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What Is Software Quality Assurance (SQA), and Why Is It Important?

Monika Stando
Monika Stando
Marketing & Growth Lead
March 21
8 min
Table of Contents

Businesses release new software periodically to meet customer expectations and stay alive in the competitive business world. However, while churning out software, they tend to use practices other than quality assurance. It either leads to software failure in the production environment or increases development costs. Therefore, you must adhere to proper software quality assurance to prevent your business from getting into such a complex situation. This article is your ultimate guide to software quality assurance and how it benefits your business.

What is Software Quality Assurance (SQA)?

Software quality assurance refers to monitoring all software engineering processes, activities, and work items to ensure they comply with defined standards. It works parallel to software development, from defining software requirements to coding and release.

The fundamental principles of software quality assurance include:

  • Quality Planning: Quality planning is the first principle of software quality assurance and involves outlining all the methods and standards that should be implemented.
  • Quality Assurance: Quality assurance ensures that the software is free of defects. If issues exist, they are fixed during this stage. It is preventive and proactive, aiming to avoid defects in the development process.
  • Quality Control: As the name suggests, quality control involves examining and verifying that the final software product meets the set criteria.
  • Quality Management: It is about managing the quality of the software from start to release and even during production by using quality control, assurance, and planning measures.
  • Software Metrics and Measurement: Some key metrics should be measured throughout the software development process to monitor software quality. These include:
    • Mean Time to Defect
    • Defect Density
    • Crash Rate
    • Total Churn Rate
  • Continuous Improvement: Software quality assurance also requires constant improvement. Regularly gather customer feedback and discuss software issues with team members to ensure the end product is top-quality.

Top 4 Software Quality Assurance Testing Benefits

Software QA brings many benefits to your organization. You enjoy higher customer satisfaction, reduced development costs, and less time spent on software development. Let’s discuss the advantages of software quality in detail:

#1. Reduces Overhead Cost

Typically, it takes $50,000 to $1,000,000 to develop medium to large applications, and if you focus on something other than quality assurance, this cost can quickly increase. This puts your business under immense financial pressure.

SQA monitors your software development, and as soon as an issue arises, the quality assurance engineers tackle it immediately. That is why minor problems are resolved before becoming more complex and expensive.

Additionally, software with proper quality measures doesn’t need as much maintenance. This significantly reduces overhead costs, ensuring more efficient and cost-effective development.

#2. Positive Customer Experience

Nothing can harm customer experience more than poorly functioning software. It leads to customers demanding refunds and leaving bad reviews that deter future opportunities. Fortunately, software quality assurance analyzes each aspect of the software development lifecycle.

If there are issues or the software lags, the quality assurance team will address them immediately, ensuring the final product functions smoothly and enhances the customer experience.

#3. Less Time to Market

The business world is becoming highly competitive, and to stand out from the crowd, you must deliver quick software. You can still maintain quality even while being quick, and SQA ensures this balance.

The QA and development teams work together from the start, eliminating the need for rework. Hence, the development process is streamlined, resulting in less time to market.

#4. Ensures Software Security

Data breaches and cyber-attacks are common occurrences that can compromise customer privacy. However, SQA addresses this concern. The quality assurance team tests the software and identifies and fixes any weaknesses and vulnerabilities that may invite attacks. As a result, the software is robust and secure, safeguarding both the organization and its customers.

Software Quality Assurance Standards

The software quality assurance standards include ISO 9000, Capability Maturity Model Integration (CMMI), and Testing Maturity Model (TMM). Let’s discuss these in detail:

ISO 9000

ISO 9000 is the most commonly used SQA standard. It involves a set of international standards defining the software quality management system requirements. The main goal of ISO is to improve your software product and service quality. It includes the following principles:

  • Customer focus
  • System approach
  • Process approach
  • Improvement
  • Relationship management
  • Engagement
  • Informed Decision Making

Capability Maturity Model Integration (CMMI)

The Capability Maturity Model Integration (CMMI) is a behavioral model that aids your organization in improving overall processes. It also plays a crucial role in productive and efficient behavior to minimize risks and defects in software development. Typically, CMMI comprises five stages, such as Managed, Defined, and Optimizing, and there are clear KPAs to achieve these maturity levels.

Testing Maturity Model (TMM)

Another software quality assurance standard is the Testing Maturity Model (TMM), a framework that evaluates the maturity of software testing. This model aims to identify the maturity of your current software development efforts. You can then set targets to improve your software testing processes to achieve desired results.

