UmurInan
Engineering Practices Topic

Engineering Practices

These posts are about the habits and conventions that separate a team that ships from a team that talks about shipping. Reviews that catch defects, PRs that fit in a brain, tests that mean something, and knowing when 'good enough' is the right call.

Thinking

Posted on May 22, 2026

AI Code Review Is Mostly Noise

AI code reviewers are the hot dev-tool category of 2026. After months of real use on a review queue, the signal-to-noise ratio is bad. Here are the numbers.

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Thinking

Posted on May 16, 2026

Your AI Coding Speedup Is Not What You Think

AI coding tools promise a 10x speedup. After a year of daily Claude Code use, the real number on a real codebase is closer to 1.5x. Here is what I measure.

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Practices

Posted on May 8, 2026

The Test That Passes When Prod Is Broken

Your unit tests are mostly testing your mocks. When the mock drifts from the real dependency, tests pass and prod breaks. The fix is harder than it looks.

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Devops

Posted on May 7, 2026

Your Logs Are a Pile, Not a System

Log levels exist for a reason. Most codebases ignore the reason, log everything at INFO, then wonder why the logs are useless during an actual incident.

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Practices

Posted on Apr 30, 2026

Nobody Reads a 1,000-Line Diff

The math on PR review quality is brutal. Past 400 lines, defect detection collapses, approvals get rubber-stamped, and your review process is theatre.

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Practices

Posted on Apr 11, 2026

Good Enough Is a Strategy

In engineering, perfectionism is often procrastination disguised as craftsmanship. Shipping an 80% solution and iterating beats a perfect solution shipped late.

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Practices

Posted on Apr 3, 2026

Premature Abstraction Is Worse Than Duplication

DRY is right, but not yet. Three identical code blocks are better than one wrong abstraction that fights you for months. Wait until the pattern is obvious.

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Thinking

Posted on Mar 31, 2026

The Senior Engineer's Job Is to Say No

Knowing what not to build is more valuable than knowing how to build it. The hardest skill I learned as a senior engineer had nothing to do with code.

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Devops

Posted on Mar 29, 2026

The Deploy That Took Down Friday

Friday deploys have a reputation for a reason. Here's why they go wrong, what guardrails actually help, and when it's okay to ship on a Friday anyway.

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Thinking

Posted on Mar 22, 2026

Why Most Technical Debates Don't Matter

Tabs vs spaces. REST vs GraphQL. Monolith vs microservices. Some technical debates matter, but most don't. Here's how I tell the difference after a decade.

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Practices

Posted on Feb 12, 2026

Git Best Practices for Modern Engineering Teams

A visual guide to Git branching: staging vs production setups, GitFlow vs Trunk-Based Development, and the commands that matter, with diagrams and examples.

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