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So You Think You’re Doing Hexagonal Architecture?
What goes in each folder?
 • Valentina Jemuović

December 2025

What I’d Stop Doing in 2026 (As a Tech Lead)
The habits I’d leave behind in 2025
 • Valentina Jemuović
Fluent DSL for Acceptance Tests: No More Typos, No More Try/Catch
Tests failed for all the wrong reasons—like typos
 • Valentina Jemuović
Clean Architecture: The Dependency Rule Isn’t Optional
Why your domain logic keeps breaking (and how to fix it)
 • Valentina Jemuović
CEOs Are Blinded by the AI Hype
CEOs think AI will speed up delivery by speeding up coding. But speed of coding is *not* the real bottleneck!
 • Valentina Jemuović
TDD: Unit Tests - Backend (user-side API)
Unit tests define *what* are the outcomes of business logic, not *how* it is implemented.
 • Valentina Jemuović
Clean Code is useless without Tests
A decade ago, I saw tests as second-class citizens. I focused on elegant architecture and design. Then I realized I was wrong.
 • Valentina Jemuović
Programming: No Pain == No Change
Slow QA cycles and bugs feel “normal”—until you see a better way.
 • Valentina Jemuović

November 2025

Modern Hexagonal Architecture: Testing for Backend
How can we test the Backend?
 • Valentina Jemuović
ATDD: 90% test automation with AI
“We spent so much time on maintenance when using Selenium, and we spend nearly zero time with maintenance using testRigor.” - Keith Powe, VP of…
 • Valentina Jemuović
E2E Tests are dangerous
Many companies try to replace Manual QA by E2E Tests. The result? Disaster.
 • Valentina Jemuović
TDD: High Coupling vs. Low Coupling Tests
When writing tests, it’s not enough to “just have tests.”
 • Valentina Jemuović
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