Senior Full Stack Engineer with 15+ years of experience designing and building secure, scalable web applications and distributed systems. I specialize in PHP (Symfony/Laravel), Node.js, TypeScript, React, REST APIs, microservices, and cloud-native architectures. My expertise includes backend architecture, API development, authentication, payment gateway integration, AI-powered applications, Retrieval-Augmented Generation (RAG), NL2SQL platforms, real-time communication, and modern DevOps practices using Docker and Kubernetes. I have successfully delivered enterprise solutions for clients across Europe, focusing on clean architecture, maintainable code, security, performance, and automated testing. Whether it's building a new product from the ground up, modernizing legacy applications, or integrating AI capabilities into existing systems, I provide reliable, well-engineered solutions that are built to scale. **Core Expertise** • PHP (Symfony, Laravel) • Node.js, TypeScript, React, Next.js • REST APIs & Microservices • MySQL, PostgreSQL, Redis • Docker, Kubernetes, CI/CD • AI Integration, RAG & LLM Applications • Payment Gateway Integration • Secure Authentication & Authorization • Performance Optimization • Automated Testing (PHPUnit, Behat, Jest, Supertest, K6) I believe in transparent communication, realistic timelines, and delivering high-quality software that solves real business problems.