I am a senior full-stack developer who develops scalable SaaS platforms and API-based systems using Laravel, Symfony, PHP, and Docker technologies. I have experience in licensing systems, subscription models, logistics integrations, multi-tenant architectures, REST API development, JWT authentication, and big data imports. I actively participate in the deployment, backend architecture, performance optimization, and DevOps processes of systems running in production environments. My expertise includes SaaS architecture and multi-tenant systems, REST APIs and API security, database design and optimization, and CI/CD and Docker-based development processes.