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Aleksei Aleinikov

My interests range from building complex algorithms and designing high-performance systems to applying AI to solve real-world challenges.

Location Thessaloniki, Greece Joined Joined on  Personal website https://www.alekseialeinikov.com

Work

DevSecOps

🧱 Building React apps in 2025? Your architecture matters more than ever.
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🧱 Building React apps in 2025? Your architecture matters more than ever.

#frontend #react #javascript
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1 min read
🚨 Ever wonder how Google actually finds what you’re searching for in milliseconds?
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🚨 Ever wonder how Google actually finds what you’re searching for in milliseconds?

#programming #google #search #googlesearch
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🛡️ Auditd vs eBPF: The Battle for Linux Monitoring Supremacy
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🛡️ Auditd vs eBPF: The Battle for Linux Monitoring Supremacy

#linux #ubuntu #archlinux #sre
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🛠️ Tired of microservice madness?
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🛠️ Tired of microservice madness?

#devops #kubernetes #microservices #cloud
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🔢 What Does 1.0.0 Really Mean?
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🔢 What Does 1.0.0 Really Mean?

#python #backend #programming #cleancode
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🔧 Fix Git Mistakes Like They Never Happened
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🔧 Fix Git Mistakes Like They Never Happened

#git #github #gitlab #githubactions
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🐳 Docker Compose Tricks You Wish You Knew Sooner
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🐳 Docker Compose Tricks You Wish You Knew Sooner

#docker #devops #cicd #programming
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1 min read
🔥 React Interview Challenge: Race Conditions & Real-World State Bugs
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🔥 React Interview Challenge: Race Conditions & Real-World State Bugs

#react #frontend #frontendchallenge
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1 min read
🚀 CI/CD in 2025: Build Faster, Deploy Safer 🔐
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🚀 CI/CD in 2025: Build Faster, Deploy Safer 🔐

#devops #cicd #git #kubernetes
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🕸️ Why Web Scraping in Python Is a Must-Have Skill in 2025 🐍
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🕸️ Why Web Scraping in Python Is a Must-Have Skill in 2025 🐍

#web #python #programming #dataengineering
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⚛️ Level Up Your React in 2025: One Curry at a Time 🍛
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⚛️ Level Up Your React in 2025: One Curry at a Time 🍛

#react #frontend #webdev #programming
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1 min read
🧩 JavaScript’s localeCompare() in 2025 — Stop Sorting Strings the Wrong Way
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🧩 JavaScript’s localeCompare() in 2025 — Stop Sorting Strings the Wrong Way

#webde #javascript #frontend #react
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1 min read
🧠 Go Scheduler in 2025: Still Smarter Than Your Thread Code
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🧠 Go Scheduler in 2025: Still Smarter Than Your Thread Code

#go #backend #programming
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1 min read
🧊 Go in 2025: Simulating Const for Slices and Maps
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🧊 Go in 2025: Simulating Const for Slices and Maps

#go #programming #webdev
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1 min read
🚿 Data Cleaning in Python, 2025 Edition
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🚿 Data Cleaning in Python, 2025 Edition

#datascience #python #pandas #dataengineering
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🚀 UV is the fastest Python package manager of 2025 — and it’s written in Rust!
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🚀 UV is the fastest Python package manager of 2025 — and it’s written in Rust!

#python #rust #backend #backenddevelopment
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🧠 Ever wondered how useReducer actually works under the hood?
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🧠 Ever wondered how useReducer actually works under the hood?

#react #javascript #frontend #reactjsdevelopment
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😩 React in 2025: Still Painful?
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😩 React in 2025: Still Painful?

