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What Is Quality Assurance in Software Development?

Software quality assurance (SQA) is a proactive way to prevent defects in software during development. The goal is to make sure the software works as it should from the outset, eliminating the need for costly rebuilds. Testing is a big part of quality assurance. QA engineers design and run custom tests to assess every aspect of the software before launch.

Why SQA Matters

The role of software quality assurance is to prevent technical failures caused by inadequate programming. It is an essential part of the software development life cycle. Without it, your software will not be fully developed. It may contain bugs and glitches that cause a negative user experience.
  • More reliable software that doesn’t crash with multiple users.
  • Reduces the need for expensive maintenance down the line.
  • Produces software that is scalable and future-proof.
  • Improved user experience protects your reputation and builds trust.

Quality Assurance vs Quality Control

There is room for both quality control and quality assurance in software development. Although the two terms are sometimes used interchangeably, they are vastly different. Quality assurance is the bigger picture—it encompasses all the strategies needed to prevent software defects. Quality control is one of those strategies.
Quality control aims to find problems and eradicate them through bug tracking and reporting. QC teams perform this reactive process by examining the finished product at the end of the development cycle.

Quality Assurance

  • Umbrella term for all quality-related activities.
  • Proactive: prevents defects from occurring.
  • Happens throughout the software development life cycle.
  • Requires input from users and business owners.

Quality Control

  • A sub-category within quality assurance.
  • A sub-category within quality assurance.
  • Only happens during the testing phase.
  • Done by the QC team and software developers.

Zelifcam Software provides quality assurance and quality control to ensure inclusive coverage for your application.

Software Testing

Software testing is the main focus of the quality control team. First, our developers will design a unique test strategy for the software, followed by the tests in a staging environment. At Zelifcam, we use a combination of automated and manual testing to help our team cover all the bases.

Automated vs. Manual Testing

Automated software testing happens without human intervention. The developers run the code through a testing tool to rapidly identify any faults in the programming. Some popular automated software testing tools include Appium, Selenium, and TestNG. These programs make testing faster and more efficient. Regression testing – a test that ensures newly added code doesn’t break the program – is something we often automate at Zelifcam.

Software Verification vs Validation

Verification and validation are the goals of software testing. Software verification is about making sure the software does what it says on the box. It means examining the actual code without running the program. Verification is also known as static software testing.

Validation, on the other hand, is about checking that the software meets users’ needs. Some software doesn’t feel right or work well even with perfect code. This type of testing evaluates the application’s real-life performance and usability, which is sometimes called dynamic testing.

8 Software Testing Strategies We Use

Our software testing strategies can be divided into functional and non-functional. The first group, functional testing, checks whether the software works as it should be working. Non-functional testing examines a program’s behavior when facing different scenarios to ensure it performs and thrives. Both types of testing are equally important.

Examples of Functional Testing

1) Unit Testing – breaks up the application into the smallest pieces of code possible, then tests each unit individually to confirm everything runs as it should.
2) Integration Testing – tests how different software units interact to verify data flows properly between each feature of an application.
3) System Testing – tests the entire software system to validate it meets the project’s requirements. The testing team must be separate from the development team to remain impartial.
4) Acceptance Testing – the client tests whether the software meets their needs as the last step before launch. You get to test the program for yourself and choose to accept or reject it.

Examples of Non-Functional Testing

1) Usability Testing – tests how easy (or difficult) the software is to use. Developers ask real users for feedback through surveys, interviews, or first-impression reviews.
2) Performance Testing – pushes the software to its limits to see how it would perform in different scenarios. It involves increasing and decreasing the load on the software to simulate high user traffic and usage spikes.
3) Security Testing – tests how well the software would protect against malware and hackers. The goal is to identify programming flaws and system vulnerabilities before deployment.
4)Compliance Testing – we check that the software meets the legal requirements for your industry to protect data privacy once it goes live.

Quality Assurance in the Software Development Life Cycle (SDLC)

Zelifcam develops software quality assurance plans that encompass the entire SDLC. That means we prioritize quality at every phase, from planning and design to testing and deployment. We believe quality assurance and software development cannot exist without each other, and we conduct SQA continuously, even after your software goes live.
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10200 San Pedro Ave
San Antonio, TX 78216
United States

Phone: +1 210-569-0010

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