Comprehensive coverage of Apache Kafka fundamentals, producers, consumers, and interview preparation questions.

Interview questions and deep dive explanations for Java fundamentals, JVM, concurrency, and more.

System design for the payments domain — payment gateways, transaction processing, fraud detection, and scalable payment infrastructure.

Core concepts of microservices architecture, distributed systems patterns, and best practices.

Master Kafka with Spring Boot — from fundamentals to production-ready event-driven architectures.

Complete guide to Kafka Connect — source and sink connectors, CDC with Debezium, and data pipelines.

A structured 10-day crash course covering core system design concepts and real-world case studies.