#react #webdev #frontend
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🚪 I Quit Nest.js in 2025 — And I Don’t Regret It
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🚪 I Quit Nest.js in 2025 — And I Don’t Regret It

#nestjs #javascript #webdev #backend
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🧠 Front-End Simplification in 2025
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🧠 Front-End Simplification in 2025

#frontend #javascript #vue #webdev
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☠️ C-Level Crash in Python? Here's What to Do in 2025
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☠️ C-Level Crash in Python? Here's What to Do in 2025

#python #c #programming #backend
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🔥 The React Ecosystem in 2025: What’s Hot, What’s Not
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🔥 The React Ecosystem in 2025: What’s Hot, What’s Not

#react #javascript #programming #webdev
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1 min read
🚀 How to Build a Mini Async Framework in Python (2025 Edition)
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🚀 How to Build a Mini Async Framework in Python (2025 Edition)

#python #framework #async #programming
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🔥 Why Nuxt Is Still a Top-Tier Meta-Framework in 2025
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🔥 Why Nuxt Is Still a Top-Tier Meta-Framework in 2025

#vue #javascript #webdev #nuxt
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🔥 Master tsconfig.json Like a Pro in 2025
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🔥 Master tsconfig.json Like a Pro in 2025

#typescript #javascript #development #webdev
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1 min read
🔥 Logging in Node.js? Don’t Sleep on Pino.
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🔥 Logging in Node.js? Don’t Sleep on Pino.

#javascript #node #npm
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1 min read
🚀 Want to Stand Out on LinkedIn in 2025? Read This First.
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🚀 Want to Stand Out on LinkedIn in 2025? Read This First.

#linkedin #career #careerdevelopment #hiring
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1 min read
🧠 Build Your First Chrome Extension in 2025 — With Just Vanilla JS!
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🧠 Build Your First Chrome Extension in 2025 — With Just Vanilla JS!

#javascript #programming #extensions #webdev
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🔍 Python Weak References in 2025 — Clean Memory Management, Smarter Apps
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🔍 Python Weak References in 2025 — Clean Memory Management, Smarter Apps

#python #backend #backenddevelopment #programming
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🧪 Pytest in 2025: The Only Testing Guide You’ll Ever Need
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🧪 Pytest in 2025: The Only Testing Guide You’ll Ever Need

#python #test #testing #pytest
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🧠 Python Memory in 2025: Still Smart — But Needs Your Help Sometimes
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🧠 Python Memory in 2025: Still Smart — But Needs Your Help Sometimes

#python #programming #beginners #backenddevelopment
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⏱️ Timers in React (2025 Edition): Don’t let your app leak memory or miss updates!
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⏱️ Timers in React (2025 Edition): Don’t let your app leak memory or miss updates!

#react #web #frontend #webdev
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1 min read
⌚️ Apple Watch Series 10: Bigger, Thinner, Smarter. But is it worth the hype?
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⌚️ Apple Watch Series 10: Bigger, Thinner, Smarter. But is it worth the hype?

#ios #mobile #apple #watch
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🚀 LLMs are getting huge. But do we need all that firepower all the time?
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🚀 LLMs are getting huge. But do we need all that firepower all the time?

#ai #llm #machinelearning #moe
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✍️ Writers, You’re Sitting on Instagram Gold. Here’s How to Cash In.
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✍️ Writers, You’re Sitting on Instagram Gold. Here’s How to Cash In.

#writing #beginners #income #writers
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🧠 How to Prevent Out-Of-Memory Crashes in Node.js (Even with 50MB RAM)
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🧠 How to Prevent Out-Of-Memory Crashes in Node.js (Even with 50MB RAM)

#javascript #node #devops #docker
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🕰️ A Return to the Digital Middle Ages?
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🕰️ A Return to the Digital Middle Ages?

#bigdata #programming #futurechallenge #freedom
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🔋 The Ultimate Battery Test in 2025: iPhone 14 16 Pro Max + Galaxy S25
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🔋 The Ultimate Battery Test in 2025: iPhone 14 16 Pro Max + Galaxy S25

#ios #iphone #mobile #macbook
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⚙️ RxPY: A Practical Guide to Reactive Streams in Python
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⚙️ RxPY: A Practical Guide to Reactive Streams in Python

#programming #webdev #tutorial #coding
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🌟 Free Habit & Mood Tracker — Track your 2025 like a pro with Google Sheets
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🌟 Free Habit & Mood Tracker — Track your 2025 like a pro with Google Sheets

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🚀 Want to make your Python 4x faster?
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🚀 Want to make your Python 4x faster?

