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Software Quality Assurance and Software Testing – QA

Mar 5, 2022 | Career Path

Quality Assurance (QA) is essential to the software development process. It ensures that the final product meets its desired quality standards and is an integral part of any software development project. Software Quality Assurance encompasses different disciplines and processes, but it all boils down to ensuring that the final product is as good as possible.

Everything you want to know about how to have a great career with QA. How to get started, how it works, the benefits, processes, and why to choose Sonatafy. With sonatafynexxus.com, we are focused on building a community for software developers and engineers in Mexico (and eventually Latin America) to learn how to advance their careers.

Salary for Quality Assurance Specialist

A quality assurance specialist is a person who performs inspections to ensure that the product or service meets specifications. The salary for a quality assurance specialist varies depending on the company, location, and industry.

The average salary for a quality assurance specialist ranges from $36,000 to $72,000 per year. Quality assurance specialists are responsible for analyzing and testing products to ensure that they meet the standards set by their company. 

Quality Assurance Salary

Quality Assurance (QA) is critical to the software development process. Quality assurance engineers are responsible for testing software to ensure that it meets all quality standards and complies with the specifications laid out by the project stakeholders. 

The salary of a quality assurance engineer largely depends on the industry sector and experience level. The average salary of a QA engineer in the USA can be as high as $90,000 annually.

Quality Assurance Engineer Salary

Quality assurance engineers are in high demand. Their job is to ensure that the product is working as it should be and that there are no errors. The salary of a quality assurance engineer can vary depending on the company, location, experience, etc.

Some companies offer a salary range for quality assurance engineers, while others provide a fixed salary. To find out what companies offer a salary range, you can contact them and ask what they usually provide their employees. If they don’t answer, you can use Glassdoor as a resource to find out what other people who work there say about it.

Quality assurance engineers are responsible for testing software to ensure that it is of good quality. They are also responsible for identifying the bugs and issues in the software. Quality assurance engineers need to be knowledgeable about various aspects of programming, as they need to know how a program works to identify bugs and issues.

What Is Quality Assurance in Software Development?

Quality assurance is a process that ensures that the product meets the needs and expectations of the customer. The QA process includes reviewing requirements, design, code, testing, and release criteria. Quality assurance is a vital part of any project as it helps identify bugs in software before it reaches customers.

Software quality assurance professionals are responsible for testing the software and finding bugs, errors, or defects. Developers do QA at different stages of development.

The stages of quality assurance in software development are:

  • Planning: This stage includes both the preparation and management of the project.
  • Design: In this stage, we create a plan for our product or system that meets all requirements.
  • Development: In this stage, we create a product or system meeting all requirements.
  • Testing: In this stage, we evaluate our product or system to ensure it meets all requirements and performs as expected.

How Do You Ensure Quality in Software Development?

Software developers are responsible for ensuring their software is of the highest quality. To ensure quality in software development, developers should:

(a) Design and develop iteratively: Developers update the design after each iteration.
(b) Perform risk analysis: Identify the risks associated with developing the software before they occur so that developers address them during development.
(c) Identify and address non-functional requirements: They ensure the product is functional, usable, and accessible for all users. These requirements impact the usability and understandability of a website or app since developers need to pay more attention to them during development.

What Is Software Testing and Quality Assurance?

Software Testing and Software Quality Assurance ensure that software meets the user’s requirements and is free from bugs or errors. There are some common approaches for both testing and QA.

These include:


When developers write new code, they must test it before being deployed on production. Developers do various test cases to check whether the code works as expected. The test cases are unit, integration, system, regression, load tests, etc.

Quality Assurance

Quality Assurance (QA) aims to test if the product meets customer expectations by checking if it matches specifications and functions as the customer expects.

What Are the 4 Types of Quality Assurance?

Quality assurance checks that a product meets standards before developers release it to customers.

  1. Verification: Verifies the quality of a product or service by checking for errors;
    B. Validation: Ensures that the product or service meets the requirements and standards of a contract or standard;
    C. Inspection: Examines a product or service to verify compliance with specifications and standards, usually before releasing it to consumers;
    D. Testing: Conducts operations to assess the quality of a product, service, process, or system.

