Archive - Optivem Journal

The Biggest Bottleneck In Development Isn't Coding

Faster code without guardrails makes delivery slower

2 hrs ago • Valentina Jemuović

One Build, One Deploy Script, Many Environments

What we TESTED is what we SHIP

Jun 19 • Valentina Jemuović

Feature Branching Is NOT a Strategy

If your branches outlive the day — you have a backlog of merge conflicts.

Jun 16 • Valentina Jemuović

Hexagonal Architecture: Why I Don't Abstract the Database for Swappability

Misconception: “Repository interfaces exist so databases can be swapped”

Jun 12 • Valentina Jemuović

Writing code is cheap. Maintaining it is where the cost accumulates.

Everything went fast in the first sprints. But suddenly, as time went on, it took longer and longer to make a change. How to solve this?

Jun 9 • Valentina Jemuović

TDD: Do NOT implement all behaviors at once

Jun 5 • Valentina Jemuović

Batch Integration Is NOT CI/CD

Stop calling it CI/CD if you merge once a week

Jun 2 • Valentina Jemuović

May 2026

Clean Architecture: Controllers Should NOT Catch SQL Exceptions

Error Handling - API layer

May 29 • Valentina Jemuović

Build + Deploy Is NOT a Pipeline

Most teams *think* they have a pipeline.

May 26 • Valentina Jemuović

DRY is not about *code duplication*

DRY (Don't Repeat Yourself)

May 21 • Valentina Jemuović

Jenkins is *not* CI

(Continuous Integration)

May 18 • Valentina Jemuović

Hexagonal Architecture: The “Microservices First” Mistake

The Distributed Monolith Trap

May 15 • Valentina Jemuović

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