Comments Should Explain Decisions, Not Repeat Code
Writing comments that preserve context instead of narrating obvious syntax.
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Logs Are Part of Code Quality
Good logs make production systems easier to support and refactor.
Database Design Is Product Design for Backend Engineers
Database structure affects product behavior, reporting, performance, and future change more than many teams expect.
Test Data Builders for Readable Tests
Making tests clearer by hiding setup noise and exposing business intent.
Mocking Less and Testing Behavior More
Mocks can help, but too many mocks turn tests into implementation snapshots.
SQL Injection Is Still a Code Review Topic
Why parameter binding, query builders, and raw SQL discipline still matter.