What Is the Role of Software Quality Assurance?

Software Quality Assurance is the process of ensuring that software meets its requirements. Software quality assurance aims to detect errors and defects in the software, correct them, and prevent their reoccurrence. Software QA has these roles:

  • Testing: This role involves executing tests on different parts of the software for errors or defects.
  • Debugging: This role involves identifying and fixing errors or defects in a piece of code after testing it for errors.
  • Configuration: This role is essential because it configures how a program runs on your computer or network. It can be helpful to use memory allocation tools when creating the program to run smoothly.
  • Documentation: Documentation is an essential part of the testing process. It includes everything that needs to be covered while testing a product. 

What Are 5 Key Activities That Promote Software Quality?

To promote quality software, there is a need to understand what quality means for different stakeholders. For example, for end-users, it is about usability and satisfaction; for managers, it is about meeting deadlines and achieving milestones; for developers, it is about minimizing bugs and maximizing productivity.

Many activities promote software quality. These include:

  • Monitoring the software to identify potential problems and fix them before they become a problem;
  • Testing the software to identify bugs and fix them;
  • Documenting the software to ensure that it is easy for other developers to understand and maintain;
  • Building a feedback loop to understand how users interact with their products can lead to improvements in product design;
  • Creating a culture where it is safe for people to make mistakes without fear of punishment or retribution. 

What Are 5 QA Best Practices?

Developers can follow many QA best practices ensuring quality and efficiency. Here are 5 of the most important ones:

(a) Use automated testing tools to measure the quality of your software;
(b) Follow a systematic approach to test your software;
(c) Create documentation for all the testing that you do;
(d) Have testers review their work for errors and omissions;
(e) Document everything — this includes what you do, why you did it, and how you do it.

What Is Software Quality Assurance (SQA)

Software Quality Assurance (SQA) is the process of ensuring that a software application meets requirements and satisfies the needs of stakeholders.

The essential aspect of software QA is ensuring that the software product’s quality is good. There are many ways to do this, for example:

  • Implementing a testing process;
  • Using metrics to measure quality;
  • Ensuring there are no defects in the code.

What Are the Elements of Software Quality Assurance?

Software Quality Assurance (SQA) measures and monitors software development projects to ensure they meet user needs and expectations. The elements of software quality assurance are:

  • Requirements;
  • Functional design;
  • User interface design;
  • QA testing;
  • Quality control testing;
  • Documentation and training;
  • Performance testing;
  • System reliability and maintainability.

What Is an Example of Quality Assurance?

Developers can do QA at every stage of production, and it is also done after it to ensure that there are no errors, defects, or problems with the product. Examples include testing products before release, during, and checking finished products.

Some examples of QA are:
(a) Inspections;
(b) Audits;
(c) Testing;
(d) Product sampling;
(e) Statistical sampling.

What Are the 3 Types of Quality?

Quality is not something that can be seen or measured objectively. Many factors determine the quality of a product or service.

3 types of quality are:

(i) Technical quality refers to how well a product has been designed, programmed, and built. It is the essential type of quality for many products and services.
(ii) Functional quality: Functional quality refers to how well a product performs its function or meets the needs of its users.
(iii) Social-interpersonal quality: Social or interpersonal rates are about how well other people like and use a product in social situations.

Does QA Require Coding?

QA requires coding in some cases. For instance, if the QA needs to test every line of code for errors, it will require coding skills like programming languages to write automated tests for the software.

A quality assurance specialist tests products using many methods, including manual testing, automated testing, and tools like code coverage tools. QA teams are essential in the development process because they help developers release high-quality products that are bug-free and work as intended.

QA requires coding because it is a process that is not just about testing. It also involves gathering data from the software and analyzing it.

QA requires coding because it is a process that is not just about testing. It also involves gathering data from the software and analyzing it.

Who Does QA Software Development?

QA software development is a set of guidelines that help software developers ensure their code is error-free.

