What does a tester do?

The role of technical testers is to test computer software for defects, bug errors, or any issues that may come across by an end-user. They mainly conduct product testing and prepare reports about any problems or recommendations for improvements. Other responsibilities include reviewing test plans, assessing and analyzing product specifications and requirements, and mapping out testing strategy. Technical testers also frame the test environments or support network management staff and system administrators. Qualifications for this position include knowledge of the database or structured query language, proficiency in Linux commands, and proficiency in defect tracking tools.
Tester responsibilities
Here are examples of responsibilities from real tester resumes:
- Manage requirements and maintain test repository using QC.
- Manage departmental inventory and troubleshoot testing, reporting and inventory issues.
- Network scanning using tools like NMap and Nessus.
- Perform unit testing using Junit for class, method, & web services testing.
- Perform functionality testing, UI testing, integration testing, regression testing, system testing and browser compatibility testing.
- Analyze new test cases or test cases from regression test suites store in ALM to pick the automation candidates.
- Test new XML database/ data warehouse technology during development phases.
- Experience with performance testing using JMeter.
- Develop automated scripts and frame works using python scripting.
- Used Metasploit framework to exploit the network base vulnerabilities.
- Automate test scripts to run on mobile devices using APPIUM.
- Test mobile web apps and native apps using Appium tool.
- Used python scripts to update content in the database and manipulate files.
- Used PL/SQL programs for performance testing and write PL/SQL /Complex SQL queries for system testing.
- Involve in writing SQL queries and PL/SQL statements to verify and validate the data migration.
Tester skills and personality traits
We calculated that 10% of Testers are proficient in Java, Test Results, and Web Application.
We break down the percentage of Testers that have these skills listed on their resume here:
- Java, 10%
Developed and maintained automated regression test cases in Selenium Web Driver using Java programming Language.
- Test Results, 5%
Document test results and communicate to Project Management and other Project Stakeholders.
- Web Application, 4%
Web application security holes are unique the application, an effective assessment of a web application requires significant manual examination.
- Test Scripts, 4%
Designed and maintained automated test scripts to support volume/stress testing or regression testing.
- QA, 4%
Analyzed business requirements, system requirements, and data mapping requirement specifications interacting with client, developers and QA team.
- Regression, 4%
Executed extensive data and functionality-driven regression testing, developed test-data in accordance with altering client requests and changes to industry regulations.
Most testers use their skills in "java," "test results," and "web application" to do their jobs. You can find more detail on essential tester responsibilities here:
The three companies that hire the most testers are:
- Deloitte111 testers jobs
- Humana51 testers jobs
- Welocalize16 testers jobs
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Tester vs. Senior quality assurance analyst
Senior quality assurance analysts are responsible for developing and implementing quality assurance standards within an organization. They collect and analyze data to reinforce proposed projects, systems requirements, and business cases. These will include writing scripts and test plans to monitor errors and fixes in product and software development, operational systems, and information systems. Besides, they are also responsible for several tasks, including preparing reports and recommendations, communicating with suppliers and vendors in assessing applications, and conducting internal audits.
While similarities exist, there are also some differences between testers and senior quality assurance analyst. For instance, tester responsibilities require skills such as "digital transformation," "metasploit," "regression test cases," and "test plan." Whereas a senior quality assurance analyst is skilled in "status reports," "front end," "c #," and "hp alm." This is part of what separates the two careers.
Senior quality assurance analysts really shine in the finance industry with an average salary of $99,710. Comparatively, testers tend to make the most money in the telecommunication industry with an average salary of $74,239.On average, senior quality assurance analysts reach higher levels of education than testers. Senior quality assurance analysts are 11.6% more likely to earn a Master's Degree and 0.0% less likely to graduate with a Doctoral Degree.Tester vs. Quality assurance engineer
A Quality Assurance Engineer's role is to oversee the overall production and ensure that the product is cost-efficient and aligns with the company's standards. The responsibility mainly revolves around conducting activities that examine and scrutinize the condition of a product or service to identify issues and come up with possible solutions to resolve the issue or attain stronger customer satisfaction. Furthermore, the Quality Assurance Engineer must also ensure that the product adheres to the government regulations and market guidelines.
Each career also uses different skills, according to real tester resumes. While tester responsibilities can utilize skills like "digital transformation," "qa," "metasploit," and "regression test cases," quality assurance engineers use skills like "python," "c++," "c #," and "javascript."
Quality assurance engineers earn a higher average salary than testers. But quality assurance engineers earn the highest pay in the technology industry, with an average salary of $100,740. Additionally, testers earn the highest salaries in the telecommunication with average pay of $74,239 annually.Average education levels between the two professions vary. Quality assurance engineers tend to reach higher levels of education than testers. In fact, they're 6.9% more likely to graduate with a Master's Degree and 0.0% less likely to earn a Doctoral Degree.Tester vs. Quality analyst
Pumpers are individuals who take responsibility for setting the pumping system controls for product maximization. Their job requires them to set density, concentration, rate, and pressure. They do the operation and maintenance of the auxiliary equipment pumping oil. It is their duty to set the wells so they will function based on the production schedules and switch the oil flow between tanks. They even install the pumping systems.
The required skills of the two careers differ considerably. For example, testers are more likely to have skills like "digital transformation," "metasploit," "linux," and "regression test cases." But a quality analyst is more likely to have skills like "customer service," "patients," "data analysis," and "corrective action."
Quality analysts make a very good living in the finance industry with an average annual salary of $77,710. On the other hand, testers are paid the highest salary in the telecommunication industry, with average annual pay of $74,239.Most quality analysts achieve a similar degree level compared to testers. For example, they're 3.5% more likely to graduate with a Master's Degree, and 0.2% more likely to earn a Doctoral Degree.Tester vs. Quality assurance analyst
Quality Administrators are responsible for managing the quality processes of an organization. Their duties include creating data collection processes, conducting data cleansing, tracks quality milestones, and develop training programs for internal teams. They undertake daily audits, work with the quality coordinator to determine root cause, and assist with feedback and complaints. Quality administrators also write daily reports for purchase orders that are overdue, open service jobs, quotations needing to follow up, unconfirmed hires, and processed sales orders.
Types of tester
Updated January 8, 2025











