Yurii P.

Senior Full-Stack Engineer with 25+ years of professional software development experience. I work across the complete stack — frontend, backend, databases, APIs, infrastructure, deployment, and production troubleshooting. TYPO3 is one of my strongest specializations. I have 10+ years of deep TYPO3 experience across generations of the platform, from TYPO3 4.x to TYPO3 14. I handle upgrades and migrations between any TYPO3 versions, including complex multi-step migrations, custom extensions, database/content migrations, templates, integrations, and legacy modernization. Full-Stack & TYPO3 • PHP, JavaScript/TypeScript, HTML5, CSS/SCSS • TYPO3 development & architecture • TYPO3 upgrades & migrations between any versions • Custom TYPO3 extensions & extension migration • Responsive frontend development • MySQL/MariaDB, SQL & Redis • REST APIs & third-party integrations • Legacy application modernization DevOps & Infrastructure • Docker / Docker Compose • Linux & Nginx • GitLab CI/CD & deployment workflows • Development, staging & production environments • Performance & production troubleshooting AI & Automation • AI/LLM integration into existing applications • Ollama & local AI services • AI-assisted content processing, translation & classification • Automated data processing & synchronization pipelines I can take ownership of the complete technical solution: analyze an existing system, design the architecture, implement frontend and backend functionality, integrate external services, deploy it, and solve production issues. Whether you need a difficult TYPO3 migration, a complete full-stack solution, modernization of an existing PHP application, API integration, Docker/CI/CD, or AI functionality, send me a message and tell me what you need to solve.