The steps in the process include:

  • Identify the scope of the project and define its requirements;
  • Develop a user story;
  • Create a design document for the application;
  • Create a business case for the project;
  • Plan for testing and evaluating risks;
  • Design test cases and execute them;
  • Analyze results and provide feedback to stakeholders;
  • Document findings, conclusions, and next steps.

How Can I Improve My QA Skills?

Quality Assurance (QA) is essential to any project; every company should have a QA team. However, finding people who are good at this task can be challenging. Here are ways to improve your QA skills:

  • Educate yourself on the topic by attending conferences or reading publications of experts in the field;
  • Make sure that you are familiar with all types of software and tools that you use daily;
  • Get certified in the software tools that you use in your job. There are many certifications available for this purpose, such as CompTIA A+ or Microsoft Certified Solutions Associate (MCSA);
  • Be open to learning new things and try out new things in your job;
  • Take time to learn about what other companies do.

How Do You Deliver Quality Software?

QA is not just about the code that developers write. It is also about the quality of the feedback that it gets from the end user. Here are ways to deliver quality software:

  • Design for simplicity;
  • Test with automation;
  • Build-in regression tests;
  • Use continuous integration;
  • Create a test plan;
  • Create a testable design;
  • Use automated UI tests and functional tests;
  • Automate non-functional testing.

Where Can I Practice Software Testing?

Software testing is a profession that requires a lot of practice. There are various places to practice software testing, such as conferences, online courses, and online communities.

Online communities are more effective for practicing software testing because they allow you to share your experiences with other testers and get feedback from them.

Is SDLC a Framework?

Many software companies and business owners use the SDLC framework to help them develop their software. 

SDLC stands for Software Development Life Cycle. It is a framework software that helps companies create, manage, and deliver software products. It has these phases: initiation, analysis, design, coding, testing, and deployment.

SDLC is not just an acronym or a framework; it is an effective way to develop software products, and developers can apply the process in other industries.

Quality assurance is a software engineering discipline that ensures that products and services are safe, reliable, and of high quality.

Differences between Manual Testing and Test Automation.

Manual testing and automation testing are two approaches to software testing, each with its own characteristics and advantages. Here are the key differences between manual testing and automation testing:

  1. Test Execution: In manual testing, test cases are executed manually by human testers who interact with the application, input data, and validate results. Automation testing, on the other hand, involves using automated testing tools to execute pre-scripted tests without manual intervention.


  2. Speed and Efficiency: Automation testing is generally faster and more efficient than manual testing. Automated tests can be executed repeatedly and rapidly, allowing for quicker feedback on the quality of the software. On the other hand, manual testing relies on the speed and accuracy of human testers, which can be slower and more time-consuming.


  3. Repetitive and Regression Testing: Automation testing benefits repetitive and regression testing. Once automated test scripts are created, they can be executed repeatedly to ensure that changes or updates do not affect the existing functionality. Though possible for repetitive tasks, manual testing can be error-prone and time-consuming when repeated frequently.


  4. Test Coverage: Automation testing allows for broader test coverage as automated tests can be written to cover a wide range of scenarios and test cases. On the other hand, manual testing may have limitations in terms of the number of test cases that can be executed within a given time frame.


  5. Human Observation and Exploration: Manual testing allows human testers to observe, explore, and identify defects that automated tests might miss. Human intuition and domain expertise can be valuable in uncovering complex issues and user experience-related defects that automation may not detect.


  6. Maintenance and Initial Investment: Automation testing requires an initial investment of time and effort to develop and maintain the test scripts. The automation scripts must be updated accordingly if the application undergoes frequent changes. While it may require less upfront effort, manual testing can become more time-consuming and costly in the long run, especially for regression testing.


  7. Skill Requirements: Manual testing primarily relies on the skills and experience of human testers to identify and report defects. Automation testing requires proficiency in programming languages, test automation frameworks, tools, and knowledge of scripting and test automation best practices.


It’s important to note that manual and automation testing have their place in the software testing process. Manual and automation testing approaches are often employed to achieve adequate and comprehensive test coverage depending on the context, project requirements, and available resources.

