MateoKapllani.
Full-Stack Developer
5+ years building AI-powered web applications. From founding team to production — I ship fast, performant, and scalable code.
Building digital
products that
scale.
Full Stack Developer with 5+ years of experience building AI-powered web applications. Early-stage startup veteran who helped grow Sensay from founding team to a full product company.
I specialize in high-performance web applications with Next.js, production AI systems including chatbots and RAG pipelines, and full-stack development from prototype to production.
BSc in Digital Systems
University of Thessaly (UTH)
Experience
Full Stack Developer
Sensay
Founding team member at AI startup building knowledge transfer and AI replica products across multiple product pivots.
Full Stack Developer
Enviweb
Built a multilingual online course platform with admin controls, progress tracking, and internationalization.
Frontend Developer
TheForgeAI
Built the frontend for an AI-powered application builder with visual data flow editor using React Flow.
Mobile Developer
Epoptia Cloud MES
Developed manufacturing execution system mobile app from scratch with real-time GraphQL data sync.
Freelance Full Stack Developer
Various Clients
Delivered multiple projects for international clients on Upwork — from B2B analytics platforms to restaurant marketing sites and mobile booking apps.
Tech Stack.
Frontend
Backend
Database
AI / ML
Mobile
Infrastructure
Selected Work.
Sensay
AI Knowledge & Replica Platform
Founding team member at AI startup building knowledge transfer and AI replica products across 3 major product evolutions.
- Built AI chatbot systems with RAG pipeline and semantic chunking
- Achieved near-instant page loads with Next.js partial prerendering
- Designed database schema with Supabase Row-Level Security
- Created Telegram & Slack bot integrations powered by AI
Enviweb
Learning Management System
Multilingual online course platform with comprehensive admin controls and progress tracking.
- Full internationalization support with next-international
- Custom course builder: videos, quizzes, markdown, rich text
- Student progress tracking system
- Admin dashboard with full content management
MarkenOn
B2B SaaS Platform
Online SaaS startup for B2B with analytics dashboard and order management.
- Interactive analytics with Chart.js
- Authentication with login/signup flows
- Order management system
TheForgeAI
AI Application Builder
AI-powered application builder with visual data flow editor.
- Visual data flow editor with React Flow
- AI prompt engineering system
- Custom UI editor for styling
Epoptia Cloud MES
Manufacturing Execution System
Mobile app for manufacturing execution with real-time data sync.
- Cross-platform mobile from scratch
- Real-time data with GraphQL
- Live updates and synchronization
Travel Booking App
Mobile Travel Platform
Mobile app for a travel agency with hotel search and interactive maps.
- Hotel search with advanced filtering
- React Native Maps integration
- SDK upgrade from 49 to 50
Digimust
Restaurant Website
Marketing website for a restaurant in Mykonos with rich animations.
- Custom Framer Motion animations
- Responsive design
- Visual-first approach
Let's build
something together.
I'm always open to discussing new projects, creative ideas, or opportunities to be part of something great.