Code review is a crucial stage in software development that promotes collaboration, guarantees the code’s quality, and yields effective outcomes. The importance of code review for Quality Assurance (QA), development support, best practices, and how it helps businesses will all be covered in great detail in this article.

Developers on the Team

The developers on the team are crucial to the process of code review. Thanks to their knowledge, perspectives, and collaborative efforts, they are essential for ensuring that code modifications are carefully examined, and any potential issues are found. By actively participating in code reviews, which enhance the code’s quality and aid in forming a solid development team, developers can support a culture of continuous improvement.

Why Review Code?

Better team communication and higher code quality are the two main benefits of code reviews. Code review is a crucial step that assists in identifying and fixing issues, makes sure that coding standards are followed, and enhances the codebase. Developers can learn from one another by sharing constructive criticism, participating in code review discussions, exchanging information, and working together to finish a project successfully. Teams that recognize the value of code review as a critical step in the web development technology process are better able to produce high-quality, dependable software solutions that meet and exceed client expectations.

Testing to Improve Code Quality

Because testing helps to assure the quality of the code and the overall dependability of the finished product, it is an essential phase in the software development process. It routinely examines the code’s compliance with the conditions and intended behavior. Effective testing can help identify and repair defects, boosting developer confidence in the software. The key points highlighting the significance of testing are:

  • Detecting and avoiding bugs
  • Code Quality Control
  • Review of the Requirements
  • Assessment of Performance and Scalability
  • User-friendliness and Usability
  • Testing for security and vulnerabilities
  • Testing for Regression
  • Automated Efficiency Testing
  • Testing and Documentation
  • The CI/CD (Continuous Integration and Continuous Delivery)

General Principles of Code Review

Making sure that reviews are conducted thoroughly and constructively is the most crucial part of the general principles of code review. By adhering to these principles, code review becomes an invaluable practice that enhances code quality, identifies potential issues, and promotes continuous improvement within the development team.

The guiding principles are as follows:

  • Giving detailed and helpful criticism.
  • concentrating on both the code’s functional and non-functional aspects.
  • keeping a respectful and cooperative attitude throughout the review process.

By adhering to these guidelines, development teams can foster a collaborative environment where developers feel inspired to share their expertise, gain from one another, and jointly contribute to the project’s success. Code review becomes a potent tool for QA and development support by applying these principles, driving code excellence, and encouraging a cohesive, high-performing team.

Looking for professional QA testers?

Contact Us

GitLab Merge Request as a Tool for Code Review

GitLab Merge Request emerges as a critical tool in software development to streamline the code review procedure and assist Quality Assurance (QA) and development endeavors. Developers can propose code changes, participate in helpful discussions, and ensure seamless code integration into the main codebase on this practical GitLab feature. Let us examine the role GitLab Merge Request plays in the significance of code review for QA and development support:

  • Code Review Collaboration
  • Feedback and Improvement
  • Transparency and Accountability support teams.
  • Version Control Integration
  • Testing and Continuous Integration
  • Structured Review Workflow
  • Assigning Reviewers
  • Collaborative Problem-Solving
  • Continuous Improvement
  • Codebase Management

Regarding the value of code review for QA and development support, GitLab Merge Request is crucial. This tool enables development teams to deliver high-performing, dependable software products that meet the expectations of both clients and end users by fostering collaboration, offering timely feedback, and guaranteeing code quality. GitLab Merge Request establishes itself as a priceless resource for teams aiming to excel in the fast-paced world of software development thanks to the seamless integration of testing and a structured review process.

The course of Actions When Working with Merge Requests

A clear and effective action plan when working with merge requests can greatly speed up the code review procedure for both QA and development support. The most crucial step is creating a well-organized workflow that guarantees thorough code analysis, prompt feedback, and seamless code integration.

Development teams can maintain code consistency, improve collaboration, and produce high-quality software by adhering to clearly defined procedures. This entails selecting pertinent reviewers, prioritizing high-impact changes, and improving code in response to feedback. With a structured approach to Merge Requests, development teams can make the most of the code review process, driving code quality and fostering a productive and cooperative team environment.

“Error 500”. What to Do When a GitLab Merge Request Doesn’t Work

Working with a GitLab Merge Request can be intimidating when you receive a “Error 500” message, but you must respond quickly and skillfully. Developers and QA testers must take a systematic approach to troubleshooting and resolving the issue when it arises. Following are the steps to take if a GitLab Merge Request fails:

  • Stay Calm and Document
  • Check Server Status
  • Review Code Changes
  • Rollback Changes
  • Test Locally
  • Use GitLab’s Debugger
  • Consult Documentation and Community
  • Seek Team Collaboration
  • Open a Support Ticket
  • Temporary Solution

When a GitLab merge request encounters an “Error 500,” it must be diagnosed and fixed in an organized, calm manner. Development teams can effectively troubleshoot issues, return the codebase to a stable state, and guarantee the efficient operation of the development process by adhering to the steps described. Effective problem-solving in the face of errors demonstrates the value of QA and development support in maintaining a dependable, high-quality software product.

