ROLE OF A TESTER IN SOFTWARE DEVELOPMENT website design services cochin kerala india, SEO services cochin kerala india, Digital marketing services cochin kerala india

A Software test engineer (software tester) should be capable of designing test suites and should have the ability to understand usability problems. Such a tester is expected to have sound knowledge of software test design and test execution methodologies. It’s very important for a software tester to have great communication skills so that he can interact with the development team efficiently. The roles and responsibilities for a usability software tester are as follows:

Tester is responsible for conducting the testing, analyze the results and then submit the observations to the development team, have to interact with the clients to better understand the product requirements or in case the design requires any kind of modifications. A Software Tester is responsible to create test-product documentation and to participate in testing related walk through, for designing testing scenarios for usability testing.

A software tester has different sets of roles and responsibilities. Testers should review and contribute to test plans, as well as analyzing, reviewing and assessing requirements and design specifications in the test planning and preparation phases of the testing. Tester should have a good understanding about the system which means technical as well as functional product aspects , should have in depth knowledge about software testing, should know what are various phases of software testing and how testing should be carried out in each phase. It is important that the software tester is aware of various testing techniques and which approach is best for a particular system in order to create test cases. The responsibilities of the software tester include:


  • Ensure that all tested related work is carried out as per the defined standards and procedures.
  • Participate in walkthroughs of testing procedures.
  • Prepare all reports related to software testing carried out.
  • Set up the test environments or assist system administration and network management staff in doing so.
  • Testers execute and log the tests, evaluate the results and document problems found.
  • Monitor the testing and the test environment, often using tools for this task, and often gather performance metrics.
  • Creation of test designs, test processes, test cases and test data.
  • Carry out testing as per the defined procedures.
  • Review each other’s work, including test specifications, defect reports and test results.

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Scrum methodology chart

Scrum is one of the most popular frameworks for implementing agile. Scrum is designed for teams of approximately 10 individuals, and generally relies on two-week development cycles, called “sprints”, as well as short daily stand-up meetings. Approaches to scale Scrum to larger organizations include Large-Scale Scrum and Scrum of Scrums.

SCRUM is a process in agile methodology which is a combination of Iterative model and incremental model. In Scrum, tasks are divided into small time frames otherwise known as time boxes. This is to allow for the delivery of specific features in the release so that after each iteration, the working software build can be delivered. The software builds are usually done incrementally (when it comes to adding features). But the final build is equipped with all the features the customer would need.

Scrum Team

Scrum team is a team comprising of 7 with + or – two members. These members are a mixture of competencies and comprise of developers, testers, data base people, support people etc. along with the product owner and a scrum master. All these members work together in close collaboration for a recursive and definite interval, to develop and implement the said features.


Sprint is a predefined interval or the time frame in which the work has to be completed and make it ready for review or ready for production deployment. This time box usually lies between 2 weeks to 1 month. In our day to day life when we say that we follow 1 month Sprint cycle, it simply means that we work for one month on the tasks and make it ready for review by the end of that month.

Product Owner

Product owner is the key stakeholder or the lead user of the application to be developed.Product owner is the person who represents the customer side. This person has the final authority and should always be available for the team. This person should be reachable in case any one has any doubts that need clarification. It is important for the product owner to understand and not to assign any new requirement in the middle of the sprint or when the sprint has already started.

Scrum Master

Scrum Master is the facilitator of the scrum team. This person makes sure that the scrum team is productive and progressive. In case of any impediments, scrum master follows up and resolves them for the team.

Role of a software tester in Scrum

  1. Discuss and understand the story of each user with the stakeholders before making a decision on the criteria for acceptance of same.
  2. Ensure the satisfaction of customers through the early delivery of software with high quality, giving highest priority to continuous delivery.
  3. Ensuring cooperation between developers, testers, and business people all through the project.
  4. Be adaptable to any kind of change.
  5. Test cases need to be developed in accordance with the criteria for accepting the story; this needs to be adjusted whenever the story changes.
  6. QA has to track the testing progress each day and ensure regular feedback.
  7. The level of story has to be estimated and time assigned for each story.
  8. Iteratively deliver software with high quality, from a few weeks to a few months.


