Technical ConceptsStudy & Reference Repository

17 interconnected articles covering API design, authentication, design principles, concurrency, distributed systems, and cloud operations. All code examples in Java with AWS integrations.

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Learning Paths

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Foundations

REST HTTP verbs & status codes, OAuth 2.0 authorization flows, and AWS Single Sign-On for enterprise identity management.

Start with REST →

🏗️

SOLID Principles

All five SOLID design principles with anti-patterns, correct implementations, and real-world Java examples.

Start with SRP →

⚡

Concurrency & Performance

Asynchronous programming with CompletableFuture and virtual threads, plus high-performance streaming with Kinesis and EMR.

Start with Async →

☁️

Infrastructure & Operations

Serverless vs containers vs monoliths, managing data consistency in distributed systems, the Twelve-Factor App methodology, and graph databases with GenAI.

Explore Infrastructure →

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Security

Symmetric and asymmetric encryption, hashing, digital signatures, AWS KMS, and Secrets Manager.

Learn Cryptography →

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Learning Paths

Four curated sequences for Scalable APIs, Big Data, Writing Quality Code, and Enterprise Security.

Choose a Path →