Backend Developer Roadmap: APIs, Databases, Security & Scaling
This video presents a complete roadmap for Backend Engineering, covering the
core concepts, system design principles, and production-level practices
required to build reliable and scalable backend systems.
The roadmap is structured from foundational networking concepts to advanced
backend architecture, security, data management, and deployment strategies.
It is designed for students, aspiring backend developers, and software
engineers looking to strengthen their backend fundamentals.
📚 Topics covered in this roadmap:
1️⃣ Foundations & Network Protocols
• How web requests flow from browser to server
• HTTP protocol, headers, methods, status codes
• CORS, caching strategies, compression
• HTTPS, SSL, and TLS fundamentals
2️⃣ API Design & Routing
• URL routing and request handling
• RESTful API design principles
• API versioning and OpenAPI documentation
3️⃣ Data Handling & Security
• Serialization and data formats (JSON, XML, Protobuf)
• Authentication and authorization models
• OAuth, JWT, sessions, RBAC, ABAC
• Web security threats and prevention techniques
4️⃣ Backend Architecture & Business Logic
• Middleware and request lifecycle
• MVC architecture and service layers
• Separation of concerns and SOLID principles
5️⃣ Data Persistence & Search
• Relational vs NoSQL databases
• ACID, CAP theorem, indexing
• Caching strategies and ElasticSearch fundamentals
6️⃣ Performance, Scaling & Operations
• Asynchronous processing and background jobs
• Performance optimization techniques
• Logging, monitoring, and observability
• Real-time systems and graceful shutdowns
7️⃣ Quality, Testing & Deployment
• Unit, integration, and load testing
• CI/CD pipelines and DevOps fundamentals
• Docker, Kubernetes, and deployment strategies
• Webhooks and event-driven communication
This roadmap provides a clear learning path to understand how modern backend
systems are built, scaled, secured, and maintained in production environments.