---
title: "Egor Kaleinik (@egorkaleynik) | Hashnode"
description: "Tech content producer, marketing strategist, and AI enthusiast. Read the latest articles by Egor Kaleinik on Hashnode."
url: "https://hashnode.com/@egorkaleynik"
---

@egorkaleynik

# Egor Kaleinik

@egorkaleynik · Toruń, Poland · Joined November 2024

Tech content producer, marketing strategist, and AI enthusiast

[Website](https://sites.google.com/view/half-glass-fullstack)

### [Beyond firewalls: How DevSecOps reinvents SaaS API security](https://techandbeyond.hashnode.dev/beyond-firewalls-how-devsecops-reinvents-saas-api-security?utm_source=hashnode&utm_medium=feed)

The rising security challenges in SaaS: Why it’s time to rethink your defense SaaS security isn’t what it used to be. The game has changed, and so have the threats. Attacks are getting faster, smarter, and more ruthless — just look at the numbers. Ac...

14 min read · [techandbeyond.hashnode.dev](https://techandbeyond.hashnode.dev/beyond-firewalls-how-devsecops-reinvents-saas-api-security?utm_source=hashnode&utm_medium=feed)

[Jan 29, 2025](https://hashnode.com/posts/beyond-firewalls-how-devsecops-reinvents-saas-api-security/679a1684e545b2eb41b41e47)

### [The Ultimate Guide to DevOps Tools in 2025](https://techandbeyond.hashnode.dev/the-ultimate-guide-to-devops-tools-in-2025?utm_source=hashnode&utm_medium=feed)

Why DevOps Tools Matter in 2025 The Engine of Innovation The modern software landscape moves at breakneck speed. Releases aren’t quarterly milestones anymore — they’re daily occurrences. With continuous delivery pipelines humming along and infrastruc...

25 min read · [techandbeyond.hashnode.dev](https://techandbeyond.hashnode.dev/the-ultimate-guide-to-devops-tools-in-2025?utm_source=hashnode&utm_medium=feed)

[Nov 18, 2024](https://hashnode.com/posts/the-ultimate-guide-to-devops-tools-in-2025/673ba3ffb229c73e5d87a1d3)