I. What is a tester? What to learn to become a Tester
1. What is a tester?
Testers are the people who are responsible for performing the main tasks such as checking for errors, ensuring the best software quality and smooth operation before distributing to customers.

Or in other words, Testers are people who have the role of testing software as well as projects looking for bugs, errors, ... or any problem that may occur with the product. To put it more simply, they have the role of checking and reporting back to the development teams so that they can improve the errors that arise.

The level of influence of a Tester will depend on the importance and size of the project to evaluate.

2. What does a Tester need to learn?
To be a Tester, the first thing you need to do is "learn". So what will a Tester need to learn?

As a Tester, you will initially need to learn the following knowledge:

Basic knowledge of computers, basic office informatics, software installation, internet usage.
Programming knowledge: Basic SQL, HTML, CSS. These are the 3 things I think are essential when doing testing, you don't need to learn deeply to write code, but at least you should be able to read and understand and be able to edit simple code.
General knowledge of testing, including understanding basic definitions, terms, software development process, testing process.
II. The role and importance of a Tester
1. Role of a Tester
In the process of software development, a Tester will be someone who has the ability to master all the tools as well as the techniques and related knowledge. That is why the Tester has the following roles:

Test, evaluate to give the most suitable specifications.
Define test conditions and generate test designs. Some cases execute tests and provide specifications for the test process and data.
Implement the automation of the tests and make sure the test environment setup, system administrators and network administrators do it.
Record the results of the evaluation and test when defects are found. The tester will perform the monitoring and ensure the collection of performance related metrics.

2. Importance and benefits of a Tester
With the jobs and roles that Testers have taken on in software production, they are of great importance and benefit.

Testers must ensure the quality of the software products produced. The implementation of Tester will ensure that the products are always quality before supplying to consumers.
Tester is the person who plays the role of eliminating risks as well as possible problems for the software product.
Performing audits on any IT project will save you money in the long run. In some cases, if the defect is detected in the earlier testing stages, the repair cost will usually be lower.
Tester has the task of eliminating all risks to ensure product quality to bring complete satisfaction to customers.
III. Types of popular testers today
Depending on each company and each job position, testers are divided into many different branches such as: Manual tester, Automation tester, QA tester, QC tester and BA tester. So what do those positions mean? We invite you to take a look at the information below!

1. Manual tester
This will be the person who does the software testing manually. That is, testers will do the testing and generate reports manually, without any help of automated tools. Currently, most software companies or software teams use this testing method.

2. Automation tester
Automation Testing is a method of automated software testing. Automation tester is the person who performs the test automation. They will conduct scripting for testing and then use supporting tools for testing. This method saves time and gives better performance than manual testing.

3. QA tester
QA is an acronym for Quality Assurance. QA tester is understood as the person responsible for ensuring the quality of the software by providing a unified workflow among the stakeholders.

4. QC tester
QC testers (Quality Control testers) are the people responsible for checking the quality of the software. QC has two main positions: Manual QC (this position does not require programming skills) and Automation QC (Requires employees to have programming skills).

5. Automation tester
Automation Testing is a method of automated software testing. Automation tester is the person who performs the test automation. They will conduct scripting for testing and then use supporting tools for testing. This method saves time and gives better performance than manual testing.

6. THREE testers
BA is an acronym for Business Analyst. BA testers are people who work directly with customers to get project requirements. Then, this information will be transferred to internal teams such as QC, QA, Developer, etc. to discuss, research, and come up with the best solutions, in line with customer requirements.

IV. Must-have elements for a Tester
1. Necessary requirements of a Tester
For a Tester to work, it is necessary to meet the following requirements:

Understand the product to be tested.
Plan test strategy, to execute tests and find potential problems.
Analyze the pros and cons of a particular plan, as well as the risks associated with each component and interface in the product.
Check the code to be checked.
Work with scripts and automation tools.
Stay up to date with the technical aspects of the project infrastructure (e.g. browsers, databases, languages, etc.).
Analyze and document problems and provide appropriate feedback
2. Qualities that a Tester job needs to have
Having the ability to think.
Knowledge of programming languages.
Careful, meticulous, sensitive.
Skilled in design, analysis and application understanding of different software.
Have knowledge of English (Read, understand, write) to support reading specialized test documents abroad.
To become a good tester, you need to have a vision of the market trends in the coming time from which to give your opinions and views on the programmer's product.
V. Salary and potential of Tester profession
1. Attractive salary of Tester
The salary of a Tester will be based on experience, skills and qualifications.

If the Tester has good English, he will have more opportunities to work at a large software company with foreign outsourcing projects with a huge salary of 18-25 million, even have the opportunity to work in developed countries. such as Japan, USA, Canada...
As for Testers without English, the salary is not low, ranging from 8-13 million for Tester 1-2 years of experience and 12-17 million for someone with 4-6 years of experience.
For a new Tester, the average salary is also higher than other industries, it ranges from 6-8 million.
2. Current status of Tester profession
Tester is an extremely thirsty profession
But those who study IT, most of them immediately think of the programming profession, it makes the output of the tester job much lower, so that employers struggle in finding human resources.

The future of the testing profession is increasingly open
If abroad, at PM companies, on average, there are 4 testers for every 1 programmer. However, in Vietnam, on the contrary, this ratio drops to 1:5, which means that 1 tester corresponds to 5 programmers and only large software companies have a team of testers.

Testing is a profession that few people care about and know about
Most people when studying IT, most immediately think of a programming career, so the output of the software testing profession is much lower.

3. Development potential of the Tester profession
High demand for recruitment
The first potential to talk about here is that Tester is currently a "thirsty" position for labor. Therefore, the recruitment demand of this industry is quite high and creates great job opportunities.

Moreover, this test has clear career regulations and promotion opportunities: The more experienced the tester, the more attention and focus they get.

Profession does not require age
As some industries today will still require the age of the person working to match the position. However, for the Tester profession, the most important thing is the acumen but above all the experience that you have for this profession.

Source: https://nellofolddrury.com