Design, build, and maintain secure, scalable web applications using PHP (Symfony) and Vue.js Develop, optimize, and maintain robust back-end services, APIs, and database interactions (PostgreSQL & MySQL) Create responsive and intuitive user interfaces with strong attention to front-end quality and usability Implement and enforce best security practices across the entire software development lifecycle Write high-performance code for applications that must scale efficiently Leverage modern coding standards (OOP, MVC, REST) and participate in code reviews Collaborate with cross-functional teams (Product, QA, Design) in Agile sprints Proactively diagnose, debug, and solve application and performance issues