Top 12 Technical Skills Every Software Tester Must Have

Top 12 Technical Skills Every Software Tester Must Have

Software Testers or QA engineers are like a master chef in the world of digital development. Like whenever you go to any restaurant or hotel to have a meal, you would be highly impressed with the meal they serve. And what's the reason for that? It's not just a cook who has made the meal. But it's the master chef, who has tasted the food and served you with appropriate tasting. The same role and responsibility have been played by the software tester or QA engineers during the software development life cycle.

quote-gerald-weinberg (1).png

However, when the technology, agile, and DevOps methodologies are advancing rapidly, accelerated development and continuous deployments are getting more complex, making testing a quite critical phase. It allows testers to work harder and demands more deliberation. 

According to the research, the global software testing market size was at 45 billion USD in 2022 and is expected to grow at 5% CAGR by the year 2032.  

global market insights

Nobody can become a tester like that. To gain that profession, there are some technical skills that every tester has to go through. As per the renowned computer scientist and testing expert, Jerry (Gerald) Weinberg once said, "If you are not learning something new each day, you are not testing". Well, however, when the technology, agile, and DevOps methodologies are advancing rapidly while accelerated development and continuous deployments are getting more complex, making testing a quite critical phase. This allows testers to work harder and demands more deliberation.

Hence, learning about the latest trends and advancing in technical skills becomes inevitable to keep up with the trends and avoid becoming obsolete. In this scenario, every tester needs to be well-versed with the technical skills – to get greater insight, a great degree of effectiveness and effectively communicate the failures and defects in the system to developers.

A tester with a good understanding of requirements analysis, design and coding has great insight into the defect life cycle. They can easily understand which area of code has maximum defects and how it could be resolved by helping developers. So, I must say, there are some good technical skills of a tester that help in preventing the defects getting introduced in the delivered code.

So, here, as a renowned and experienced software testing services company, we have curated the top 12 technical skills that every software tester must have.

1. Agile Testing

The software testing process - Agile testing follows the principles of agile software development. Agile testing aligns with iterative development methodology in which requirements develop gradually from customers and testing teams. The development is aligned with customer requirements.

Agile testing is a continuous process but not sequential. The testing starts from the beginning of the project and there is ongoing integration between testing and development. The main and common goal of agile development and testing is to achieve high product quality.

2. Automation Testing

By leveraging the latest technologies, increasing complexities in software and integrations in the application, using manual testing alone cannot take you to the right path. For testing browser compatibility, performance, headless, as well as database and integration layers, software testers or QA engineers, should learn automation skills since it imparts higher accuracy because of the business logic and technicalities it can serve. Plus, there are several test automation tools that completely support the testing type and have the features to get the tasks done quickly and effectively.

do you know most time consuming testing activities

3. Software Development Life Cycle (SDLC)

software development life cycle

It's one of the important and preferable things – if a tester is willing to learn software development life cycle management skills. The whole structure of SDLC will help them understand the application development tasks and plan the testing cycle accordingly. Having a strong and deep knowledge of the SDLC cycle will also help testers anticipate complexities in the application which can guide in taking the right measures beforehand. Along with this, testers must also learn other development mythologies like Kanban, Waterfall, Scrum, Lean, etc.

4. Technologies in Web and Mobile

web & mobile app technologies

Every tester must be aware of the latest technologies which are trending in the web and mobile. Hence, they can understand the type of application, it's built, and scalability to apply a suitable course of action for its testing. Testers must keep an eye on the latest technologies of web and mobile and what's trending since it guides them in comprehending the coding architecture and technical challenges to deliver effective QA solutions.

5. Testing Tools & Techniques

Every tester to be armed with the latest different testing techniques and usage of tools. The other testing types, like black-box testing, penetration testing, security testing, system testing, unit testing, etc., help testers work on any sort of project irrespective of the domain and application type. Apart from this, the other testing tools available in the market, like bug tracking tools, management tools, GUI testing tools, automation tools, etc., will help testers to serve different requirements and complexities of the project.

fun fact pretty good testing is easy to do excellent testing


6. Defect Tracking & Test Case Management Tools

Defect Tracking and Defect life cycle are the key roles of any software testing phase. It's very difficult to manage defects properly and track them in a systematic manner. Hence, the tester with a wide knowledge of Defect Tracking & Test Case Management Tools like QC, Bugzilla, Jira, etc., will help them lock the defect, including managers, developers, and testers.

7. Database or SQL

database management system

SQL has been the standard programming language for database management. Since then, the software systems have a massive amount of data in the background. Since the data is stored in different types of databases like Oracle, MySQL, etc in the backend, it's necessary for testers to understand the query and manipulate the data. So, if testers are very versed with databases or SQL that becomes easier for them to give proper solutions when this data needs to be validated. A single database or SQL queries can be encountered to check whether proper data is stored in the backend database.

