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Design Gurus' Blog - Expert Tips for Interviews

Database Indexes Are Not Free: The Read, Write, and Storage Trade-offs You Need to Know

The Hidden Cost of Database Indexes, Explained From How They Work to How to Decide When One Is Worth Adding

Design Gurus' Blog - Expert Tips for Interviews

Mock Interview Practice for Engineers: 3 Formats + a Readiness Checklist

Master your technical interviews with our comprehensive guide on mock interview practice for engineers. Boost confidence and refine skills now!

Design Gurus' Blog - Expert Tips for Interviews

Best System Design Courses (An Honest Comparison)

The best system design courses compared: Grokking, ByteByteGo, Alex Xu's books, Educative, and free resources — with pricing, depth, and who each one is for.

Design Gurus' Blog - Expert Tips for Interviews

System Design for Beginners: Where to Start When You Know Nothing

New to system design? Start here. The 5 concepts to learn first, the 3 mistakes to avoid, and a clear path from zero to interview-ready in 8 weeks.

Design Gurus' Blog - Expert Tips for Interviews

Best System Design Resources on GitHub (2026 Guide)

A curated guide to the best free system design resources on GitHub: the top repositories, what each one is good for, and where GitHub's free material stops being enough.

Design Gurus' Blog - Expert Tips for Interviews

Is There a Grokking System Design PDF? What You Should Know

Looking for a Grokking System Design PDF? Here's the honest answer on whether an official one exists, why the copies online are outdated, and where to learn it the right way.

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