I bring AI products from idea to launch. Senior Engineer with 10+ years of full-stack development – specialized in pragmatic solutions, rapid MVPs, and AI integration. Available 20-40h/week – short-term or long-term.
What I bring
- Senior AI Engineer Multi-agent LLM systems, GPT/Gemini integration, vector search – from prototype to production
- 10+ Years Full-Stack TypeScript, React, Svelte, Next.js, Node.js, PostgreSQL – rapid iteration, sustainable architecture
- Startup & Enterprise Experience Douglas, sipgate, and various scale-ups: Frontnow, Energybox
- Technical Leadership Architecture decisions, mentoring, product-level thinking – can develop hands-on or lead strategically
What I'm looking for
- → AI/LLM product development or technical leadership
- → Preferably freelance – permanent position only as PM/PO/CTO
- → Open to product partnerships on equity basis (idea + market access vs. development)
- 20-40h/week
- available immediately
Projects & Full-time Positions
Development of a scalable AI product enrichment system that automatically enhances 100,000+ e-commerce products per shop and automates time-consuming manual processes
Development and maintenance of central platform infrastructure to support feature teams with reusable components, performance monitoring tools, code quality standards, and mentoring
Integration of social commerce features with Livebuy.io video player and optimization of Web Vitals for improved user experience
Leading fullstack development of a B2B platform with successful migration from Firebase to Supabase and implementation of scalable data collection systems
Architecture and re-development of a vehicle platform with complex multi-step checkout system and custom React components for 360° vehicle views
Interim Product Owner coordinating platform development with international teams and aligning business and development
Permanent position as Senior Frontend Developer focusing on feature development, technical mentoring, and team onboarding
Permanent position as Lead Frontend Engineer leading the frontend team and developing an IoT platform for worldwide energy data monitoring with an extensive React component library (150+ components)
Frontend development of a food box subscription platform with Stripe and PayPal integration for subscription payments
Permanent position as Software Developer focusing on REST API development, CRM integration, and migration to React/Redux architecture for telephony applications
Permanent position as Energy Data Management Engineer developing a web-based energy data management system with data visualization and integration of measuring devices and sensors
Side Projects
Conception and development of a product testing service for over 20,000 users with multi-step registration flow and BazaarVoice API integration
Development of an AI-powered travel planning software that generates complete travel offers in under 5 minutes through a 10-stage AI pipeline, reducing manual planning time by 90%
Platform for automatic monitoring of 50+ real estate agents in the Greater Düsseldorf area (goal: 400), completely replacing manual website checks through AI-powered property extraction and daily crawling
Development and long-term maintenance of a marketing platform for boutique hotels with Stripe integration and AI-powered content optimization
Migration of multiple WordPress websites to Astro and PayloadCMS with focus on zero-JavaScript approach for optimal performance and SEO
Fullstack development of a web app for rating whisky with friends
Development of a real estate platform for Düsseldorf with focus on data collection and search functionality
Development of a landing page with ordering system and CMS integration for restaurant menu
Development of a landing page with SvelteKit
Modernization of Vue.js platform with technology stack update and creation of reusable UI components
Development of a multilingual landing page with Shopify integration for the e-commerce platform go-live
Development of a non-profit platform for Covid-19 protective equipment to handle high-volume orders with GraphQL, optimized for high request volumes
Conception and development of a dashboard for comparing social media metrics of over 15 German banks and insurance companies
Frontend development of a non-profit platform for visualizing and categorizing help ideas
Analysis and bug fixing of tracking implementation for the Swiss online shop
Development of a web app for dynamic KPI visualization with interactive SVG graphics and CI/CD pipeline integration
Technologies & Skills
Frontend
Backend
AI & Machine Learning
Datenbanken
Testing
Tools & DevOps
E-Commerce
Methodiken
Clients & Projects
