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System Design

Arslan Ahmad

Apr 18th, 2026

CockroachDB vs TiDB vs Spanner: Choosing a NewSQL Database for Global Scale

Same promise, very different trade-offs. A practical comparison for engineers and architects.

Coding

Arslan Ahmad

Apr 16th, 2026

FAANG Interview Prep: The Complete Guide (Coding, System Design, Behavioral)

Complete FAANG interview prep guide covering coding, system design, and behavioral rounds — with company-specific tips for Google, Meta, Amazon, Netflix, and Apple.

Behavioral

Arslan Ahmad

Apr 16th, 2026

7 Tips to Stand Out in Your System Design Interview

7 tips to stand out in a system design interview: how to frame answers, communicate trade-offs, ask clarifying questions, and avoid the mistakes interviewers flag.

Tech Interview

Arslan Ahmad

Apr 17th, 2026

How to Design a Real-Time Chat Application (WhatsApp/Slack) — System Design Interview

How to design a real-time chat app like WhatsApp: presence, message ordering, group chats, push notifications, and delivery guarantees with interview-ready trade-offs.

Latest Blogs

CockroachDB vs TiDB vs Spanner: Choosing a NewSQL Database for Global Scale

Arslan Ahmad

Apr 18th, 2026

How to Design a Real-Time Chat Application (WhatsApp/Slack) — System Design Interview

Arslan Ahmad

Apr 17th, 2026

NoSQL Databases in System Design: When to Use Them and Why

Arslan Ahmad

Apr 17th, 2026

System Design Interview Guide for Beginners: Learn Step by Step

Arslan Ahmad

Apr 17th, 2026

Top 10 System Design Interview Questions — With Detailed Answers and Frameworks

Arslan Ahmad

Apr 16th, 2026

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