8. Cross-Browser Testing Skills

Due to the demand for various browsers along with multiple devices and variations in different screen sizes for smartphones, the need for browser compatibility testing is more than ever.

This cross-browser testing skill allows testers to test their developed application across different browsers. This test ensures to deliver the product without having any bugs or errors which could work on every single platform smoothly.

9. Project Management

project management system

Software testing skills are a mixture of technical and professional aspects. And to manage both, it's extremely important for any testers to be able to take ownership of the project. This means a tester delivers the project after the completion of testing. Learning project management skills will instill problem-solving abilities in testers. In this way, the testers will be accountable and answerable for their work to the concerned person and also carry the responsibility and management of the end-to-end testing project. Project Management skill also plays an important role to promote a sense of responsibility.

This way, the tester can improve the entire testing process and deliver quality results to the client.

10. Basic Programming Knowledge

When we talk about programming, that doesn't mean that every tester should work as a developer. But it's really very important to understand the insights of the application so that it becomes very easy for a tester to understand its functionality and create tests accordingly. The basic knowledge of programming will help testers to identify possible errors in the application code, which further reduces the chances of bugs and application inefficiencies. Somewhat it's advisable for every tester to learn at least a few programming languages since there are good chances for them to know the workarounds of the application.

11. General Operating Systems Knowledge

operating system knowledge

This also includes core IT skills. And if you are keen to learn and explore more in your field, you will find it easy to learn and use new operating systems. Of course, it’s mandatory to learn OS - Windows, Linux, and Mac, to know what are the basic differences across desktop OSs and just spot the difference.

It's also good to be familiar with iOS and Android on the mobile platform. Since wearable devices are booming, you should sneak into the scene - Tizen and Android Wear OS.

12. Domain knowledge

Knowing different domains is essential for every QA or software tester. Testers can become more creative with the knowledge of software testing domains. So, it helps in increasing the value of the software product. Having good domain knowledge, it assists every tester in an improved manner to have a clear understanding of the testing techniques which are required by the client or which meet the client's requirement. Being knowledgeable of multiple domains for every QA also opens the door to multiple jobs as sometimes some clients require people who have domain expertise in a specific domain like Legal, Health, Finance, Banking, etc.

So, it is important for every tester to balance all the skill activities so that all product aspects will get addressed.

13. Logic & Analytical Testing Skills

The job of a QA is to look at every aspect meticulously so that even a minute error or bug does not remain unnoticed. For that, he needs to be reasonable and provide information in the form of data. That's why logic and analytical skills are required. 


Regardless of the educational background and years of experience, testers should always strive to learn and improve their technical software testing skills and knowledge. Be it self-learning or engaging in a training program, testers should always be eager to learn more methods and processes to improve their performance in testing and keep implementing the new skills and learning to keep themselves ahead of the completion.

As a valuable and prominent software testing company, The One Technologies has experienced and skilled software engineers who adhere to each and every technical skill while working on the project. Our knowledgeable team will never fail to impress you by providing you with error-free software for your organization. For more information, get in touch with us today!

Software Testing: Top Testing Trends to Follow 

Check out what’s trending in the field of software testing. Stay abreast the market trends and afloat among your competitors by delivering a bug-free business software. 

  • Scriptless Automation Testing 
  • Headless Browser Testing 
  • Microservices Testing 
  • Geolocation Testing 
  • Camera Image Injection Testing 
  • Biometric Authentication Testing 
  • Shift Left Testing 
  • QAOps 
  • Artificial Intelligence and Machine Learning Testing 
  • Blockchain Testing 


Clear the cloud of confusion with the most common questions boggling your mind. If you have anything else popping up in your mind, we are here to assist you.  

Just Give Us a Call 

1)How can I hire the best software testing company? 

Your search for the best testing company ends with The One Technologies. We have an in-house team of quality assurance experts who performs multiple types of testing on your software and deploy error-free software.  

2)What soft skills are needed for a tester? 

Here are some of the key soft skills for a tester: 

  1. Effective Troubleshooting: Proficiency in resolving issues. 
  2. Understanding User Needs and Business Goals: Empathy towards end-users and a grasp of business strategies. 
  3. Flexibility: The capability to adapt. 
  4. Negotiation and Facilitation Skills: Competence in leading meetings and striking agreements. 
  5. Collaborative Team Player: A cooperative attitude and a positive demeanour. 
  6. Enthusiastic for Continuous Learning: A strong desire for ongoing education. 
  7. Intuitive Insight: A keen intuition. 
  8. Sharing Knowledge and Guiding Others: A commitment to sharing knowledge and mentoring. 

3)Which skills are required by Agile Tester? 

Agile testers must have conventional abilities related to testing and quality assurance. This includes interpersonal skills, domain expertise, and proficiency in designing both functional and non-functional test cases. 

4)Do I really need to hire quality assurance experts for my software? 

It is pre-eminent to make your software undergo testing. More than good development is needed today; it needs to be taken a step higher with quality assurance. 

Certified By