Master server architecture, relational & NoSQL databases, REST/GraphQL APIs, caching, authentication, and microservices.
Choose and master a solid server-side runtime.
Asynchronous I/O, event loop, HTTP servers, and Express REST APIs.
Python backend, asynchronous endpoints, and Pydantic validation.
Data modeling, transactions, query optimization, and persistent storage.
Schema design, normalization, ACID transactions, complex joins, CTEs, indexing, and query plans.
Key-value caching, Redis pub/sub, MongoDB document stores, and session state caching.
Build robust, authenticated, and rate-limited API endpoints.
HTTP verbs, status codes, OpenAPI/Swagger specifications, real-time bi-directional sockets.
Design distributed, fault-tolerant backends.
Message brokers (Kafka, RabbitMQ), load balancing, horizontal scaling, database sharding, and microservices.