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System Design

Arslan Ahmad

Dec 31st, 2025

How to Approach Any System Design Question in a Tech Interview

Start by clarifying requirements, outline high-level design, then drill down into components. This guide teaches a repeatable 5-step method to tackle any system design problem confidently.

Coding

Arslan Ahmad

Dec 31st, 2025

Complete Beginner’s Guide to Acing Coding Interviews in 2025

Just starting out? This beginner’s guide explains how to prepare for coding interviews from scratch – learn problem-solving strategies, essential topics, and tips for 2025’s interview landscape.

Behavioral

Arslan Ahmad

Dec 31st, 2025

5 Common Interview Mistakes

Avoid these 5 Common Interview Mistakes

Tech Interview

Arslan Ahmad

Jan 7th, 2026

System Design Prep 2025: HelloInterview's Guides vs. The Original Grokking Course

DesignGurus.io vs. HelloInterview: Which platform wins in 2026? We compare the Grokking series against HelloInterview’s rapid guides to help you choose the right prep for your backend career.

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