What is a QA Engineer & How to Become One?


What is a QA Engineer & How to Become One?

A QA engineer is essential in today’s technologically advanced world for guaranteeing that software programs and goods are of the highest calibre. Software testing, bug and defect detection, and ensuring that the end product satisfies customer and business objectives are all the responsibilities of QA (Quality Assurance) engineers.

If you’re considering a career in quality assurance engineering, you may be curious about what the position comprises and the procedures necessary to succeed. This post will examine what a QA engineer performs, the abilities and characteristics required for the job, and the educational and professional paths you might take to become one. 

What is a QA Engineer?

A professional who is in charge of testing and guaranteeing the quality of software applications or goods is known as a QA (Quality Assurance) Engineer. They strive to find errors, bugs, and other problems while ensuring the program satisfies the client and organisational needs. They must establish test plans, automate tests, analyse test findings, and work with developers and other stakeholders to enhance software quality. 

QA engineers are essential to the software development process because they ensure the finished product is up to the highest quality standards before making it available to the public.

What does a QA Engineer do?

A QA Engineer ensures that software products or applications meet the highest quality standards before release. Their job involves various tasks that can vary depending on the organisation and the software development process. 

Here are some of the key responsibilities of a QA Engineer:

Developing test plans

A QA Engineer is responsible for creating test plans that outline the testing approach, methodologies, tools, and techniques to ensure that the software product meets the requirements. 

Creating test cases

A QA Engineer creates test cases that validate the software’s functionality, performance, security, and usability. To find errors and flaws, they develop manual and automated tests and run them.

Testing results analysis

A QA Engineer examines test results to find errors, faults, and other problems. Then, they collaborate with programmers to identify, replicate, and validate issue fixes.

Working with stakeholders

A QA Engineer collaborates with programmers, project managers, business analysts, and other stakeholders to comprehend specifications and ensure the software solution satisfies user and organisational requirements.

Enhancing software quality

A QA Engineer is always looking for ways to raise the calibre of software. To identify and put into practice best practices, tools, and procedures that improve software quality, they work with developers and other stakeholders. 

Reporting and documentation

A QA Engineer creates test reports and documentation that communicate testing status, results and issues to stakeholders.

Ensuring compliance

A QA Engineer ensures that the software product meets regulatory, legal, and industry standards and requirements.

How to become a QA Engineer

To become a QA (Quality Assurance) Engineer, you typically need a combination of education, technical skills, and experience. Here are the steps you can take to become a successful QA Engineer:

Learn software development

Knowing how to code is essential and can provide you with the technical foundation for a career in quality assurance.

Gain technical skills

You need to understand software testing principles, methodologies, and tools well. Familiarise yourself with testing frameworks, automation tools, and programming languages like Python and Java.

Gain experience

Start building your experience by working on testing projects or internships. You can also start with a related entry-level role like a software tester or junior QA Engineer.

Get certifications

Certifications like Certified Software Tester (CSTE) and Certified Software Quality Analyst (CSQA) can enhance your credentials and demonstrate your software testing and quality assurance expertise.

Develop soft skills

In addition to technical skills, you need to have good communication, collaboration, and problem-solving skills. As a QA Engineer, you will work with developers, project managers, and other stakeholders to ensure the software product meets requirements.

Stay up-to-date

The software development industry is constantly evolving. To be a successful QA Engineer, you need to stay current with the latest trends, tools, and technologies in software testing and quality assurance.

QA Engineer skills

Here are some essential skills that a QA Engineer should possess:

Attention to detail

A QA Engineer must have a keen eye for detail and be able to spot even the smallest defects in software. In addition, they must be meticulous in their testing approach and ensure that all aspects of the software are thoroughly tested.

Critical thinking

A QA Engineer should possess strong critical thinking skills to identify potential issues and determine the best testing approach to address them. In addition, they must be able to think outside the box and come up with creative solutions to complex problems.


QA Engineers should be able to communicate effectively with developers, product managers, and other stakeholders to understand software requirements, report defects, and suggest improvements. Further, they should be able to present their findings and recommendations clearly and concisely.

Technical skills

A QA Engineer must possess strong technical skills and be familiar with programming languages, testing frameworks, and software testing tools. In addition, they should have a solid understanding of software development methodologies like Agile and be able to work with developers to create efficient testing processes.

Analytical skills

QA Engineers should have strong analytical skills to analyse and interpret test results and identify patterns and trends. In addition, they should be able to use data to make informed decisions about the software’s quality and identify areas for improvement. 

Time management 

To guarantee that testing is finished on schedule, a QA Engineer must be able to prioritise their testing jobs and successfully manage their time. To fulfil strict deadlines, they must be able to operate productively and effectively under pressure.

QA Engineer interview questions

Here are some common QA (Quality Assurance) Engineer interview questions and their potential answers:

  • What is your experience with different types of testing?

I have experience with manual and automated testing. For manual testing, I use test cases, exploratory testing, and regression testing. For automated testing, I use tools like Selenium, Appium, and Robot Framework to create and execute test scripts.

  • How do you prioritise test cases when there is limited time?

I prioritise test cases based on their impact on the software’s critical functions and the risks associated with not testing them. I also consider the test coverage and ensure that essential areas are covered.

  • What is your experience with agile methodologies?

I have experience working in Agile environments, participating in daily stand-up meetings, sprint planning, and retrospectives. I also work closely with developers and other stakeholders to ensure that testing is integrated into the development process.

  • How do you identify and report defects?

I use bug-tracking tools like JIRA and Bugzilla to identify, report, and track defects. I include relevant information like steps to reproduce, screenshots, and error messages to help developers understand the issue.

  • What is your experience with test automation?

I have experience using test automation tools like Selenium, Appium, and Robot Framework to automate repetitive and time-consuming tasks. I also use continuous integration tools like Jenkins to integrate automated testing into the development process.

  • How do you ensure that software meets user requirements?

A potential answer is that I collaborate closely with developers and other stakeholders to ensure the software meets user requirements. I review user stories, acceptance criteria, and other documentation to ensure test cases cover all the required functionality.

  • What is your experience with creating test plans?

I’ve created test plans that explain the scope of testing, testing objectives, and testing approach. I collaborate closely with developers and stakeholders to comprehend software requirements and write test cases that confirm functionality.

  • How do you ensure that your testing is thorough?

I use different testing techniques like functional, regression, performance, and security testing to ensure thorough testing. I also use boundary value analysis and equivalence partitioning techniques to identify and test edge cases.

  • What is your experience with defect triaging?

I have experience triaging defects by analysing their severity, priority, and impact on the software. I work closely with developers and other stakeholders to determine the root cause of the defect and its potential impact on the software.

  • What sort of performance testing have you done?

I have experience with performance testing, simulating user traffic and evaluating the software’s response time, throughput, and scalability using tools like JMeter and LoadRunner. To locate performance bottlenecks, I also employ profiling tools like New Relic.


In conclusion, a QA Engineer plays a critical role in ensuring the quality of software products before they are released to the market. Becoming a QA Engineer requires a combination of technical and soft skills, including attention to detail, critical thinking, communication, and time management. 

A promising career option for people interested in the technology business, the demand for skilled QA Engineers is anticipated to increase as the significance of software in our everyday lives increases.

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