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 | 45 | Founded | a month ago | Last Issue | 3 days ago |
| Active | |||||
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dglearning.substack.comLatest Issues
Memory Allocation in Languages You Use Every Day
Most engineers write code every day without thinking about where the data lives in memory.
This is mostly fine.
Modern languages handle memory automatically, and the abstractions are good enough that you can build real systems without ev...
The Netflix Keeper Test: How Engineers Actually Get Evaluated
The keeper test is the most-cited piece of Netflix’s engineering culture and the most misunderstood.
The concept itself is simple, almost provocatively so. Netflix managers ask of every employee: “If this person told me they were leaving f...
Inside the Netflix 2026 Engineering Loop: Why It’s Different From Every Other FAANG
Netflix is the only FAANG company that interviews like it is hiring its replacement instead of its next employee.
This sounds dramatic.
It is also the most accurate way to describe how Netflix’s engineering interview process differs from...
Why “Just Do LeetCode” Is Wrong Advice in 2026 — Here’s What Works Now
The single most common piece of advice given to new FAANG candidates is “just grind LeetCode.”
This advice was largely correct from approximately 2015 through 2022.
The FAANG interview process during that period was algorithm-heavy, patt...
What Apple Looks For That Other FAANG Companies Don’t
If you treat an Apple interview like a generic FAANG interview, you will probably underperform.
The FAANG companies are often discussed as a single category, as if engineering interviews at Amazon, Google, Meta, Apple, and Netflix are cali...
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Blogs on system design, coding, and behavioral interviews.
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