Java Backend Interview Mastery with Zuber
Java Backend Interview Mastery
What you'll get
About this package
Curriculum
Phase 1 — Core Java and Spring Boot (Days 1–10)
Day 1: Core Java Fundamentals
Day 2: Java 8 — Streams, Lambdas, Optionals
Day 3: Java 11–17 Features
Day 4: Multithreading and Concurrency
Day 5: Collections Deep Dive
Day 6: Spring Boot Fundamentals
Day 7: Microservices Architecture
Day 8: Kafka Fundamentals
Day 9: AWS and Terraform Basics
Day 10: SQL and JPA
Phase 2 — Microservices Patterns (Days 11–15)
Day 11: Collections Advanced
Day 12: Design Patterns
Day 13: System Design Fundamentals
Day 14: Microservices Patterns — Saga, CQRS, Outbox
Day 15: Phase 2 Review
Phase 3 — Spring Boot Internals and Security (Days 16–20)
Day 16: Spring Boot Internals and Lifecycle
Day 17: Testing — Testcontainers, WireMock, Test Slices
Day 18: REST API Design and Best Practices
Day 19: Security — JWT, OAuth2, OWASP
Day 20: Phase 3 Review
Phase 4 — SQL and DSA (Days 21–30)
Day 21: Advanced Kafka
Day 22: Advanced AWS
Day 23: Advanced SQL — Window Functions, CTEs, EXPLAIN
Day 24: DSA — Arrays and Strings
Day 25: DSA — Linked Lists, Stacks, Queues
Day 26: DSA — Trees and BST
Day 27: DSA — Graphs, BFS, DFS
Day 28: DSA — Dynamic Programming
Day 29: DSA — Sorting and Binary Search
Day 30: Phase 4 Mock Coding Round
Phase 5 — Infrastructure and System Design (Days 31–40)
Day 31: Terraform Deep Dive
Day 32: Docker and Kubernetes
Day 33: System Design — URL Shortener
Day 34: System Design — Notification Service
Day 35: System Design — Rate Limiter
Day 36: System Design — Payment Processing System
Day 37: System Design — Event-Driven Order Management
Day 38: System Design — Search Autocomplete
Day 39: System Design — Distributed Cache
Day 40: Phase 5 Review
Phase 6 — Advanced Topics (Days 41–50)
Day 41: Concurrency Deep Dive
Day 42: JVM Internals
Day 43: Microservices Observability — OpenTelemetry
Day 44: API Gateway Patterns — Spring Cloud Gateway
Day 45: gRPC and Protocol Buffers
Day 46: WebFlux and Reactive Programming
Day 47: Performance Tuning
Day 48: PostgreSQL Internals
Day 49: Resilience Patterns — Resilience4j
Day 50: Phase 6 Review
Phase 7 — Mock Interviews and Final Prep (Days 51–60)
Day 51: Full Mock Interview Round 1 — Coding and System Design
Day 52: Full Mock Interview Round 2 — Core Java and Spring Boot
Day 53: Full Mock Interview Round 3 — Kafka, AWS, Security
Day 54: Full Mock Interview Round 4 — System Design
Day 55: Resume and Experience Narratives
Day 56: Behavioural Interview Prep
Day 57: Final Weak Spots — Personalised Revision
Day 58: Final Revision Day 1
Day 59: Final Revision Day 2
Day 60: Final Day — Master Reference and Interview Day Checklist