) OpenTok.js
Application development with
Java / J2EE
(>16 Jahre)
Role: Software development, production support
- Webservices, SOAP, Struts
- XML, XSL
- Spring, Apache Ant, Apache Maven, FTP
- DB2, Oracle, Structured Query Language (SQL)
- IBM RSA, IBM Websphere, IBM Websphere Transformation Extender (WTX)
Martin Siegling - Independent expert for AI & consent management