Full stack developer building web applications with AI capabilities. I specialize in React/Next.js frontends, Node.js and Python backends, and integrating AI into real business workflows.
All my freelance clients have been satisfied with my work. I deliver clean code, communicate clearly, and meet deadlines.
AI Integration
Enterprise chatbots, document analysis, workflow automation using OpenAI API and function calling.
Web Applications
Modern frontends with React/Next.js, REST APIs, database design, authentication systems.
3D Web Experiences
Interactive visualizations with Three.js, performance optimization for large-scale rendering.
Property Inspection Platform
Reporting system with image annotation, AI-powered defect analysis, PDF/HTML export, 360° photo viewing.
Next.js TypeScript OpenAI API PostgreSQL
Enterprise AI Chatbot
Multi-tenant chatbot for a B2B company. 13 tool functions including product search, sales analytics, and discount management.
Python FastAPI OpenAI Assistants Function Calling React
Duygu Evreni
Anonymous emotion-sharing platform where emotions appear as stars orbiting themed planets. Optimized Three.js rendering with InstancedMesh for 10,000+ simultaneous objects.
Next.js Three.js TypeScript
Frontend React, Next.js, TypeScript, Three.js, Tailwind CSS
Backend Node.js, Python, FastAPI, Spring Boot
Database PostgreSQL, MongoDB, Supabase
AI OpenAI API, Claude API, RAG, Function Calling, Assistants API
Tools Docker, Vercel, Git