Start here to set your direction and understand what the journey looks like.

Understand the market you're entering — AI is changing what companies look for in engineers.

Read this before you start studying — it tells you what actually matters at your stage.

Build your resume early, even before you feel ready.

A real side project strengthens your resume and gives you stories to tell in interviews.

HTTP, TCP, DNS — these come up in system design interviews more than you expect.

Understand DSA concepts before grinding practice problems.

Quick reference for Java-specific patterns used in online assessments.

Use this as your practice problem bank.

Study the principles that interviewers look for in system design rounds.

Know your load balancers, caches, and queues — these are the building blocks of every system design answer.

20 practical backend questions covering databases, concurrency, caching, APIs, and message brokers — test your understanding before the mock interview.

Watch a real mock interview to calibrate your expectations before the real thing.

Bonus: LeetCode patterns in JavaScript — the concept transfers even if you're primarily Java.

อ่าน interview-preparation/ — ครอบคลุม mindset, recruiter expectations, live coding, written exams