Best Practices for Effective Code Reviews

July 22, 2025 by Jerish Balakrishnan


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Code reviews are an integral part of the software development process. They help to maintain code quality, foster knowledge sharing, and build a collaborative team culture. However, conducting effective code reviews requires a clear understanding of the best practices involved.

Why Code Reviews?

Code reviews involve checking another developer's code for mistakes, understanding the code's functionality, and ensuring it adheres to the team's coding standards. It helps to prevent bugs from entering the system, thus maintaining the overall quality of the software.

Best Practices for Code Reviews

1. Review Small Changes

Reviewing small changes at a time can help in understanding the code better and catching any potential issues. Large code changes are often challenging to review and may lead to missing critical errors.

2. Provide Constructive Feedback

Feedback should be constructive and focused on the code, not the coder. The aim should be to improve the code and foster a positive working relationship within the team.

3. Use a Linting Tool

Linting tools can automate the process of checking for basic coding errors, allowing reviewers to focus on more complex issues and logic.

4. Discuss in Person (or Video Call)

If a piece of code sparks a lot of discussion or confusion, it's often better to discuss in person or via a video call. This helps to avoid miscommunication and resolve the issue more quickly.

Conclusion

Effective code reviews are a keystone of high-quality software development. They not only help in maintaining code quality but also foster a collaborative and learning environment within the team. Remember, the goal of a code review is to improve the code, and ultimately, the product.