#python #performance #devtips #extensions
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🏢💡 Want to see how AI really works in enterprise automation?
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🏢💡 Want to see how AI really works in enterprise automation?

#ai #python #automation #sqlite
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🚀 Tired of repetitive tasks? Want to automate your workflow like a pro?
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🚀 Tired of repetitive tasks? Want to automate your workflow like a pro?

#python #automation #devtools #pythontips
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🛠️ Top DevOps Tools for Efficient Workflows in 2025
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🛠️ Top DevOps Tools for Efficient Workflows in 2025

#devops #cicd #kubernetes #terraform
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1 min read
🚀 Kyuubi + Apache Spark: Big Data, Smarter Execution
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🚀 Kyuubi + Apache Spark: Big Data, Smarter Execution

#apachespark #apachekyuubi #bigdata #devops
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🌀 Regex Trick: Simulating a "Loop" Without Lookaheads or Scripting
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🌀 Regex Trick: Simulating a "Loop" Without Lookaheads or Scripting

#regex #python #programming #webdev
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🚀 GitOps & Argo CD in 2025: Automate Your Kubernetes Deployments Like a Pro
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🚀 GitOps & Argo CD in 2025: Automate Your Kubernetes Deployments Like a Pro

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🎨 The Future of CSS in 2025: What’s Changing and Why It Matters
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🎨 The Future of CSS in 2025: What’s Changing and Why It Matters

#css #webdev #javascript #frontend
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🧠 How a Deep Learning Framework Actually Works (From-Scratch PyTorch Clone)
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🧠 How a Deep Learning Framework Actually Works (From-Scratch PyTorch Clone)

#machinelearning #pytorch #deeplearning #python
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🛡️ SAST & DAST in GitLab CI/CD: Automate Your App Security the Smart Way
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🛡️ SAST & DAST in GitLab CI/CD: Automate Your App Security the Smart Way

#devsecops #devops #security #automation
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⚙️ TypeScript Got 10 Faster in 2025 — Thanks to Go?!
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⚙️ TypeScript Got 10 Faster in 2025 — Thanks to Go?!

#typescript #go #webdev #buildtools
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🐼 Pandas Too Slow? Try These Fast Python Libraries for Data Analysis
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🐼 Pandas Too Slow? Try These Fast Python Libraries for Data Analysis

#python #dataengineering #pandas #bigdata
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🧠 Go 1.24 Just Got Weak Pointers — Here’s What That Actually Means
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🧠 Go 1.24 Just Got Weak Pointers — Here’s What That Actually Means

#go #memorymanagement #garbagecollector #performance
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💻 M4 Pro vs. M4 Max vs. M3 Pro: Which MacBook Should You Buy in 2025?
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💻 M4 Pro vs. M4 Max vs. M3 Pro: Which MacBook Should You Buy in 2025?

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🐍 PostgreSQL + Python = Absolute Power: Meet PL/Python
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🐍 PostgreSQL + Python = Absolute Power: Meet PL/Python

#python #postgres #database #backend
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⚡ How to Speed Up Python in Kubernetes: Caching, CDN & Dirty Tricks
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⚡ How to Speed Up Python in Kubernetes: Caching, CDN & Dirty Tricks

#python #kubernetes #devops #performance
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🚀 How I Build Reliable and Scalable Python Services in 2025 (Real Lessons Learned)
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🚀 How I Build Reliable and Scalable Python Services in 2025 (Real Lessons Learned)

#python #microservices #backend #architecture
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🧠 Why Python Dictionaries Can Secretly Ruin Your Codebase (and What To Do Instead)
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🧠 Why Python Dictionaries Can Secretly Ruin Your Codebase (and What To Do Instead)

#python #dataclass #pydantic #softwareengineering
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🌍 Multilingual React Made Easy: German & Spanish Support in Next.js 🇩🇪🇪🇸
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🌍 Multilingual React Made Easy: German & Spanish Support in Next.js 🇩🇪🇪🇸

#react #nextjs #programming #automation
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🚀 Tired of Fixing Comment Style in Code Reviews? Automate It!
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🚀 Tired of Fixing Comment Style in Code Reviews? Automate It!

#python #automation #devtools #programming
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