Archive - Optivem Journal

Spec-Driven: When AI writes the code and the tests, green means nothing

Don't let AI invent the expected behavior. Use it to refine the requirement, then let the tests verify the code against it.

Oct 16 • Valentina Jemuović

Spec-driven development has a Markdown problem

Stop manually checking whether AI implemented your spec correctly

Oct 12 • Valentina Jemuović

Clean Architecture: How to Implement the Strategy Pattern

Where the interface lives, who owns the rules, and how it's wired

Oct 9 • Valentina Jemuović

Developers Are Becoming Code Reviewers

You wanted AI to write code — not spend all day reviewing it

Oct 6 • Valentina Jemuović

Clean Architecture: Use Cases with Command Bus

Oct 2 • Valentina Jemuović

September 2026

Why Your E2E Tests Didn't Replace Manual QA

Your team writes code faster with AI. But releases are still slow.

Sep 29 • Valentina Jemuović

Spec-Driven Development: Make Specs Enforceable with ATDD

AI can ignore your spec — it can’t ignore a failing test.

Sep 25 • Valentina Jemuović

DDD: Stop Making Your Domain a Data Bag

Your domain needs more than getters

Sep 18 • Valentina Jemuović

Slow releases. Production bugs. And you already automated.

You automated, and manual regression testing is still there. Those two facts have the same cause.

Sep 16 • Valentina Jemuović

Clean Architecture: One Class Per Use Case Is NOT Enough

Sep 10 • Valentina Jemuović

Refactoring Should NOT Touch Your Acceptance Tests

A “refactor” PR that changes the acceptance test or the DSL isn't a refactor — it's a behavioral change

Sep 3 • Valentina Jemuović

Don't Let AI Multiply Bad Tests

AI learns from the tests you already have. If those are bad, you now get bad tests much faster.

Sep 1 • Valentina Jemuović

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