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Agile software development model

Agile model is a combination of iterative and incremental process models with focus on process adaptability and customer satisfaction by rapid delivery of working software product. It advocates adaptive planning, evolutionary development, early delivery, and continuous improvement, and it encourages rapid and flexible response to change.
The principle of agile model is that every project needs to be handled differently and the existing methods need to be tailored to best suit the project requirements. In Agile, the tasks are divided to time boxes (small time frames) to deliver specific features for a release.
Iterative approach is taken and working model of software is delivered after each iteration. Each build is incremental in terms of features; the final build holds all the features required by the client.
The fundamental principles of agile development model are the following.
Individuals and interactions − In Agile development, self-organization and motivation are important, as are interactions like co-location and pair programming.
Working software − Demo working software is considered the best means of communication with the customers to understand their requirements, instead of just depending on documentation.
Customer collaboration − As the requirements cannot be gathered completely in the beginning of the project due to various factors, continuous customer interaction is very important to get proper product requirements.
Responding to change − Agile Development is focused on quick responses to change and continuous development.
Advantages of Agile Development Methodology:
Agile methodology has an adaptive approach which is able to respond to the changing requirements of the clients
Direct communication and constant feedback from customer representative leave no space for any guesswork in the system

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Load testing

Load testing is a performance testing technique using which the response of the system is measured under various load conditions. The load testing is performed for normal and peak load conditions. Load testing ensures that your application can handle expected and unexpected user loads.

The load testing not only allows you to provide clients with an excellent application experience, but it also helps you determine how much load an application can handle before it crashes in production, when to add another server, when to reconfigure the network, where code needs to be optimized, etc.

Load testing lets you measure your website’s QOS performance based on actual customer behavior. Nearly all the load testing tools and frame-works follow the classical load testing paradigm: when customers visit your web site, a script recorder records the communication and then creates related interaction scripts. A load generator tries to replay the recorded scripts, which could possibly be modified with different test parameters before replay. In the replay procedure, both the hardware and software statistics will be monitored and collected by the conductor, these statistics include the CPU, memory; disk IO of the physical servers and the response time, throughput of the System Under Test (short as SUT), etc. And at last, all these statistics will be analyzed and a load testing report will be generated.

Some of the popular load testing tools are the following.

WebLOAD- WebLOAD is an enterprise scale load testing product that supports hundreds of technologies, enterprise applications, network protocols and operating systems. WebLOAD is known for flexibility – it supports many integrations and the scripting lets you run complex test scenarios.

LoadView- LoadView is a cloud based load testing platform that offers complete testing flexibility. Test webservers and Web APIs (REST, SOAP, JSON/XML) by generating a sequence of HTTP GET/POST requests. LoadView is also capable of simulating user behavior for web apps, portal logins, shopping carts and web transactions in a real browser.

Load Runner- Load runner is HP tool used to test the applications under normal and peak load conditions. Load runner generates load by creating virtual users that emulate network traffic. It simulates real time usage like a production environment and gives graphical results.

Apache JMeter- It is an Apache project that can be used as a load testing tool for analyzing and measuring the performance of a variety of services, with a focus on web applications. JMeter supports variable parameterization, assertions (response validation), per-thread cookies, configuration variables and a variety of reports.Meter architecture is based on plugins. Most of its “out of the box” features are implemented with plugins. Off-site developers can easily extend JMeter with custom plugins.

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Selenium is the top automation testing tool among all internet application testing tools. It can be executed in all browsers and all Operating systems. Selenium is compatible with a large number of programming languages and testing frameworks.
We can come up with a very powerful browser-centered automation test scripts which are scalable across different environments with Selenium. We are also able to create scripts using Selenium for prompt reproduction of bugs, regression testing, and exploratory testing.

HP Unified Functional Testing (UFT)

It is one among the simplest automation testing software for functional testing. UFT was earlier known as Quick Test Professional (QTP).UFT brings developers and testers come together and provide high-quality automation testing solutions. UFT makes practical testing less complex also cost-friendly. It’s a authorized tool.

HP Unified Functional Testing features include Cross browser and multi-platform compatibility, Optimized distributed testing, multiple testing solutions, image-based object .


Watir, pronounced water is an abbreviation for Web Application Testing in family of Ruby libraries for automating web browsers. Watir  allows you to write tests that are very easy to read and maintain and is simple also flexible.

Watir is a very light-weight open source tool for automating web testing. The best part of Watir  tool is that it supports web application regardless of considering over which technology our app is designed.

Test Complete

TestComplete is an automated testing solution which allows all level of users to quickly create powerful, reusable and time-saving automation tests for the web, mobile, and desktop applications. It is very powerful and robust automated testing tool. It gives you the ability to reuse tests across different devices, platforms and environments, TestComplete can significantly increase delivery speed, while helping save costs.