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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.
What separates a strong senior engineer from a harmful “architecture philosopher”

What separates a strong senior engineer from a harmful “architecture philosopher”

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February 16, 2026 · 1 min · 2 words · Maxim Zhirnov
Code Ownership or Code Fiefdoms? When Responsibility Turns into Territory

Code Ownership or Code Fiefdoms? When Responsibility Turns into Territory

In medieval times, lords ruled their fiefdoms with an iron fist. They had absolute authority over their territories, decided who could enter, what could be built, and who could leave. Fast forward to the modern software engineering era, and you might find something eerily similar lurking in your codebase—except instead of castles and moats, we have pull requests, code reviews, and firmly guarded repositories. Code ownership is supposed to be a good thing....

February 16, 2026 · 13 min · 2675 words · Maxim Zhirnov
Side Projects That Actually Grow Your Skills Instead of Just Filling GitHub

Side Projects That Actually Grow Your Skills Instead of Just Filling GitHub

The GitHub Graveyard: Why Most Side Projects Fail Let’s be honest—your GitHub is probably littered with half-finished projects that seemed like brilliant ideas at 11 PM on a Tuesday. A repo with a README that says “TODO: add documentation,” three commits from last year, and approximately zero stars. We’ve all been there. The project started with enthusiasm, but somewhere between week two and month three, it quietly died on the vine....

February 15, 2026 · 10 min · 1948 words · Maxim Zhirnov
The Worship of Seniority: Why Some Seniors Block Progress

The Worship of Seniority: Why Some Seniors Block Progress

Let’s talk about the elephant in the conference room—the one that’s been sitting there since 2005 and absolutely refuses to learn Slack. I’m not talking about older workers themselves. I’m talking about the organizational pathology that treats seniority as a substitute for judgment, experience as an excuse for inflexibility, and tenure as immunity from accountability. It’s a disease that quietly kills innovation, poisons team dynamics, and—here’s the kicker—actually harms the very people it claims to protect....

February 15, 2026 · 8 min · 1701 words · Maxim Zhirnov
Pragmatic Observability on a Budget: Mastering Metrics, Logs, and Traces Without Breaking the Bank

Pragmatic Observability on a Budget: Mastering Metrics, Logs, and Traces Without Breaking the Bank

I remember the day our production system went down at 2 AM. Our CEO asked, “What happened?” and I had three options: look at dashboards that showed nothing useful, dig through terabytes of logs with grep, or pray. Spoiler alert: I prayed. And that’s when I realized we’d been doing observability all wrong. Fast forward to today, and observability has become the holy grail of modern engineering. But here’s the dirty secret vendors won’t tell you: you don’t need a six-figure annual contract with a SaaS platform to have decent observability....

February 14, 2026 · 15 min · 3143 words · Maxim Zhirnov