A Senior Engineer’s Guide to the System Design Interview

Developed by the best interviewers in the industry, from their experience with thousands of technical interviews.

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Advice to Aimless, Excited Programmers

I occasionally see messages like this from aimless, excited programmers.

The lone developer problem

If a single programmer builds something, it can be hard for others to maintain later.

How to contribute to a project you have no idea about

How I've contributed to Bun, a huge project that is written in a language I don't understand, and does stuff that I've never worked on. And what work framework I use to work on projects like that.

How DoorDash Designed a Successful Write-Heavy Scalable and Reliable Inventory Platform

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Forth: The programming language that writes itself

When I was a wee programmer, I would sit around the virtual Usenet campfires listening to the tall tales and legends of the elders.

Password strength explained

I try to explain how attackers would guess your password, should they get their hands on your encrypted data. There are some thoughts on the strength of real-world passwords and suggestions for your new password.