Cracking the Tech Interview
Rafay AbbasiDaily blogs on system design, coding, and behavioral interviews, from the team behind Grokking courses on System Design and Coding Interviews. Real frameworks, real questions, and how AI is reshaping every round.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 86 | Founded | 3 months ago | Last Issue | 5 days ago |
| Active | |||||
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dglearning.substack.comLatest Issues
The Modern FAANG Interview Loop: What Each Round Tests
Many engineers prepare for FAANG interviews by focusing almost entirely on coding problems.
That approach made more sense ten years ago.
It is no longer enough.
Today’s FAANG interview process evaluates far more than your ability to solv...
What Database Indexes Actually Do (And When to Use Them)
Database indexes are one of the most frequently discussed topics in system design interviews.
They appear in conversations about scalability, performance optimization, database bottlenecks, query latency, and production troubleshooting. In...
The Complete Guide to Caching in System Design
Caching is one of the first scalability concepts engineers encounter, and it is also one of the easiest to misunderstand.
Most developers learn a simple rule early in their careers: if something is slow, add a cache. Database queries becom...
LeetCode Patterns Will Be Confusing Until You Learn This Decision Tree
Most people learn LeetCode the wrong way.
They collect problem lists.
They solve hundreds of questions.
They watch solution videos.
They memorize patterns.
Yet months later, they still open a new problem and have no idea where to start...
Sliding Window vs Two Pointers: The Difference Candidates Miss
A Practical Guide to Recognizing the Right Pattern in Coding Interviews Before You Write a Single Line of Code
If you spend enough time preparing for coding interviews, you’ll eventually encounter a confusing realization.
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Blogs on system design, coding, and behavioral interviews.
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