{"product_id":"b0hjfgpkb3","title":"Senior Java Backend Interview: Java 25 • Spring Boot 4 • REST APIs • Security • Microservices • Kafka • System Design","description":"\u003cp\u003eAre you preparing for a Senior Java Backend, Senior Software Engineer, or Backend Engineer interview?\u003c\/p\u003e\n\n\u003cp\u003eAt senior level, knowing Java syntax is not enough. Interviewers want to know how you design systems, handle failures, make trade-offs, troubleshoot production problems, and build reliable backend services.\u003c\/p\u003e\n\n\u003cp\u003eSenior Java Backend Interview is a practical, scenario-driven guide for experienced Java developers who want to prepare for modern backend interviews with a production-engineering mindset.\u003c\/p\u003e\n\n\u003cp\u003eInside, you'll work through:\u003c\/p\u003e\n\n\u003cp\u003e• Java 25 - collections, concurrency, virtual threads, CompletableFuture, modern language features, JVM internals, garbage collection, memory, and performance\u003c\/p\u003e\n\n\u003cp\u003e• Spring Boot 4 - dependency injection, configuration, testing, production-ready services, and modern Spring development\u003c\/p\u003e\n\n\u003cp\u003e• REST APIs - HTTP fundamentals, API design, validation, idempotency, versioning, error handling, and resilient HTTP communication\u003c\/p\u003e\n\n\u003cp\u003e• JPA, Hibernate \u0026amp; SQL - transactions, isolation levels, locking, indexes, connection pools, query performance, and database troubleshooting\u003c\/p\u003e\n\n\u003cp\u003e• Spring Security - authentication, authorization, OAuth2, JWT, security boundaries, and common security failures\u003c\/p\u003e\n\n\u003cp\u003e• Microservices - service boundaries, synchronous communication, timeouts, retries, circuit breakers, bulkheads, distributed transactions, and Saga patterns\u003c\/p\u003e\n\n\u003cp\u003e• Apache Kafka - partitions, consumer groups, offsets, ordering, consumer lag, retries, dead-letter handling, and the transactional outbox pattern\u003c\/p\u003e\n\n\u003cp\u003e• Caching \u0026amp; distributed systems - cache consistency, invalidation, cache stampedes, distributed locking, and reliability trade-offs\u003c\/p\u003e\n\n\u003cp\u003e• Observability \u0026amp; production troubleshooting - logs, metrics, traces, thread dumps, JVM problems, latency, failures, and systematic incident investigation\u003c\/p\u003e\n\n\u003cp\u003e• System design - a repeatable approach for designing scalable backend systems, with complete walkthroughs for URL shorteners, notification services, order and payment systems, rate limiters, file uploads, and product catalog\/search systems\u003c\/p\u003e\n\n\u003cp\u003e• Senior-level interview questions - 100 questions with practical model answers focused on the reasoning interviewers expect from experienced engineers\u003c\/p\u003e\n\n\u003cp\u003e• Coding \u0026amp; debugging exercises - problems designed to test real engineering judgment rather than memorization\u003c\/p\u003e\n\n\u003cp\u003e• Behavioral and experience-based interviews - frameworks for turning your real project experience into strong, structured answers\u003c\/p\u003e\n\n\u003cp\u003e• Production scenarios - realistic situations involving performance issues, database bottlenecks, Kafka failures, distributed-system problems, security concerns, and service outages\u003c\/p\u003e\n\n\u003cp\u003e• Practical capstone - design and reason through an end-to-end Order Management Platform covering APIs, database design, transactions, inventory, events, idempotency, failure handling, security, observability, and Kubernetes deployment considerations\u003c\/p\u003e\n\n\u003cp\u003eBUILT FOR EXPERIENCED ENGINEERS\u003c\/p\u003e\n\n\u003cp\u003eThis is not intended to be a beginner's introduction to Java.\u003c\/p\u003e\n\n\u003cp\u003eThe focus is on the questions and situations that distinguish a senior backend engineer from someone who simply knows the framework APIs:\u003c\/p\u003e\n\n\u003cp\u003eWhy would you choose this design?\u003cbr\u003e\nWhat happens when the dependency fails?\u003cbr\u003e\nHow would you troubleshoot it in production?\u003cbr\u003e\nWhat are the consistency and scalability trade-offs?\u003cbr\u003e\nHow would you explain your decision to an interviewer?\u003c\/p\u003e\n\n\u003cp\u003eWhether you're targeting Senior Java Developer, Senior Backend Engineer, Java\/Spring Boot Developer, Microservices Engineer, or Software Engineer roles, this book is designed to help you move beyond memorized answers and demonstrate senior-level engineering judgment.\u003c\/p\u003e\n\n\u003cp\u003eLearn the concepts. Practice the scenarios. Explain the trade-offs. Think like a senior engineer.\u003c\/p\u003e","brand":"ANT","offers":[{"title":"Ebook","offer_id":52855401775320,"sku":"YSL83495","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/3356\/2072\/files\/71h5LwdnSpL._SY1500.jpg?v=1793418375","url":"https:\/\/www.bookmebay.com\/products\/b0hjfgpkb3","provider":"BookMebay","version":"1.0","type":"link"}