Ilya Brin - Software Engineer

History is written by its contributors

WireGuard: The Most Elegant VPN Ever Built

2026-05-04 9 min read Security Networking Vpn Ilya Brin

Hey, paranoid friend! 👋

WireGuard isn’t just another VPN protocol. It’s a reimagining of what network code should look like: ~4,000 lines versus 400,000 in OpenVPN. Less code = fewer vulnerabilities = smaller attack surface.

But most WireGuard articles are just “copy this config and run” tutorials. Today we’re going deep: how it works under the hood, which parameters actually matter for privacy and speed, and why Linus Torvalds called it a work of art.

Continue reading

Why Write Articles When Everything Has Already Been Written

2026-05-03 7 min read Career Ilya Brin

When I started blogging, a colleague asked me directly: “Why? Stack Overflow already has answers to everything, Medium is flooded with tutorials, and there are dozens of books on any technology. Who needs yet another blog?” I couldn’t give a clear answer back then. Now, after several years of blogging and working as an engineering manager, I can.

Spoiler: it has nothing to do with readers.

Continue reading

How to Learn Any Programming Language: Techniques and Tricks

2026-01-01 8 min read Programming Career Development

How to Learn Any Programming Language: Techniques and Tricks

Learning a new programming language can feel overwhelming. But after mastering 5+ languages, I’ve discovered that the process follows predictable patterns. Here’s a systematic approach that works for any language, whether it’s your second or your tenth.

The Meta-Skill: Learning How to Learn

The truth: Once you know one language well, learning others becomes exponentially easier.

Why?

  • Programming concepts transfer across languages
  • Syntax is just surface-level differences
  • Problem-solving skills remain constant

The 80/20 rule: 80% of programming is universal concepts, 20% is language-specific syntax.

Continue reading
Older posts