Who a Merge Request Should Be Assigned To

A thorough and knowledgeable review process is guaranteed by designating the appropriate people to examine a merge request. The most crucial part of this point is selecting reviewers with pertinent domain knowledge and experience in the proposed code changes. Developers can get insightful feedback from the right team members, improving the quality of their code and the dependability of the finished product.

It is ensured that any potential problems are thoroughly identified and dealt with by assigning Merge Requests to reviewers familiar with the codebase and the modified functionality. Involving QA testers in the review process also enables a thorough evaluation of the suggested changes from a quality assurance standpoint. This cooperative approach significantly increases the importance of code review for both QA and development support to assigning Merge Requests, leading to a more reliable and robust software product.

If You Do a Continuous Code Review, Make Sure That:

Code consistency must be a top priority for your development team if continuous code review is used. Establishing and enforcing coding standards, style guidelines, and best practices throughout the codebase is the most critical aspect of this point. 

Developers can easily understand and navigate through the code by upholding consistency, which makes the code easier to manage and maintain. Due to different coding styles, inconsistent code makes it less likely that bugs or errors will be introduced.

Continuous code reviews and code consistency promote a cooperative and efficient development environment. It ensures that everyone on the team follows the same coding guidelines, leading to cleaner, more reliable code that facilitates collaboration and improves overall code quality. Continuous code review with an emphasis on code consistency significantly increases the importance of code review for both QA and development support.

Best Practices for Code Review

Using best practices when reviewing code is crucial for maintaining code quality and ensuring smooth communication between QA and development support. One of the most critical components of a successful code review procedure is Promoting granular and targeted feedback

Reviewers must offer detailed, targeted, and usable feedback during code reviews. Reviewers should concentrate on precisely identifying potential problems, bugs, or areas for improvement rather than making general remarks.

Developers can easily understand the changes required and take the proper action by providing detailed feedback. Additionally, specific comments prevent misunderstandings and promote a more straightforward review process.

The importance of praising successfully implemented solutions is equal to identifying potential problems. Developers are encouraged, and best coding practices are reinforced by pointing out the code’s positive aspects.

Promoting thorough and focused criticism during code review improves the effectiveness and efficiency of the development process, leading to higher-quality software products and improved cooperation between QA and development support teams.

Practical Use of Code Review for Businesses

Beyond code inspection, code review promotes software excellence and the creation of high-quality products, both of which are beneficial to corporate success. Businesses can significantly benefit from implementing code review as a strategic activity. It facilitates a culture of continuous improvement while streamlining their software development procedures. 

The principal advantages of applying code review in business are as follows:

  • Enhanced Code Quality: By ensuring that code changes are carefully examined and validated, code reviews help produce higher caliber and more durable code.
  • Reduced Bugs and Defects: By identifying and fixing issues early in the development cycle, code review minimizes the number of bugs and defects in the software, reducing post-release support efforts.
  • Cost Savings: Fixing issues sooner rather than later in the software development lifecycle or during production is more cost-effective.
  • Faster Time-to-Market: Companies that use code review-enhanced development processes can deliver software products more quickly and gain a competitive edge in the market. 
  • Collaborative Team Environment: Putting in place a code review process encourages team members to work together constructively. Developers can thus advance one another’s work and gain from one another’s experience.
  • Coding standards compliance: Code review ensures that all code modifications adhere to coding standards and best practices, promoting consistency and maintainability.
  • Innovation and Continuous Improvement: By appreciating constructive criticism and making notes during code review sessions, developers can innovate and continuously improve their coding practices.
  • Better Software Security: A thorough code review helps find security flaws and fix them, making the final product more secure.
  • Regulation Compliance: Code review aids in reducing legal risks while ensuring compliance with industry standards and regulations.
  • Customer satisfaction: Delivering excellent software with the help of code reviews increases customer satisfaction and encourages customer loyalty.


Code review serves as a powerful tool for identifying and rectifying issues early on, resulting in a more stable and reliable final product. By adhering to coding standards, providing constructive feedback, and leveraging tools like GitLab Merge Request, code review optimizes the development process, leading to efficient and high-quality software solutions.

Code review is not just a practice at Ficus Technologies; it is a core value that sets us apart as a company. With code review as our guiding principle, we create software products that meet and exceed the expectations of our customers. Code review is at the core of our development process, and we take great pride in utilizing it diligently for every project we undertake. By rigorously implementing code review practices, we ensure that our products meet the highest standards of quality, reliability, and performance.

Sergey Miroshnychenko
My company has assisted hundreds of businesses in scaling engineering teams and developing new software solutions from the ground up. Let’s connect.