kerwitz
Crafting Digital Excellence

I Build Digital Products That Drive Results

Full-stack developer specializing in high-performance web applications, seamless API integrations, and intelligent AI-powered solutions.

About Me

Transforming Ideas Into Digital Reality

I'm a full-stack developer with over 20 years of experience building digital products that make a difference. From startups to enterprise clients, I've helped businesses transform their ideas into scalable, performant applications.

My approach combines technical excellence with a deep understanding of business objectives. I don't just write code—I craft solutions that solve real problems and deliver measurable results.

20+
Years Experience
500+
Projects Delivered
300+
Happy Clients
99%
Client Satisfaction
What I Offer

Expert Solutions for Modern Challenges

End-to-end development services tailored to your business needs

Frontend Development

Pixel-perfect, responsive interfaces built with React, Vue, or Next.js. Focused on performance, accessibility, and delightful user experiences that convert visitors into customers.

  • React & Next.js
  • Vue & Nuxt
  • TypeScript
  • Tailwind CSS
  • Performance Optimization
  • A11y Compliance

Backend Development

Scalable, secure server architectures using Node.js, Python, or Go. RESTful APIs, GraphQL endpoints, and robust database designs that grow with your business.

  • Node.js & Express
  • Python & FastAPI
  • PostgreSQL & MongoDB
  • Redis & Caching
  • Docker & K8s
  • CI/CD Pipelines

AI Integration

Intelligent automation and AI-powered features using OpenAI, Claude, and custom ML models. Transform your applications with conversational AI, smart recommendations, and predictive analytics.

  • OpenAI & Claude APIs
  • Custom Chatbots
  • RAG Systems
  • ML Model Integration
  • Prompt Engineering
  • AI Automation
Selected Work

Projects That Make an Impact

A curated collection of projects that showcase my expertise

E-Commerce Platform
Full-Stack Development
2026

E-Commerce Platform

A high-performance e-commerce solution processing 10K+ daily transactions with seamless checkout, real-time inventory management, and AI-powered product recommendations.

Next.js 14 Node.js PostgreSQL Stripe Redis AWS
2x
Faster Checkout
< 1s
Load Time
-56%
Cart Abandonment
AI Content Studio
AI Integration
2025

AI Content Studio

An intelligent content creation platform leveraging GPT-4 and Claude for automated copywriting, SEO optimization, and multi-language content generation at scale.

React Python FastAPI OpenAI Claude API Pinecone
5x
Time Saved
8
Languages
4.8/5
User Rating
FinTech Analytics Dashboard
Frontend Development
2025

FinTech Analytics Dashboard

Real-time financial analytics dashboard with advanced charting, portfolio tracking, algorithmic trading signals, and automated reporting for institutional investors.

Vue.js 3 D3.js Go WebSockets TimescaleDB Kubernetes
< 50ms
Real-time Updates
15+
Data Sources
-85%
Report Time
Business Management Agency
Full-Stack Development
2024

Business Management Agency

A premium business consulting website for a Fortune 500-serving management agency featuring strategic planning, operational excellence, and digital transformation services.

Next.js TypeScript Tailwind CSS Framer Motion Headless CMS Vercel
98+
Lighthouse Score
+340%
Lead Conversion
-65%
Bounce Rate
Clear communication, reliable delivery, and code that actually works in production. After two decades in tech, that's rare to find.
Get in Touch

Let's Build Something Great

Ready to bring your vision to life? I'm here to help you create something extraordinary.

Response Time

Within 24 hours

Availability

Open to new projects

I'll get back to you within 24 hours.