Becoming a Full-Stack Developer in 2025 means mastering both frontend and backend technologies, understanding deployment and DevOps basics, and building real-world projects that solve problems. This roadmap gives a clear, step-by-step path from absolute beginner concepts to production-ready skills, including recommended tools, learning order, practical projects, and career tips. Overview: What Is a Full-Stack Developer? A full-stack developer designs and builds complete web applications — they can implement UI, server-side logic, databases, and deploy apps to production. In 2025, full-stack roles expect knowledge of modern frontend frameworks, REST/GraphQL APIs, cloud services, security fundamentals, and CI/CD. Roadmap Summary (High Level) Foundations: Computer fundamentals, HTTP, Git Frontend: HTML, CSS, JavaScript, modern frameworks Backend: Node.js/Python/Ruby/Java, REST & GraphQL Databases: SQL & NoSQL DevOps & Deployment: Docker, CI/CD, cloud ba...