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My name is Maksim Zhirnov. I’m a Growth Marketing Expert & MarTech Engineer. I help tech companies scale through data-driven marketing strategies, powered by my engineering background. I love building marketing systems that drive growth and sharing insights on the intersection of technology and customer acquisition.
Why Your Code Shouldn't Always Be DRY: A Practical Guide to Knowing When to Break the Rules

Why Your Code Shouldn't Always Be DRY: A Practical Guide to Knowing When to Break the Rules

If you’ve been in programming for more than five minutes, you’ve probably heard the sacred mantra: “Don’t Repeat Yourself”. It’s treated like the holy scripture of code quality, whispered in code reviews, preached in bootcamps, and invoked by developers everywhere like some sort of software incantation. But here’s the thing—and I say this with all the love in my heart for clean code—dogmatically following DRY might be one of the most effective ways to create a maintenance nightmare....

November 29, 2025 · 11 min · 2255 words · Maxim Zhirnov
The Importance of Semantic Versioning in Software Releases

The Importance of Semantic Versioning in Software Releases

Why Your Version Numbers Matter More Than You Think If you’ve ever wondered why some developers break out in hives when they see a version jump from 1.2.3 to 1.2.4, or why others celebrate like they won the lottery when they get to bump a major version, you’re about to discover the secret language of software versioning. It’s not magic—it’s Semantic Versioning, and it might just be the most underrated practice in modern software development....

November 28, 2025 · 8 min · 1593 words · Maxim Zhirnov
Digital Ghost Towns: The Coming Collapse of Metaverse Platforms

Digital Ghost Towns: The Coming Collapse of Metaverse Platforms

Remember when everyone insisted the metaverse was the inevitable future? When venture capitalists were literally throwing money at anyone who could string together “virtual,” “immersive,” and “Web3” in a sentence? Yeah. About that. What we’re witnessing isn’t just a market correction or a seasonal dip in user engagement. We’re watching the spectacular, slow-motion implosion of one of tech’s most audacious bets—and honestly, it’s equal parts tragic and darkly entertaining. Meta alone has hemorrhaged over $60 billion into this digital frontier, while platforms that were supposed to be the next Facebook are turning into something closer to digital Chernobyl exclusion zones, minus the fascinating historical significance....

November 28, 2025 · 11 min · 2269 words · Maxim Zhirnov
Building High-Performance Distributed Caching in Go with Ristretto

Building High-Performance Distributed Caching in Go with Ristretto

If you’ve ever found yourself in that delightful situation where your application is drowning in database queries faster than a programmer can say “have you tried turning it off and on again,” then buckle up—we’re about to talk about one of Go’s most underrated performance superpowers: Ristretto. Let me be honest with you: most Go developers I’ve met either don’t know about Ristretto or think it’s some fancy Italian espresso machine (which, fair play, the name doesn’t help)....

November 27, 2025 · 11 min · 2152 words · Maxim Zhirnov
The Unexpected Wins: Why Your Dusty Legacy Systems Might Be Your Secret Competitive Advantage

The Unexpected Wins: Why Your Dusty Legacy Systems Might Be Your Secret Competitive Advantage

If you’re reading this, you’ve probably had someone in your organization justify keeping that ancient COBOL system or those Pentium-era servers gathering dust in the data center corner. You’ve heard it called “technical debt,” “a necessary evil,” or—my personal favorite—“we’ll migrate it next quarter” (we both know that never happens). But what if I told you that your legacy systems might actually be doing you favors? Not in a magical, free-lunch kind of way, but in real, measurable, economically justifiable ways that the modernization evangelists won’t tell you about?...

November 27, 2025 · 9 min · 1839 words · Maxim Zhirnov