Intermediate Masterclass

Java Backend Mastery

Java Backend Mastery is a guided sequence designed to build your understanding step by step.

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11 Lessons

Production-Ready

Not just theory. Learn the patterns used at companies like Google, Meta, and Uber.

Interactive Progress

Save your progress, mark lessons as complete, and track your path to mastery.

Certification

Earn a verifiable certificate of completion to showcase on your professional profile.

Course Curriculum

Core Lessons

11 Lessons
01Java Memory Management Deep Dive: Heap, GC, and Production Tuning
7 min read
02The Java Memory Model (JMM): Volatile, Happens-Before, and Visibility
3 min read
03Java GC Tuning: From G1 to ZGC — Eliminating Pause-Time Spikes
10 min read
04Java Virtual Threads: High-Concurrency without the Complexity
2 min read
05HikariCP Tuning: Diagnosing Database Connection Pool Exhaustion
2 min read
06Java Flight Recorder (JFR): Continuous Profiling with Zero Overhead
1 min read
07Cgroup Awareness in Java: Avoiding OOM Kills
1 min read
08Zero-Copy in Netty: The Backbone of High-Speed Java Networking
2 min read
09Hardware-Level False Sharing: Designing High-Speed Java Objects
1 min read
10Java Heap Dump Analysis: A Step-by-Step Guide to Finding Memory Leaks
3 min read
11The Senior Engineer Guide to LLD: SOLID Principles in Practice
4 min read

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