How to Keep Your Code Clean During Rapid Development

Intense project iterations forced the team to work on the same microservice, leading to rushed code reviews where most changes were approved without thorough inspection.

This caused a disconnect between design and implementation, loss of ownership, and anxiety about potential production issues.

To address this, the author now commits to carefully reviewing completed features, documenting issues, and discussing them with the author to ensure shared understanding of business logic.

They emphasize the importance of maintaining clean code, citing the "Scout rule" from Clean Code : leave the camp cleaner than you found it, which can be as simple as renaming a variable, splitting a long function, or removing duplicate code.

Common code smells observed in the team include overly fat controllers that contain validation, business logic, and data access; methods with many parameters, many of which are null; and unnecessary code inside transactions, such as remote calls.

The "broken‑window effect" in software development means that low‑quality code or design, if not promptly fixed, encourages other developers to adopt the same poor practices, gradually degrading the system’s maintainability and extensibility.

Martin Fowler explains that each refactoring step is simple—moving a field between classes, extracting code into a new function, or pushing code up or down the inheritance hierarchy—but accumulated small changes can dramatically improve design quality.

An example of micro‑refactoring is shown: a bulky function was split into three classes, each with a single responsibility, illustrating proper object‑oriented design.

Readability should be prioritized over cleverness; consistent coding style and incremental refactoring are essential for long‑term maintainability.