Archive - Optivem Journal

SOLID: Stop Overloading Your Service Classes

Single Responsibility Principle (SRP)

Mar 13 • Valentina Jemuović

“If you think good architecture is expensive, try bad architecture.”

(—Brian Foote and Joseph Yoder)

Mar 10 • Valentina Jemuović

Stop Writing Fragile Gherkin

The Gherkin maintenance nightmare and how to solve it

Mar 6 • Valentina Jemuović

February 2026

DDD + Clean Architecture: Stop Putting Business Logic in the Application Layer

Your Clean Architecture isn’t clean if the domain is empty

Feb 27 • Valentina Jemuović

TDD: No Test? No Implementation.

Test the Requirement First

Feb 23 • Valentina Jemuović

Hexagonal Architecture: Do NOT mock everything

Stop Mocking. Start Using Fakes, Stubs, and Spies.

Feb 19 • Valentina Jemuović

TDD: Test the API, NOT the world

Write fast and deterministic tests

Feb 13 • Valentina Jemuović

Developer vs QA: Regression Bug Ping-Pong

From “It worked” to “Nothing works as expected”

Feb 10 • Valentina Jemuović

8-Step Human–AI Code Review

AI-Powered Code Review

Feb 6 • Valentina Jemuović

January 2026

Which One Actually Drives Design?

Jan 29 • Valentina Jemuović

Hotfix — Friday Afternoon

Why last-minute hotfixes ruin weekends — and how to avoid them.

Jan 27 • Valentina Jemuović

Clean Architecture: Use Cases Are NOT Services

Jan 22 • Valentina Jemuović

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