How to Implement Software Quality Assurance? SQA Activities

Implementing software quality assurance in your organization isn’t a one-step process but encompasses various steps. For instance, you must define quality standards, plan SQA activities, and conduct regular reviews and testing.

How to Implement Software Quality Assurance? SQA Activities

1. Define Quality Standards

The first step in implementing quality assurance is clearly defining the software’s quality standards.
You should highlight the requirements and acceptance criteria for software. Additionally, you must outline key performance metrics that will help you measure the software’s quality.

Once you’ve done the planning, share it with all stakeholders, including development and testing teams. Make sure they understand everything, as it is pivotal for successful implementation.

2. Plan SQA Activities

Next, focus on planning the SQA activities. This includes scheduling regular reviews, testing, and software documentation throughout the development phase. During this stage, you should also assign roles so everyone is responsible and accountable for their specific tasks and everything is clear.

3. Conduct Reviews

You must also employ a team other than the software development team to review different software aspects. For instance, they will review artifacts, design documents, and code to ensure you quickly identify defects and loopholes in the software early in the development process, which saves time and money.

4. Perform Testing

You should also perform different types of testing for software process improvement. Some standard tests that you must include:

  • Unit Testing: Focuses on small and discrete units of code. Typically, individual components are tested in isolation from the rest of the IT system to check their performance.
  • Integration Testing: As the name suggests, integration testing involves running tests on the system to ensure that different components are integrated and working as expected.
  • System Testing: This involves testing the whole system or software to ensure it meets the set requirements. You can apply different techniques to verify that the system is high quality and has top-notch functionality.

5. Monitor and Measure

Once you’ve run all tests and deployed the software, you should constantly monitor its performance. For this, you can rely on critical metrics like code coverage and defect density. If you notice the software lagging or underperforming, quickly identify and address the root cause promptly.

6. Improve Continuously

Regardless of how efficient the software is, there will always be room for improvement. The final step is continuously enhancing your software quality by analyzing the collected metrics. For instance, if monitoring suggests the defect density has increased, you should implement rigorous testing from the start and validate the software functionality before deploying it.

4 Tips to Improve Software Quality Assurance

The many tips to improve software quality include adopting automated testing, leveraging CI and CD, and cross-browser testing. Here is a detailed explanation of these points:

  • Use Cross-Browser Testing: The QA team should use cross-browser testing to ensure the software works smoothly. This involves testing the software on different web browsers, screen sizes, and mobile apps to verify whether the software is versatile enough to work on different devices without any issues for a flawless user experience.
  • Adopt Automated Testing: Although human tests are still very common across organizations, they are not always a way to go. Therefore, for top-quality software, you should implement automated testing. In this, tests are run on the software without any human intervention. Many tools like Selenium and Appium are excellent help for automated testing and enable your business to scale quickly with swift and secure product delivery.
  • Leverage CI and CD: Another tip for improving the SQA process is integrating CI and CD throughout the software development life cycle. CI, or continuous integration, is an automated process in which developers frequently merge code changes to a shared repository. On the other hand, continuous delivery is an extension of CI, and codes are regularly deployed in the testing or production environment for an interactive user experience.
  • Create a Risk Management Strategy: You should also have a risk management strategy in place for the software quality assurance process. The project manager should have a risk registry listing issues like data breaches, legal compliance failures, and supply chain disruptions. Having information about these risks ensures that your development and quality assurance teams take steps to mitigate them.

Most importantly, you must establish clear communication with all team members to improve the quality of the software. The software developers and quality assurance engineers should work collaboratively to verify that the software design meets quality requirements. There should be regular meetings and discussions with all stakeholders so everyone is on the same page work towards the same goals.

Conclusion

Implementing a robust software quality assurance plan from the beginning of your development process is crucial for ensuring your software meets the highest standards. By prioritizing SQA, you can avoid extensive rework, reduce costs, and deliver a superior product to your customers.

At Hicron Software House, we deliver top-tier quality assurance testing services. Our expert developers conduct thorough performance and functional testing to ensure your software is free from bugs and defects. Partner with Hicron Software House to ensure your software is reliable, secure, and ready to make a lasting impression. Contact us today to learn more about our comprehensive QA testing and how we can help you achieve excellence in software development.

Monika Stando
Monika Stando
Marketing & Growth Lead
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