What is Test Automation?

Test automation refers to using software tools and frameworks to automate the execution of tests in the software testing process. It involves writing scripts or creating test cases that can be executed automatically, without manual intervention, to validate software applications’ functionality, performance, and quality.

Test automation aims to improve efficiency, reliability, and accuracy in the testing process by reducing manual effort, increasing test coverage, and providing faster feedback on the software’s behavior. It involves using specialized tools and frameworks that interact with the tested application, simulate user actions, and verify expected outcomes.

Here are some key aspects of test automation:

  1. Test Scripting: Test automation involves writing scripts or creating test cases that define the sequence of actions and expected results. These scripts are typically written using programming languages or test automation frameworks and executed using automated testing tools.


  2. Test Execution: Automated tests can be executed repeatedly and consistently, providing consistent results. They can be scheduled to run at specific times, integrated with continuous integration/continuous deployment (CI/CD) pipelines, or triggered by specific events. This allows for efficient regression testing and quicker feedback on the software’s behavior.


  3. Test Data and Environment Management: Test automation includes managing test data and environments. Test data is prepared in advance to ensure consistency and repeatability of test results. Test environments, including software configurations, databases, and test servers, are set up and maintained to create a controlled testing environment.


  4. Reporting and Analysis: Test automation tools generate reports and logs that provide detailed information about test execution, including test results, errors, and failures. These reports help identify issues, track progress, and analyze trends. Test automation can also integrate with other tools for tracking and managing defects or problems.


  5. Maintenance and Updates: Test automation requires regular maintenance to update the test scripts with changes in the application or system being tested. As the software evolves, test scripts may need to be modified or enhanced to accommodate new features or changes in functionality.


Test automation is most effective when applied to repetitive, time-consuming, and critical test scenarios. It allows testers to focus on exploratory testing, usability testing, and edge cases that require human observation and intuition. However, not all tests are suitable for automation, and a thoughtful approach is needed to determine the appropriate balance between manual and automated testing based on the project’s specific needs.

What is Software Reliability?

Software reliability refers to the ability of a software system to perform its intended functions without failures or errors over a specific period and under particular conditions. It measures the software’s stability, predictability, and consistency in delivering the expected results.

Reliability is an essential aspect of software quality, as it directly affects the user experience, customer satisfaction, and the overall success of a software application. Here are some critical aspects of software reliability:

  1. Failure-free Operation: Software reliability is characterized by the absence of failures or errors that result in the system not functioning as intended. A reliable software system should consistently provide accurate and expected outputs without crashes, data corruption, or unexpected behavior.


  2. Availability: A reliable software system should be available and accessible to users whenever needed. It should minimize downtime and service interruptions, ensuring that users can rely on the software being operational and accessible.


  3. Fault Tolerance: A reliable software system is designed to gracefully handle and recover from errors or faults. It should be able to detect and handle exceptions, prevent cascading failures, and maintain system integrity despite unexpected events or exceptional conditions.


  4. Performance: Software reliability also encompasses performance aspects. A reliable software system should handle expected workloads efficiently and consistently, providing responsive and timely results. It should be able to scale and handle increasing demands without degrading performance or introducing errors.


  5. Testing and Validation: Ensuring software reliability involves rigorous testing and validation processes. This includes various testing techniques such as unit, integration, system, and performance testing to identify and fix defects and ensure the software’s stability and reliability.


  6. Error Handling and Logging: A reliable software system includes robust error-handling mechanisms. It should provide meaningful error messages and logs to assist in troubleshooting and debugging. Detailed error logging can help identify and resolve issues promptly, minimizing user impact.


  7. Maintenance and Updates: Software reliability is also influenced by the care and updates provided for the software. Regular bug fixes, security patches, and updates help address potential vulnerabilities and improve the software’s reliability over time.


Software reliability is a continuous effort throughout the software development lifecycle. It requires proper design, implementation, testing, monitoring, and maintenance practices to ensure high reliability. Software developers and organizations can enhance user trust, minimize disruptions, and deliver a positive user experience by focusing on reliability.