Wilhelm W.

Turn complex data into powerful web apps and AI-driven products. I build modern, scalable solutions that combine Next.js, Python, and AI/ML — transforming your ideas into production-ready SaaS tools, dashboards, and automations. With over 20 years of experience in enterprise data architecture and full-stack engineering, I’ve evolved from leading BI implementations to shipping end-to-end AI products that deliver real business value. 🚀 Recent Projects & Demos 🧠 Domain Prospector (Live SaaS) – AI-powered platform that scans and ranks expiring domains daily using automated agents, MongoDB pipelines, and a credit-based subscription model. (Next.js + Python + AI + MongoDB) 🎨 AI Room Redesigner (Live Demo) – Interactive AI app that uses image recognition to reimagine interior spaces in different styles instantly. (Computer Vision + Web UI + FastAPI) 💰 DeFi Portfolio Optimizer (In Development) – Web3 SaaS that analyses and rebalances DeFi portfolios using AI agents and blockchain data. (Solidity + Web3 + ag-ui) 🏦 Finance Calculators & Account Finder – Suite of financial tools for consumers at OnlineBankingInfoGuide.com/tools/accounts-finder, showcasing data-driven React + Python utilities built for speed and SEO. 🧩 What I Deliver -Full-stack AI-enabled web apps (Next.js + Python) -Data pipelines, APIs, and dashboards that scale -LLM and agentic AI integrations (LangChain, OpenAI API) -Web3 analytics and blockchain data tools -Clean architecture, CI/CD pipelines, and documentation 🔧 Tech Stack -Frontend: Next.js, React, TypeScript, Tailwind -Backend: Python, Node.js, FastAPI, SQL -AI/ML: LangChain, PyTorch, OpenAI, TensorFlow -Cloud: AWS, Vercel, Docker, Kubernetes -Web3: Solidity, Web3.py, ag-ui 🤝 Why Clients Hire Me Clients trust me to own the architecture and deliver results, not just code. I combine deep data expertise with hands-on product execution — the mindset of an architect, the speed of a developer, and the clarity of a consultant. If you need to launch an AI-powered product, automate data workflows, or bring a SaaS idea to life, let’s connect — I’ll map out a quick build plan and timeline for you. ✅ Next Step Send me your job post or project idea — I’ll respond with a short, actionable proposal explaining exactly how we can deliver it.