Software Testing and QA

When the work is done, it needs to be tested. We know how to crash code, in a good way

We handle the entire testing process from requirements and documentation review and testing process realization

It’s difficult to maintain the architectural quality of the software. There are two control actions: quality assurance and testing. The two terms relate to totally different phases of software quality control.

QA concentrates on the organizational side of quality management, observing the sequence of the production process. A company has to be assured the processes are streamlined and suitable as per the quality norms established for software products.

Testing identifies and fixes tech concerns in the software code and estimating the overall product utility, production, safety, and adaptability. It can be done by the test engineers alongside the development process.

The main principles of Software Testing

Early testing

The price of a mistake increases during the SDLC. Consequently, it is essential to begin testing the software as early as possible so that the identified bugs are fixed.

Testing reveals the existence of errors

The purpose of testing is identifying errors and bugs. However, we’re paranoid about bugs, we can never be convinced there are no bugs. We test software to minimize the number of flaws.

Pesticide paradox

Applying the identical test every time won’t allow you to uncover more bugs. It’s crucial to examine and modernize the tests repeatedly to adjust and get more bugs.

Absence-of-errors fallacy

If there are no errors in your software at all, it doesn’t mean it’s successful. Detecting and resolving bugs doesn’t work if the software is worthless and doesn’t meet the customers’ needs & demands.

Defect clustering

Defect Clustering means a little number of modules cover most of the bugs. This is the implementation of the Pareto rule to software testing: about 80% of the errors are detected in 20% of the modules. Much like in your office, that one guy who messes up all the time and everyone else has to cover for him.

Exhaustive testing is impossible

It’s impossible to test all combinations of data, scenarios, and requirements inside an application. The requirement is the optimal number of testing based on the risk assessment of the application.

Testing is context-dependent

Depending on their purpose or industry, different applications should be tested differently. You wouldn’t test a cough drop the same way you test a parachute, right? The method you test a car’s autopilot varies from the way you test a website for a store. All software is not created equal.

Have some software testing work to do?

Quality Assurance

Technology transfer

This procedure involves getting a product design document as well as the trial and error data and its evaluation. The documents are distributed, checked and approved.


Here, the validation master plan for the entire system is prepared, approval of test criteria for validating product and process is set, and resource planning for the execution of a validation plan is done.


This function controls the distribution and archiving of documents. Any change in a document is made by adopting the proper change control procedure. Approval of all types of documents is finalized.

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