⏱ 6 min read Capacity planning and back-of-envelope estimation are essential skills for system design interviews. Every design decision — whether to use a […] Read article

⏱ 7 min read Data serialization determines how structured data is encoded for storage and transmission. The choice between JSON, Protocol Buffers, Avro, and Read article

⏱ 8 min read Probabilistic data structures trade perfect accuracy for dramatic space savings. A Bloom filter can test membership in a set of Read article

⏱ 8 min read Continuous Integration and Continuous Delivery (CI/CD) pipelines automate the path from code commit to production deployment. A well-designed CI/CD pipeline Read article

⏱ 9 min read Understanding network protocols is fundamental to designing performant distributed systems. Every API call, database query, and cache lookup traverses the Read article

⏱ 9 min read Message queues are the backbone of asynchronous communication in distributed systems. Choosing the right message queue and understanding its guarantees Read article

⏱ 9 min read Web security is a core competency for every backend and full-stack engineer. Security vulnerabilities are consistently the most expensive bugs Read article

⏱ 8 min read Generating unique identifiers in a distributed system is a surprisingly complex problem. A simple auto-incrementing integer does not work when Read article

⏱ 9 min read Containers are the building blocks of modern cloud-native applications. Understanding how Docker works internally — Linux namespaces, cgroups, layered filesystems, Read article

⏱ 9 min read Load balancers distribute incoming traffic across multiple servers to ensure no single server becomes a bottleneck. They are a fundamental Read article

⏱ 10 min read Caching is the single most impactful performance optimization in distributed systems. A well-designed caching layer can reduce database load by Read article

⏱ 9 min read Consistent hashing is a foundational algorithm in distributed systems that enables even data distribution with minimal disruption when nodes are Read article