DEV Community: Nikita Petrochenko

How I get a job as a Lead Developer ⚡

Nikita Petrochenko — Fri, 08 Nov 2024 15:02:18 +0000

What drove me:

I didn’t just want to code; I wanted to control the architecture, make tough calls, and be the one solving high-stakes problems instead of just catching bugs 🔥😎. I knew it was time to step up, lead, and take responsibility not only for my own work but for the whole damn team 🚀💼.

Interviews:

The tech interview? Pure chaos 💀💥. They hit me with a monster task: design an order management system with insane requirements—from caching strategies to fallback methods for service crashes 😳🔧. Every tiny detail was dissected. Then came the algo interview, where they tested optimization skills on rendering for weak hardware and slow internet. Miss a beat, lose points 😱📉.

Cons of being Lead:

Now, every mess-up, every bug, every oversight in the team? It’s on me 💀. If a project starts crashing, everyone looks at me as the one to blame 👀🔥.

The importance of cashing 💥

Nikita Petrochenko — Fri, 08 Nov 2024 14:15:35 +0000

Alright, let's break it down!

💥 Caching is like stuffing your damn fridge with leftovers 🍕 so you don't have to hit up the store every time you’re hungry 🏃‍♂️💨. When your server has to serve the same info a hundred times over, instead of working it to death, we slap that data into cache storage. Boom—your site loads faster, and you're the hero of the day 🚀😎

Now, how the hell do we pull this off in code? 💻 Say you’re using React, and you’ve got some user data you want to keep handy without spamming the API every time. Here’s how you set it up with a simple cache:

const fetchUserData = async () => {
  if (localStorage.getItem('userData')) {
    return JSON.parse(localStorage.getItem('userData'));
  } 
  const response = await fetch('/api/user');
  const data = await response.json();
  localStorage.setItem('userData', JSON.stringify(data));
  return data;
};

And here’s the kicker—cache has to stay fresh 🕑💨. You don’t want outdated junk piling up. Use a timer with setTimeout or Cache-Control headers so it auto-clears and refreshes. Keeps your server breathing, and your users aren’t stuck in the stone age 🔥💼

Happy codding ❤

How did I solve the problem when there was a LEAD? 🤯

Nikita Petrochenko — Fri, 08 Nov 2024 13:18:28 +0000

Picture this: my team’s building a site for some big-shot company, and the feature complexity? Tough as life without a damn paycheck 💸💀. We’re in the final stretch, and bam! Pure f@cking chaos hits: every time someone clicks “Update Data” or “Check Status,” the whole damn thing freezes up 😱🖥. Clients are screaming, managers look like they’re about to call it quits—and there I am, in the middle of this hellstorm, handling it like a true boss 💼🔥!

Now, as a legit Lead dev with balls of steel 💪⚙️, I know this isn’t just a bug; it’s full-on code mayhem! Ten hours of debugging, coffee overdoses, and a string of curses later, I finally pinpoint the issue. Turns out some ‘genius’ decided to load data every 5 milliseconds, choking out the server—and the whole front end along with it 🥦🤬.

So I jump into the code and refactor like a pro: requests now hit once per minute, and I throw in optimized caching (using cache-control) so the site runs smooth and fast like a turbocharged beast 🚀😎. The team’s in awe, clients are stoked, and the managers? They’re practically lifting me up like the f@cking king of code 👑🤘.

Bottom line: problem solved, project launched, and now everyone knows who the real boss is when it comes to handling code chaos 🤘👊🔥.

How did I solve the problem as a Middle? 😏

Nikita Petrochenko — Fri, 08 Nov 2024 13:13:42 +0000

Alright, picture this: my team’s in absolute f@cking chaos—the site crashes the second users try uploading profile pics 📸💥. Clients are blowing up the phones, managers are losing their minds, and everyone’s running around like headless chickens, not knowing what the hell to do 🤯🔥.

So, me—being the goddamn pro I am—realize the issue is in the file handling or caching 📂💀. I dive in and spot that these images are uploading without any compression, like elephants stampeding through a f@cking glass shop 🐘💥. The server? Yeah, it’s on its last breath under the load.

I think, “Alright, time to fix this sh*t once and for all!” 💪🚀 First, I bring in image compression before the upload—using Sharp and Compress.js to shrink those files down to size before they even hit the server. But the problem’s still hanging around, so I notice the cache isn’t updating as it should. Like the borderline genius I am, I set up automatic cache clearing after every upload (using cache invalidation and cache-control), tweaking the settings to get those client pics moving smoothly without crushing the server 🙌💻.

End result: Images load fast, the server’s breathing easy, clients are thrilled, and the managers? They’re already booking me a damn drink at the bar 🍻😎. Long story short: I saved the project and proved they’d be lost without me!

1000 Contributions 🎇

Nikita Petrochenko — Fri, 08 Nov 2024 13:11:32 +0000

Alright, listen up, you code warrior! 💥 I smashed out 1,000 commits in a year, not ‘cause I was slacking, but ‘cause I was coding like a madman—every damn day! 😤 Breakfast? Code. Dinner? F@cking code again! ☕ While the rest were chilling with their shows, I was crushing that keyboard, running on caffeine and pure insanity. 🎉 And when I hit that 1,000th commit, I partied so hard the servers felt it. 🔥